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# These are supported funding model platforms
github: [snider]

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name: Go
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up Go
uses: actions/setup-go@v4
with:
go-version-file: 'go.work'
- name: Setup Task
uses: arduino/setup-task@v1
- name: Build
run: go build -v ./...
- name: Vet
run: go vet ./...
- name: Test (race + coverage)
run: go test -race -coverprofile=coverage.out -covermode=atomic ./...
- name: Fuzz (10s)
run: go test -run=Fuzz -fuzz=Fuzz -fuzztime=10s ./pkg/trix
- name: Upload coverage reports to Codecov
uses: codecov/codecov-action@v5
with:
token: ${{ secrets.CODECOV_TOKEN }}
- name: Upload coverage report
uses: actions/upload-artifact@v4
with:
name: coverage-report
path: coverage.out

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name: Publish Docs
on:
push:
branches:
- main
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- uses: actions/setup-python@v3
with:
python-version: '3.x'
- run: |
pip install mkdocs-material
- run: |
cd docs && mkdocs gh-deploy --force --clean --verbose

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node_modules
package-lock.json
.idea
covdata/
merged_covdata/
coverage.txt
coverage.html
coverage.out
test.*
# Build artifacts
/dist/
/site/
# macOS
.DS_Store

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# .goreleaser.yml
before:
hooks:
- go mod tidy
builds:
- env:
- CGO_ENABLED=0
goos:
- linux
- windows
- darwin
main: ./cmd/trix
binary: trix
id: "trix"
archives:
- replacements:
darwin: Darwin
linux: Linux
windows: Windows
386: i386
amd64: x86_64
checksum:
name_template: 'checksums.txt'
snapshot:
name_template: "{{ incpatch .Version }}-next"
changelog:
sort: asc
filters:
exclude:
- '^docs:'
- '^test:'

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<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Test" type="DenoConfigurationType" inputPath="$PROJECT_DIR$" programParameters="test">
<method v="2" />
</configuration>
</component>

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<div class="md-search" data-md-component="search" role="dialog">
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<form class="md-search__form" name="search">
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<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
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</label>
<nav class="md-search__options" aria-label="Search">
<button type="reset" class="md-search__icon md-icon" title="Clear" aria-label="Clear" tabindex="-1">
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</button>
</nav>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" tabindex="0" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Initializing search
</div>
<ol class="md-search-result__list" role="presentation"></ol>
</div>
</div>
</div>
</div>
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</nav>
</header>
<div class="md-container" data-md-component="container">
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<span class="md-ellipsis">
Trix File Format
</span>
</a>
</li>
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
<label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
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Examples
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Examples
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="/trix_and_sigils/" class="md-nav__link">
<span class="md-ellipsis">
Trix & Sigil Chaining
</span>
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<a href="/hashing/" class="md-nav__link">
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Hashing
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Checksums
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RSA
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Standalone Sigils
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CLAUDE.md Normal file
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# CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
## Build and Test Commands
```shell
# Run all tests with coverage
go test -v -coverprofile=coverage.out ./...
# Run a single test
go test -v -run TestName ./pkg/enchantrix
# Run tests with race detection (as CI does)
go test -race -coverprofile=coverage.out -covermode=atomic ./...
# Run fuzz tests (CI runs 10s)
go test -run=Fuzz -fuzz=Fuzz -fuzztime=10s ./pkg/trix
# Build
go build -v ./...
# Vet
go vet ./...
# Format
go fmt ./...
```
If Task is installed, these are available:
- `task test` - Run tests with coverage
- `task build` - Build project
- `task fmt` - Format code
- `task vet` - Run go vet
## Architecture
Enchantrix is an encryption library with a custom `.trix` file format and CLI tool.
### Core Packages
**pkg/enchantrix** - Core transformation framework
- `Sigil` interface: defines `In(data)` and `Out(data)` for reversible/irreversible transforms
- `Transmute()`: applies a chain of sigils to data
- Built-in sigils: `reverse`, `hex`, `base64`, `gzip`, `json`, `json-indent`
- Hash sigils: `md4`, `md5`, `sha1`, `sha224`, `sha256`, `sha384`, `sha512`, `ripemd160`, `sha3-*`, `sha512-*`, `blake2s-256`, `blake2b-*`
- `NewSigil(name)`: factory function to create sigils by string name
- `ChaChaPolySigil`: encryption sigil using XChaCha20-Poly1305 with pre-obfuscation layer
**pkg/trix** - Binary file format (.trix)
- Format: `[4-byte magic][1-byte version][4-byte header len][JSON header][payload]`
- `Encode()`: serializes Trix struct to binary
- `Decode()`: deserializes binary to Trix struct
- `Pack()`/`Unpack()`: apply/reverse sigils on payload
- Supports optional checksums via `ChecksumAlgo` field
**pkg/crypt** - Cryptographic services facade
- `Service`: aggregates hashing, checksums, RSA, and PGP operations
- Hash types: `lthn` (custom), `sha512`, `sha256`, `sha1`, `md5`
- Checksums: `Luhn()`, `Fletcher16/32/64()`
- RSA: key generation, encrypt/decrypt via `pkg/crypt/std/rsa`
- PGP: key generation, encrypt/decrypt, sign/verify, symmetric encrypt via `pkg/crypt/std/pgp`
**cmd/trix** - CLI tool (Cobra-based)
- `trix encode --magic XXXX --output file [sigils...]`
- `trix decode --magic XXXX --output file [sigils...]`
- `trix hash [algorithm]`
- `trix [sigil]` - apply any sigil directly
### Key Design Patterns
1. **Sigil Chain**: Transformations are composable. Encoding chains sigils in order; decoding reverses.
2. **Pre-Obfuscation**: `ChaChaPolySigil` applies XOR or shuffle-mask obfuscation before encryption so raw plaintext never goes directly to CPU encryption routines.
3. **Streaming Support**: `Encode()`/`Decode()` accept optional `io.Writer`/`io.Reader` for streaming.
## Testing Conventions
- Tests use `testify/assert` and `testify/require`
- Test files follow `*_test.go` pattern adjacent to implementation
- `examples_test.go` files contain example functions for godoc
- Fuzz tests exist in `pkg/trix` (`go test -fuzz`)
## Go Version
Minimum Go 1.25. Uses `go.work` for workspace management.

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DISCLAIMER.md Normal file
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To be clear, even morally, I'm not responsible for anyone using my code like an asshat; don't put your evil on me.

287
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The Licence and the rights granted hereunder will terminate automatically upon
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Without prejudice of Article 9 above, the Licence represents the complete
agreement between the Parties as to the Work.
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law, this will not affect the validity or enforceability of the Licence as a
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valid and enforceable.
The European Commission may publish other linguistic versions or new versions of
this Licence or updated versions of the Appendix, so far this is required and
reasonable, without reducing the scope of the rights granted by the Licence. New
versions of the Licence will be published with a unique version number.
All linguistic versions of this Licence, approved by the European Commission,
have identical value. Parties can take advantage of the linguistic version of
their choice.
14. Jurisdiction
Without prejudice to specific agreement between parties,
- any litigation resulting from the interpretation of this License, arising
between the European Union institutions, bodies, offices or agencies, as a
Licensor, and any Licensee, will be subject to the jurisdiction of the Court
of Justice of the European Union, as laid down in article 272 of the Treaty on
the Functioning of the European Union,
- any litigation arising between other parties and resulting from the
interpretation of this License, will be subject to the exclusive jurisdiction
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15. Applicable Law
Without prejudice to specific agreement between parties,
- this Licence shall be governed by the law of the European Union Member State
where the Licensor has his seat, resides or has his registered office,
- this licence shall be governed by Belgian law if the Licensor has no seat,
residence or registered office inside a European Union Member State.
Appendix
Compatible Licences according to Article 5 EUPL are:
- GNU General Public License (GPL) v. 2, v. 3
- GNU Affero General Public License (AGPL) v. 3
- Open Software License (OSL) v. 2.1, v. 3.0
- Eclipse Public License (EPL) v. 1.0
- CeCILL v. 2.0, v. 2.1
- Mozilla Public Licence (MPL) v. 2
- GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
- Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for
works other than software
- European Union Public Licence (EUPL) v. 1.1, v. 1.2
- Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong
Reciprocity (LiLiQ-R+).
The European Commission may update this Appendix to later versions of the above
licences without producing a new version of the EUPL, as long as they provide
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Code from exclusive appropriation.
All other changes or additions to this Appendix require the production of a new
EUPL version.

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# Enchantrix
[![Go Report Card](https://goreportcard.com/badge/github.com/Snider/Enchantrix)](https://goreportcard.com/report/github.com/Snider/Enchantrix)
[![GoDoc](https://godoc.org/github.com/Snider/Enchantrix?status.svg)](https://godoc.org/github.com/Snider/Enchantrix)
[![Build Status](https://github.com/Snider/Enchantrix/actions/workflows/go.yml/badge.svg)](https://github.com/Snider/Enchantrix/actions/workflows/go.yml)
[![codecov](https://codecov.io/github/Snider/Enchantrix/branch/main/graph/badge.svg?token=2E1QWEDFUW)](https://codecov.io/github/Snider/Enchantrix)
[![Release](https://img.shields.io/github/release/Snider/Enchantrix.svg)](https://github.com/Snider/Enchantrix/releases/latest)
[![License](https://img.shields.io/github/license/Snider/Enchantrix)](https://github.com/Snider/Enchantrix/blob/main/LICENCE)
[![Go Version](https://img.shields.io/badge/Go-1.25+-00ADD8?logo=go)](https://go.dev/)
A Go-based encryption and data transformation library designed for secure handling of sensitive data. Enchantrix provides composable transformation pipelines, a flexible binary container format, and defense-in-depth encryption with pre-obfuscation.
## Features
- **Sigil Transformation Framework** - Composable, reversible data transformations (encoding, compression, hashing)
- **Pre-Obfuscation Layer** - Side-channel attack mitigation for AEAD ciphers
- **.trix Container Format** - Protocol-agnostic binary format with JSON metadata
- **Multiple Hash Algorithms** - SHA-2, SHA-3, BLAKE2, RIPEMD-160, and the custom LTHN algorithm
- **Full PGP Support** - Key generation, encryption, decryption, signing, and verification
- **RSA Operations** - Key generation, encryption, and decryption
- **CLI Tool** - `trix` command for encoding, decoding, and transformations
## Quick Start
### Installation
```shell
go get github.com/Snider/Enchantrix
```
### Install CLI Tool
```shell
go install github.com/Snider/Enchantrix/cmd/trix@latest
```
### Basic Usage
#### Sigil Transformations
```go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/enchantrix"
)
func main() {
// Create sigils
hexSigil, _ := enchantrix.NewSigil("hex")
base64Sigil, _ := enchantrix.NewSigil("base64")
// Apply transformations
data := []byte("Hello, Enchantrix!")
encoded, _ := enchantrix.Transmute(data, []enchantrix.Sigil{hexSigil, base64Sigil})
fmt.Printf("Encoded: %s\n", encoded)
}
```
#### Hashing
```go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
service := crypt.NewService()
hash := service.Hash(crypt.SHA256, "Hello, World!")
fmt.Printf("SHA-256: %s\n", hash)
// LTHN quasi-salted hash
lthnHash := service.Hash(crypt.LTHN, "Hello, World!")
fmt.Printf("LTHN: %s\n", lthnHash)
}
```
#### Encrypted .trix Container
```go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/trix"
)
func main() {
container := &trix.Trix{
Header: map[string]interface{}{
"content_type": "text/plain",
"created_at": "2025-01-13T12:00:00Z",
},
Payload: []byte("Secret message"),
InSigils: []string{"gzip", "base64"},
}
// Pack with sigils
container.Pack()
// Encode to binary
encoded, _ := trix.Encode(container, "MYAP", nil)
fmt.Printf("Container size: %d bytes\n", len(encoded))
}
```
### CLI Examples
```shell
# Encode with sigils
echo "Hello, Trix!" | trix encode --output message.trix --magic TRIX base64
# Decode
trix decode --input message.trix --output message.txt --magic TRIX base64
# Hash data
echo "Hello, World!" | trix hash sha256
# Apply sigil directly
echo "Hello" | trix hex
# Output: 48656c6c6f
```
## Specifications
Enchantrix includes formal RFC-style specifications for its core protocols:
| RFC | Title | Description |
|-----|-------|-------------|
| [RFC-0001](rfcs/RFC-0001-Pre-Obfuscation-Layer.md) | Pre-Obfuscation Layer | Side-channel mitigation for AEAD ciphers |
| [RFC-0002](rfcs/RFC-0002-Trix-Container-Format.md) | TRIX Container Format | Binary container with JSON metadata |
| [RFC-0003](rfcs/RFC-0003-Sigil-Transformation-Framework.md) | Sigil Framework | Composable data transformation interface |
| [RFC-0004](rfcs/RFC-0004-LTHN-Hash-Algorithm.md) | LTHN Hash | Quasi-salted deterministic hashing |
## Available Sigils
| Category | Sigils |
|----------|--------|
| **Encoding** | `hex`, `base64` |
| **Compression** | `gzip` |
| **Formatting** | `json`, `json-indent` |
| **Transform** | `reverse` |
| **Hashing** | `md4`, `md5`, `sha1`, `sha224`, `sha256`, `sha384`, `sha512`, `sha3-224`, `sha3-256`, `sha3-384`, `sha3-512`, `sha512-224`, `sha512-256`, `ripemd160`, `blake2s-256`, `blake2b-256`, `blake2b-384`, `blake2b-512` |
## Project Structure
```
Enchantrix/
├── cmd/trix/ # CLI tool
├── pkg/
│ ├── enchantrix/ # Sigil framework and crypto sigils
│ ├── trix/ # .trix container format
│ └── crypt/ # Cryptographic services (hash, RSA, PGP)
├── rfcs/ # Protocol specifications
├── examples/ # Usage examples
└── docs/ # MkDocs documentation
```
## Documentation
Full documentation is available via MkDocs:
```shell
# Install dependencies
pip install mkdocs mkdocs-material
# Serve locally
mkdocs serve -a 127.0.0.1:8000
# Build static site
mkdocs build --strict
```
## Development
### Requirements
- Go 1.25 or later
### Running Tests
```shell
# Run all tests
go test ./...
# Run with race detection
go test -race ./...
# Run with coverage
go test -coverprofile=coverage.out ./...
```
### Test-Driven Development
This project follows strict TDD methodology. All new functionality must include comprehensive tests.
## Releases
Built with GoReleaser:
```shell
# Snapshot release (local, no publish)
goreleaser release --snapshot --clean
# Production release (requires Git tag)
goreleaser release --clean
```
## License
See [LICENCE](LICENCE) for details.

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version: '3'
tasks:
test:
desc: "Run all tests and generate a coverage report"
cmds:
- go vet ./...
- go test -v -coverprofile=coverage.out ./...
build:
desc: "Build the project"
cmds:
- go build -v ./...
fmt:
desc: "Format the code"
cmds:
- go fmt ./...
vet:
desc: "Run go vet"
cmds:
- go vet ./...
docs:serve:
desc: "Serve the MkDocs site locally"
cmds:
- mkdocs serve -a 127.0.0.1:8000
docs:build:
desc: "Build the MkDocs site"
cmds:
- mkdocs build --strict
release:snapshot:
desc: "Create a snapshot release with GoReleaser (no publishing)"
cmds:
- goreleaser release --snapshot --clean
release:
desc: "Create a release with GoReleaser"
cmds:
- goreleaser release --clean

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/*!
* Lunr languages, `Danish` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
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* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r="2"==e.version[0];e.ja=function(){this.pipeline.reset(),this.pipeline.add(e.ja.trimmer,e.ja.stopWordFilter,e.ja.stemmer),r?this.tokenizer=e.ja.tokenizer:(e.tokenizer&&(e.tokenizer=e.ja.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.ja.tokenizer))};var t=new e.TinySegmenter;e.ja.tokenizer=function(i){var n,o,s,p,a,u,m,l,c,f;if(!arguments.length||null==i||void 0==i)return[];if(Array.isArray(i))return i.map(function(t){return r?new e.Token(t.toLowerCase()):t.toLowerCase()});for(o=i.toString().toLowerCase().replace(/^\s+/,""),n=o.length-1;n>=0;n--)if(/\S/.test(o.charAt(n))){o=o.substring(0,n+1);break}for(a=[],s=o.length,c=0,l=0;c<=s;c++)if(u=o.charAt(c),m=c-l,u.match(/\s/)||c==s){if(m>0)for(p=t.segment(o.slice(l,c)).filter(function(e){return!!e}),f=l,n=0;n<p.length;n++)r?a.push(new e.Token(p[n],{position:[f,p[n].length],index:a.length})):a.push(p[n]),f+=p[n].length;l=c+1}return a},e.ja.stemmer=function(){return function(e){return e}}(),e.Pipeline.registerFunction(e.ja.stemmer,"stemmer-ja"),e.ja.wordCharacters="一二三四五六七八九十百千万億兆一-龠々〆ヵヶぁ-んァ-ヴーア-ン゙a-zA-Z--0-9-",e.ja.trimmer=e.trimmerSupport.generateTrimmer(e.ja.wordCharacters),e.Pipeline.registerFunction(e.ja.trimmer,"trimmer-ja"),e.ja.stopWordFilter=e.generateStopWordFilter("これ それ あれ この その あの ここ そこ あそこ こちら どこ だれ なに なん 何 私 貴方 貴方方 我々 私達 あの人 あのかた 彼女 彼 です あります おります います は が の に を で え から まで より も どの と し それで しかし".split(" ")),e.Pipeline.registerFunction(e.ja.stopWordFilter,"stopWordFilter-ja"),e.jp=e.ja,e.Pipeline.registerFunction(e.jp.stemmer,"stemmer-jp"),e.Pipeline.registerFunction(e.jp.trimmer,"trimmer-jp"),e.Pipeline.registerFunction(e.jp.stopWordFilter,"stopWordFilter-jp")}});

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module.exports=require("./lunr.ja");

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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.kn=function(){this.pipeline.reset(),this.pipeline.add(e.kn.trimmer,e.kn.stopWordFilter,e.kn.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.kn.stemmer))},e.kn.wordCharacters="ಀ-಄ಅ-ಔಕ-ಹಾ-ೌ಼-ಽೕ-ೖೝ-ೞೠ-ೡೢ-ೣ೤೥೦-೯ೱ-ೳ",e.kn.trimmer=e.trimmerSupport.generateTrimmer(e.kn.wordCharacters),e.Pipeline.registerFunction(e.kn.trimmer,"trimmer-kn"),e.kn.stopWordFilter=e.generateStopWordFilter("ಮತ್ತು ಈ ಒಂದು ರಲ್ಲಿ ಹಾಗೂ ಎಂದು ಅಥವಾ ಇದು ರ ಅವರು ಎಂಬ ಮೇಲೆ ಅವರ ತನ್ನ ಆದರೆ ತಮ್ಮ ನಂತರ ಮೂಲಕ ಹೆಚ್ಚು ನ ಆ ಕೆಲವು ಅನೇಕ ಎರಡು ಹಾಗು ಪ್ರಮುಖ ಇದನ್ನು ಇದರ ಸುಮಾರು ಅದರ ಅದು ಮೊದಲ ಬಗ್ಗೆ ನಲ್ಲಿ ರಂದು ಇತರ ಅತ್ಯಂತ ಹೆಚ್ಚಿನ ಸಹ ಸಾಮಾನ್ಯವಾಗಿ ನೇ ಹಲವಾರು ಹೊಸ ದಿ ಕಡಿಮೆ ಯಾವುದೇ ಹೊಂದಿದೆ ದೊಡ್ಡ ಅನ್ನು ಇವರು ಪ್ರಕಾರ ಇದೆ ಮಾತ್ರ ಕೂಡ ಇಲ್ಲಿ ಎಲ್ಲಾ ವಿವಿಧ ಅದನ್ನು ಹಲವು ರಿಂದ ಕೇವಲ ದ ದಕ್ಷಿಣ ಗೆ ಅವನ ಅತಿ ನೆಯ ಬಹಳ ಕೆಲಸ ಎಲ್ಲ ಪ್ರತಿ ಇತ್ಯಾದಿ ಇವು ಬೇರೆ ಹೀಗೆ ನಡುವೆ ಇದಕ್ಕೆ ಎಸ್ ಇವರ ಮೊದಲು ಶ್ರೀ ಮಾಡುವ ಇದರಲ್ಲಿ ರೀತಿಯ ಮಾಡಿದ ಕಾಲ ಅಲ್ಲಿ ಮಾಡಲು ಅದೇ ಈಗ ಅವು ಗಳು ಎ ಎಂಬುದು ಅವನು ಅಂದರೆ ಅವರಿಗೆ ಇರುವ ವಿಶೇಷ ಮುಂದೆ ಅವುಗಳ ಮುಂತಾದ ಮೂಲ ಬಿ ಮೀ ಒಂದೇ ಇನ್ನೂ ಹೆಚ್ಚಾಗಿ ಮಾಡಿ ಅವರನ್ನು ಇದೇ ಯ ರೀತಿಯಲ್ಲಿ ಜೊತೆ ಅದರಲ್ಲಿ ಮಾಡಿದರು ನಡೆದ ಆಗ ಮತ್ತೆ ಪೂರ್ವ ಆತ ಬಂದ ಯಾವ ಒಟ್ಟು ಇತರೆ ಹಿಂದೆ ಪ್ರಮಾಣದ ಗಳನ್ನು ಕುರಿತು ಯು ಆದ್ದರಿಂದ ಅಲ್ಲದೆ ನಗರದ ಮೇಲಿನ ಏಕೆಂದರೆ ರಷ್ಟು ಎಂಬುದನ್ನು ಬಾರಿ ಎಂದರೆ ಹಿಂದಿನ ಆದರೂ ಆದ ಸಂಬಂಧಿಸಿದ ಮತ್ತೊಂದು ಸಿ ಆತನ ".split(" ")),e.kn.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var r=e.wordcut;r.init(),e.kn.tokenizer=function(t){if(!arguments.length||null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(r){return isLunr2?new e.Token(r.toLowerCase()):r.toLowerCase()});var n=t.toString().toLowerCase().replace(/^\s+/,"");return r.cut(n).split("|")},e.Pipeline.registerFunction(e.kn.stemmer,"stemmer-kn"),e.Pipeline.registerFunction(e.kn.stopWordFilter,"stopWordFilter-kn")}});

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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(e){e.multiLanguage=function(){for(var t=Array.prototype.slice.call(arguments),i=t.join("-"),r="",n=[],s=[],p=0;p<t.length;++p)"en"==t[p]?(r+="\\w",n.unshift(e.stopWordFilter),n.push(e.stemmer),s.push(e.stemmer)):(r+=e[t[p]].wordCharacters,e[t[p]].stopWordFilter&&n.unshift(e[t[p]].stopWordFilter),e[t[p]].stemmer&&(n.push(e[t[p]].stemmer),s.push(e[t[p]].stemmer)));var o=e.trimmerSupport.generateTrimmer(r);return e.Pipeline.registerFunction(o,"lunr-multi-trimmer-"+i),n.unshift(o),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,n),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,s))}}}});

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/*!
* Lunr languages, `Norwegian` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.no=function(){this.pipeline.reset(),this.pipeline.add(e.no.trimmer,e.no.stopWordFilter,e.no.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.no.stemmer))},e.no.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤff-stA--",e.no.trimmer=e.trimmerSupport.generateTrimmer(e.no.wordCharacters),e.Pipeline.registerFunction(e.no.trimmer,"trimmer-no"),e.no.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,i=new function(){function e(){var e,r=w.cursor+3;if(a=w.limit,0<=r||r<=w.limit){for(s=r;;){if(e=w.cursor,w.in_grouping(d,97,248)){w.cursor=e;break}if(e>=w.limit)return;w.cursor=e+1}for(;!w.out_grouping(d,97,248);){if(w.cursor>=w.limit)return;w.cursor++}a=w.cursor,a<s&&(a=s)}}function i(){var e,r,n;if(w.cursor>=a&&(r=w.limit_backward,w.limit_backward=a,w.ket=w.cursor,e=w.find_among_b(m,29),w.limit_backward=r,e))switch(w.bra=w.cursor,e){case 1:w.slice_del();break;case 2:n=w.limit-w.cursor,w.in_grouping_b(c,98,122)?w.slice_del():(w.cursor=w.limit-n,w.eq_s_b(1,"k")&&w.out_grouping_b(d,97,248)&&w.slice_del());break;case 3:w.slice_from("er")}}function t(){var e,r=w.limit-w.cursor;w.cursor>=a&&(e=w.limit_backward,w.limit_backward=a,w.ket=w.cursor,w.find_among_b(u,2)?(w.bra=w.cursor,w.limit_backward=e,w.cursor=w.limit-r,w.cursor>w.limit_backward&&(w.cursor--,w.bra=w.cursor,w.slice_del())):w.limit_backward=e)}function o(){var e,r;w.cursor>=a&&(r=w.limit_backward,w.limit_backward=a,w.ket=w.cursor,e=w.find_among_b(l,11),e?(w.bra=w.cursor,w.limit_backward=r,1==e&&w.slice_del()):w.limit_backward=r)}var s,a,m=[new r("a",-1,1),new r("e",-1,1),new r("ede",1,1),new r("ande",1,1),new r("ende",1,1),new r("ane",1,1),new r("ene",1,1),new r("hetene",6,1),new r("erte",1,3),new r("en",-1,1),new r("heten",9,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",12,1),new r("s",-1,2),new r("as",14,1),new r("es",14,1),new r("edes",16,1),new r("endes",16,1),new r("enes",16,1),new r("hetenes",19,1),new r("ens",14,1),new r("hetens",21,1),new r("ers",14,1),new r("ets",14,1),new r("et",-1,1),new r("het",25,1),new r("ert",-1,3),new r("ast",-1,1)],u=[new r("dt",-1,-1),new r("vt",-1,-1)],l=[new r("leg",-1,1),new r("eleg",0,1),new r("ig",-1,1),new r("eig",2,1),new r("lig",2,1),new r("elig",4,1),new r("els",-1,1),new r("lov",-1,1),new r("elov",7,1),new r("slov",7,1),new r("hetslov",9,1)],d=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],c=[119,125,149,1],w=new n;this.setCurrent=function(e){w.setCurrent(e)},this.getCurrent=function(){return w.getCurrent()},this.stem=function(){var r=w.cursor;return e(),w.limit_backward=r,w.cursor=w.limit,i(),w.cursor=w.limit,t(),w.cursor=w.limit,o(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return i.setCurrent(e),i.stem(),i.getCurrent()}):(i.setCurrent(e),i.stem(),i.getCurrent())}}(),e.Pipeline.registerFunction(e.no.stemmer,"stemmer-no"),e.no.stopWordFilter=e.generateStopWordFilter("alle at av bare begge ble blei bli blir blitt både båe da de deg dei deim deira deires dem den denne der dere deres det dette di din disse ditt du dykk dykkar då eg ein eit eitt eller elles en enn er et ett etter for fordi fra før ha hadde han hans har hennar henne hennes her hjå ho hoe honom hoss hossen hun hva hvem hver hvilke hvilken hvis hvor hvordan hvorfor i ikke ikkje ikkje ingen ingi inkje inn inni ja jeg kan kom korleis korso kun kunne kva kvar kvarhelst kven kvi kvifor man mange me med medan meg meget mellom men mi min mine mitt mot mykje ned no noe noen noka noko nokon nokor nokre nå når og også om opp oss over på samme seg selv si si sia sidan siden sin sine sitt sjøl skal skulle slik so som som somme somt så sånn til um upp ut uten var vart varte ved vere verte vi vil ville vore vors vort vår være være vært å".split(" ")),e.Pipeline.registerFunction(e.no.stopWordFilter,"stopWordFilter-no")}});

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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.sa=function(){this.pipeline.reset(),this.pipeline.add(e.sa.trimmer,e.sa.stopWordFilter,e.sa.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.sa.stemmer))},e.sa.wordCharacters="ऀ-ःऄ-एऐ-टठ-यर-िी-ॏॐ-य़ॠ-९॰-ॿ꣠-꣱ꣲ-ꣷ꣸-ꣻ꣼-ꣽꣾ-ꣿᆰ0-ᆰ9",e.sa.trimmer=e.trimmerSupport.generateTrimmer(e.sa.wordCharacters),e.Pipeline.registerFunction(e.sa.trimmer,"trimmer-sa"),e.sa.stopWordFilter=e.generateStopWordFilter('तथा अयम्‌ एकम्‌ इत्यस्मिन्‌ तथा तत्‌ वा अयम्‌ इत्यस्य ते आहूत उपरि तेषाम्‌ किन्तु तेषाम्‌ तदा इत्यनेन अधिकः इत्यस्य तत्‌ केचन बहवः द्वि तथा महत्वपूर्णः अयम्‌ अस्य विषये अयं अस्ति तत्‌ प्रथमः विषये इत्युपरि इत्युपरि इतर अधिकतमः अधिकः अपि सामान्यतया ठ इतरेतर नूतनम्‌ द न्यूनम्‌ कश्चित्‌ वा विशालः द सः अस्ति तदनुसारम् तत्र अस्ति केवलम्‌ अपि अत्र सर्वे विविधाः तत्‌ बहवः यतः इदानीम्‌ द दक्षिण इत्यस्मै तस्य उपरि नथ अतीव कार्यम्‌ सर्वे एकैकम्‌ इत्यादि। एते सन्ति उत इत्थम्‌ मध्ये एतदर्थं . स कस्य प्रथमः श्री. करोति अस्मिन् प्रकारः निर्मिता कालः तत्र कर्तुं समान अधुना ते सन्ति स एकः अस्ति सः अर्थात् तेषां कृते . स्थितम् विशेषः अग्रिम तेषाम्‌ समान स्रोतः ख म समान इदानीमपि अधिकतया करोतु ते समान इत्यस्य वीथी सह यस्मिन् कृतवान्‌ धृतः तदा पुनः पूर्वं सः आगतः किम्‌ कुल इतर पुरा मात्रा स विषये उ अतएव अपि नगरस्य उपरि यतः प्रतिशतं कतरः कालः साधनानि भूत तथापि जात सम्बन्धि अन्यत्‌ ग अतः अस्माकं स्वकीयाः अस्माकं इदानीं अन्तः इत्यादयः भवन्तः इत्यादयः एते एताः तस्य अस्य इदम् एते तेषां तेषां तेषां तान् तेषां तेषां तेषां समानः सः एकः च तादृशाः बहवः अन्ये च वदन्ति यत् कियत् कस्मै कस्मै यस्मै यस्मै यस्मै यस्मै न अतिनीचः किन्तु प्रथमं सम्पूर्णतया ततः चिरकालानन्तरं पुस्तकं सम्पूर्णतया अन्तः किन्तु अत्र वा इह इव श्रद्धाय अवशिष्यते परन्तु अन्ये वर्गाः सन्ति ते सन्ति शक्नुवन्ति सर्वे मिलित्वा सर्वे एकत्र"'.split(" ")),e.sa.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var r=e.wordcut;r.init(),e.sa.tokenizer=function(t){if(!arguments.length||null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(r){return isLunr2?new e.Token(r.toLowerCase()):r.toLowerCase()});var i=t.toString().toLowerCase().replace(/^\s+/,"");return r.cut(i).split("|")},e.Pipeline.registerFunction(e.sa.stemmer,"stemmer-sa"),e.Pipeline.registerFunction(e.sa.stopWordFilter,"stopWordFilter-sa")}});

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!function(r,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(r.lunr)}(this,function(){return function(r){r.stemmerSupport={Among:function(r,t,i,s){if(this.toCharArray=function(r){for(var t=r.length,i=new Array(t),s=0;s<t;s++)i[s]=r.charCodeAt(s);return i},!r&&""!=r||!t&&0!=t||!i)throw"Bad Among initialisation: s:"+r+", substring_i: "+t+", result: "+i;this.s_size=r.length,this.s=this.toCharArray(r),this.substring_i=t,this.result=i,this.method=s},SnowballProgram:function(){var r;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(t){r=t,this.cursor=0,this.limit=t.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var t=r;return r=null,t},in_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},in_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},out_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e>s||e<i)return this.cursor++,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},out_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e>s||e<i)return this.cursor--,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},eq_s:function(t,i){if(this.limit-this.cursor<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor+s)!=i.charCodeAt(s))return!1;return this.cursor+=t,!0},eq_s_b:function(t,i){if(this.cursor-this.limit_backward<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor-t+s)!=i.charCodeAt(s))return!1;return this.cursor-=t,!0},find_among:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=l;m<_.s_size;m++){if(n+l==u){f=-1;break}if(f=r.charCodeAt(n+l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){var _=t[s];if(o>=_.s_size){if(this.cursor=n+_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n+_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},find_among_b:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit_backward,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=_.s_size-1-l;m>=0;m--){if(n-l==u){f=-1;break}if(f=r.charCodeAt(n-1-l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){var _=t[s];if(o>=_.s_size){if(this.cursor=n-_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n-_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},replace_s:function(t,i,s){var e=s.length-(i-t),n=r.substring(0,t),u=r.substring(i);return r=n+s+u,this.limit+=e,this.cursor>=i?this.cursor+=e:this.cursor>t&&(this.cursor=t),e},slice_check:function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>r.length)throw"faulty slice operation"},slice_from:function(r){this.slice_check(),this.replace_s(this.bra,this.ket,r)},slice_del:function(){this.slice_from("")},insert:function(r,t,i){var s=this.replace_s(r,t,i);r<=this.bra&&(this.bra+=s),r<=this.ket&&(this.ket+=s)},slice_to:function(){return this.slice_check(),r.substring(this.bra,this.ket)},eq_v_b:function(r){return this.eq_s_b(r.length,r)}}}},r.trimmerSupport={generateTrimmer:function(r){var t=new RegExp("^[^"+r+"]+"),i=new RegExp("[^"+r+"]+$");return function(r){return"function"==typeof r.update?r.update(function(r){return r.replace(t,"").replace(i,"")}):r.replace(t,"").replace(i,"")}}}}});

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/*!
* Lunr languages, `Swedish` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.sv=function(){this.pipeline.reset(),this.pipeline.add(e.sv.trimmer,e.sv.stopWordFilter,e.sv.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.sv.stemmer))},e.sv.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤff-stA--",e.sv.trimmer=e.trimmerSupport.generateTrimmer(e.sv.wordCharacters),e.Pipeline.registerFunction(e.sv.trimmer,"trimmer-sv"),e.sv.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,t=new function(){function e(){var e,r=w.cursor+3;if(o=w.limit,0<=r||r<=w.limit){for(a=r;;){if(e=w.cursor,w.in_grouping(l,97,246)){w.cursor=e;break}if(w.cursor=e,w.cursor>=w.limit)return;w.cursor++}for(;!w.out_grouping(l,97,246);){if(w.cursor>=w.limit)return;w.cursor++}o=w.cursor,o<a&&(o=a)}}function t(){var e,r=w.limit_backward;if(w.cursor>=o&&(w.limit_backward=o,w.cursor=w.limit,w.ket=w.cursor,e=w.find_among_b(u,37),w.limit_backward=r,e))switch(w.bra=w.cursor,e){case 1:w.slice_del();break;case 2:w.in_grouping_b(d,98,121)&&w.slice_del()}}function i(){var e=w.limit_backward;w.cursor>=o&&(w.limit_backward=o,w.cursor=w.limit,w.find_among_b(c,7)&&(w.cursor=w.limit,w.ket=w.cursor,w.cursor>w.limit_backward&&(w.bra=--w.cursor,w.slice_del())),w.limit_backward=e)}function s(){var e,r;if(w.cursor>=o){if(r=w.limit_backward,w.limit_backward=o,w.cursor=w.limit,w.ket=w.cursor,e=w.find_among_b(m,5))switch(w.bra=w.cursor,e){case 1:w.slice_del();break;case 2:w.slice_from("lös");break;case 3:w.slice_from("full")}w.limit_backward=r}}var a,o,u=[new r("a",-1,1),new r("arna",0,1),new r("erna",0,1),new r("heterna",2,1),new r("orna",0,1),new r("ad",-1,1),new r("e",-1,1),new r("ade",6,1),new r("ande",6,1),new r("arne",6,1),new r("are",6,1),new r("aste",6,1),new r("en",-1,1),new r("anden",12,1),new r("aren",12,1),new r("heten",12,1),new r("ern",-1,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",18,1),new r("or",-1,1),new r("s",-1,2),new r("as",21,1),new r("arnas",22,1),new r("ernas",22,1),new r("ornas",22,1),new r("es",21,1),new r("ades",26,1),new r("andes",26,1),new r("ens",21,1),new r("arens",29,1),new r("hetens",29,1),new r("erns",21,1),new r("at",-1,1),new r("andet",-1,1),new r("het",-1,1),new r("ast",-1,1)],c=[new r("dd",-1,-1),new r("gd",-1,-1),new r("nn",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1),new r("tt",-1,-1)],m=[new r("ig",-1,1),new r("lig",0,1),new r("els",-1,1),new r("fullt",-1,3),new r("löst",-1,2)],l=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,24,0,32],d=[119,127,149],w=new n;this.setCurrent=function(e){w.setCurrent(e)},this.getCurrent=function(){return w.getCurrent()},this.stem=function(){var r=w.cursor;return e(),w.limit_backward=r,w.cursor=w.limit,t(),w.cursor=w.limit,i(),w.cursor=w.limit,s(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return t.setCurrent(e),t.stem(),t.getCurrent()}):(t.setCurrent(e),t.stem(),t.getCurrent())}}(),e.Pipeline.registerFunction(e.sv.stemmer,"stemmer-sv"),e.sv.stopWordFilter=e.generateStopWordFilter("alla allt att av blev bli blir blivit de dem den denna deras dess dessa det detta dig din dina ditt du där då efter ej eller en er era ert ett från för ha hade han hans har henne hennes hon honom hur här i icke ingen inom inte jag ju kan kunde man med mellan men mig min mina mitt mot mycket ni nu när någon något några och om oss på samma sedan sig sin sina sitta själv skulle som så sådan sådana sådant till under upp ut utan vad var vara varför varit varje vars vart vem vi vid vilka vilkas vilken vilket vår våra vårt än är åt över".split(" ")),e.Pipeline.registerFunction(e.sv.stopWordFilter,"stopWordFilter-sv")}});

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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.ta=function(){this.pipeline.reset(),this.pipeline.add(e.ta.trimmer,e.ta.stopWordFilter,e.ta.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.ta.stemmer))},e.ta.wordCharacters="஀-உஊ-ஏஐ-ஙச-ட஠-னப-யர-ஹ஺-ிீ-௉ொ-௏ௐ-௙௚-௟௠-௩௪-௯௰-௹௺-௿a-zA-Z--0-9-",e.ta.trimmer=e.trimmerSupport.generateTrimmer(e.ta.wordCharacters),e.Pipeline.registerFunction(e.ta.trimmer,"trimmer-ta"),e.ta.stopWordFilter=e.generateStopWordFilter("அங்கு அங்கே அது அதை அந்த அவர் அவர்கள் அவள் அவன் அவை ஆக ஆகவே ஆகையால் ஆதலால் ஆதலினால் ஆனாலும் ஆனால் இங்கு இங்கே இது இதை இந்த இப்படி இவர் இவர்கள் இவள் இவன் இவை இவ்வளவு உனக்கு உனது உன் உன்னால் எங்கு எங்கே எது எதை எந்த எப்படி எவர் எவர்கள் எவள் எவன் எவை எவ்வளவு எனக்கு எனது எனவே என் என்ன என்னால் ஏது ஏன் தனது தன்னால் தானே தான் நாங்கள் நாம் நான் நீ நீங்கள்".split(" ")),e.ta.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var t=e.wordcut;t.init(),e.ta.tokenizer=function(r){if(!arguments.length||null==r||void 0==r)return[];if(Array.isArray(r))return r.map(function(t){return isLunr2?new e.Token(t.toLowerCase()):t.toLowerCase()});var i=r.toString().toLowerCase().replace(/^\s+/,"");return t.cut(i).split("|")},e.Pipeline.registerFunction(e.ta.stemmer,"stemmer-ta"),e.Pipeline.registerFunction(e.ta.stopWordFilter,"stopWordFilter-ta")}});

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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.te=function(){this.pipeline.reset(),this.pipeline.add(e.te.trimmer,e.te.stopWordFilter,e.te.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.te.stemmer))},e.te.wordCharacters="ఀ-ఄఅ-ఔక-హా-ౌౕ-ౖౘ-ౚౠ-ౡౢ-ౣ౦-౯౸-౿఼ఽ్ౝ౷౤౥",e.te.trimmer=e.trimmerSupport.generateTrimmer(e.te.wordCharacters),e.Pipeline.registerFunction(e.te.trimmer,"trimmer-te"),e.te.stopWordFilter=e.generateStopWordFilter("అందరూ అందుబాటులో అడగండి అడగడం అడ్డంగా అనుగుణంగా అనుమతించు అనుమతిస్తుంది అయితే ఇప్పటికే ఉన్నారు ఎక్కడైనా ఎప్పుడు ఎవరైనా ఎవరో ఏ ఏదైనా ఏమైనప్పటికి ఒక ఒకరు కనిపిస్తాయి కాదు కూడా గా గురించి చుట్టూ చేయగలిగింది తగిన తర్వాత దాదాపు దూరంగా నిజంగా పై ప్రకారం ప్రక్కన మధ్య మరియు మరొక మళ్ళీ మాత్రమే మెచ్చుకో వద్ద వెంట వేరుగా వ్యతిరేకంగా సంబంధం".split(" ")),e.te.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var t=e.wordcut;t.init(),e.te.tokenizer=function(r){if(!arguments.length||null==r||void 0==r)return[];if(Array.isArray(r))return r.map(function(t){return isLunr2?new e.Token(t.toLowerCase()):t.toLowerCase()});var i=r.toString().toLowerCase().replace(/^\s+/,"");return t.cut(i).split("|")},e.Pipeline.registerFunction(e.te.stemmer,"stemmer-te"),e.Pipeline.registerFunction(e.te.stopWordFilter,"stopWordFilter-te")}});

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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r="2"==e.version[0];e.th=function(){this.pipeline.reset(),this.pipeline.add(e.th.trimmer),r?this.tokenizer=e.th.tokenizer:(e.tokenizer&&(e.tokenizer=e.th.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.th.tokenizer))},e.th.wordCharacters="[฀-๿]",e.th.trimmer=e.trimmerSupport.generateTrimmer(e.th.wordCharacters),e.Pipeline.registerFunction(e.th.trimmer,"trimmer-th");var t=e.wordcut;t.init(),e.th.tokenizer=function(i){if(!arguments.length||null==i||void 0==i)return[];if(Array.isArray(i))return i.map(function(t){return r?new e.Token(t):t});var n=i.toString().replace(/^\s+/,"");return t.cut(n).split("|")}}});

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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.vi=function(){this.pipeline.reset(),this.pipeline.add(e.vi.stopWordFilter,e.vi.trimmer)},e.vi.wordCharacters="[A-Za-ẓ̀͐́͑̉̃̓ÂâÊêÔôĂ-ăĐ-đƠ-ơƯ-ư]",e.vi.trimmer=e.trimmerSupport.generateTrimmer(e.vi.wordCharacters),e.Pipeline.registerFunction(e.vi.trimmer,"trimmer-vi"),e.vi.stopWordFilter=e.generateStopWordFilter("là cái nhưng mà".split(" "))}});

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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r(require("@node-rs/jieba")):r()(e.lunr)}(this,function(e){return function(r,t){if(void 0===r)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===r.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var i="2"==r.version[0];r.zh=function(){this.pipeline.reset(),this.pipeline.add(r.zh.trimmer,r.zh.stopWordFilter,r.zh.stemmer),i?this.tokenizer=r.zh.tokenizer:(r.tokenizer&&(r.tokenizer=r.zh.tokenizer),this.tokenizerFn&&(this.tokenizerFn=r.zh.tokenizer))},r.zh.tokenizer=function(n){if(!arguments.length||null==n||void 0==n)return[];if(Array.isArray(n))return n.map(function(e){return i?new r.Token(e.toLowerCase()):e.toLowerCase()});t&&e.load(t);var o=n.toString().trim().toLowerCase(),s=[];e.cut(o,!0).forEach(function(e){s=s.concat(e.split(" "))}),s=s.filter(function(e){return!!e});var u=0;return s.map(function(e,t){if(i){var n=o.indexOf(e,u),s={};return s.position=[n,e.length],s.index=t,u=n,new r.Token(e,s)}return e})},r.zh.wordCharacters="\\w一-龥",r.zh.trimmer=r.trimmerSupport.generateTrimmer(r.zh.wordCharacters),r.Pipeline.registerFunction(r.zh.trimmer,"trimmer-zh"),r.zh.stemmer=function(){return function(e){return e}}(),r.Pipeline.registerFunction(r.zh.stemmer,"stemmer-zh"),r.zh.stopWordFilter=r.generateStopWordFilter("的 一 不 在 人 有 是 为 為 以 于 於 上 他 而 后 後 之 来 來 及 了 因 下 可 到 由 这 這 与 與 也 此 但 并 並 个 個 其 已 无 無 小 我 们 們 起 最 再 今 去 好 只 又 或 很 亦 某 把 那 你 乃 它 吧 被 比 别 趁 当 當 从 從 得 打 凡 儿 兒 尔 爾 该 該 各 给 給 跟 和 何 还 還 即 几 幾 既 看 据 據 距 靠 啦 另 么 麽 每 嘛 拿 哪 您 凭 憑 且 却 卻 让 讓 仍 啥 如 若 使 谁 誰 虽 雖 随 隨 同 所 她 哇 嗡 往 些 向 沿 哟 喲 用 咱 则 則 怎 曾 至 致 着 著 诸 諸 自".split(" ")),r.Pipeline.registerFunction(r.zh.stopWordFilter,"stopWordFilter-zh")}});

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/**
* export the module via AMD, CommonJS or as a browser global
* Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
*/
;(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(factory)
} else if (typeof exports === 'object') {
/**
* Node. Does not work with strict CommonJS, but
* only CommonJS-like environments that support module.exports,
* like Node.
*/
module.exports = factory()
} else {
// Browser globals (root is window)
factory()(root.lunr);
}
}(this, function () {
/**
* Just return a value to define the module export.
* This example returns an object, but the module
* can return a function as the exported value.
*/
return function(lunr) {
// TinySegmenter 0.1 -- Super compact Japanese tokenizer in Javascript
// (c) 2008 Taku Kudo <taku@chasen.org>
// TinySegmenter is freely distributable under the terms of a new BSD licence.
// For details, see http://chasen.org/~taku/software/TinySegmenter/LICENCE.txt
function TinySegmenter() {
var patterns = {
"[一二三四五六七八九十百千万億兆]":"M",
"[一-龠々〆ヵヶ]":"H",
"[ぁ-ん]":"I",
"[ァ-ヴーア-ン゙ー]":"K",
"[a-zA-Z--]":"A",
"[0-9-]":"N"
}
this.chartype_ = [];
for (var i in patterns) {
var regexp = new RegExp(i);
this.chartype_.push([regexp, patterns[i]]);
}
this.BIAS__ = -332
this.BC1__ = {"HH":6,"II":2461,"KH":406,"OH":-1378};
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seg.push("E1");
seg.push("E2");
seg.push("E3");
ctype.push("O");
ctype.push("O");
ctype.push("O");
var word = seg[3];
var p1 = "U";
var p2 = "U";
var p3 = "U";
for (var i = 4; i < seg.length - 3; ++i) {
var score = this.BIAS__;
var w1 = seg[i-3];
var w2 = seg[i-2];
var w3 = seg[i-1];
var w4 = seg[i];
var w5 = seg[i+1];
var w6 = seg[i+2];
var c1 = ctype[i-3];
var c2 = ctype[i-2];
var c3 = ctype[i-1];
var c4 = ctype[i];
var c5 = ctype[i+1];
var c6 = ctype[i+2];
score += this.ts_(this.UP1__[p1]);
score += this.ts_(this.UP2__[p2]);
score += this.ts_(this.UP3__[p3]);
score += this.ts_(this.BP1__[p1 + p2]);
score += this.ts_(this.BP2__[p2 + p3]);
score += this.ts_(this.UW1__[w1]);
score += this.ts_(this.UW2__[w2]);
score += this.ts_(this.UW3__[w3]);
score += this.ts_(this.UW4__[w4]);
score += this.ts_(this.UW5__[w5]);
score += this.ts_(this.UW6__[w6]);
score += this.ts_(this.BW1__[w2 + w3]);
score += this.ts_(this.BW2__[w3 + w4]);
score += this.ts_(this.BW3__[w4 + w5]);
score += this.ts_(this.TW1__[w1 + w2 + w3]);
score += this.ts_(this.TW2__[w2 + w3 + w4]);
score += this.ts_(this.TW3__[w3 + w4 + w5]);
score += this.ts_(this.TW4__[w4 + w5 + w6]);
score += this.ts_(this.UC1__[c1]);
score += this.ts_(this.UC2__[c2]);
score += this.ts_(this.UC3__[c3]);
score += this.ts_(this.UC4__[c4]);
score += this.ts_(this.UC5__[c5]);
score += this.ts_(this.UC6__[c6]);
score += this.ts_(this.BC1__[c2 + c3]);
score += this.ts_(this.BC2__[c3 + c4]);
score += this.ts_(this.BC3__[c4 + c5]);
score += this.ts_(this.TC1__[c1 + c2 + c3]);
score += this.ts_(this.TC2__[c2 + c3 + c4]);
score += this.ts_(this.TC3__[c3 + c4 + c5]);
score += this.ts_(this.TC4__[c4 + c5 + c6]);
// score += this.ts_(this.TC5__[c4 + c5 + c6]);
score += this.ts_(this.UQ1__[p1 + c1]);
score += this.ts_(this.UQ2__[p2 + c2]);
score += this.ts_(this.UQ3__[p3 + c3]);
score += this.ts_(this.BQ1__[p2 + c2 + c3]);
score += this.ts_(this.BQ2__[p2 + c3 + c4]);
score += this.ts_(this.BQ3__[p3 + c2 + c3]);
score += this.ts_(this.BQ4__[p3 + c3 + c4]);
score += this.ts_(this.TQ1__[p2 + c1 + c2 + c3]);
score += this.ts_(this.TQ2__[p2 + c2 + c3 + c4]);
score += this.ts_(this.TQ3__[p3 + c1 + c2 + c3]);
score += this.ts_(this.TQ4__[p3 + c2 + c3 + c4]);
var p = "O";
if (score > 0) {
result.push(word);
word = "";
p = "B";
}
p1 = p2;
p2 = p3;
p3 = p;
word += seg[i];
}
result.push(word);
return result;
}
lunr.TinySegmenter = TinySegmenter;
};
}));

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View file

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Checksums
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Checksums
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<h1 id="checksums">Checksums</h1>
<p>This example demonstrates how to use the <code>crypt</code> service to calculate checksums using various algorithms.</p>
<pre><code class="language-go">package main
import (
&quot;fmt&quot;
&quot;github.com/Snider/Enchantrix/pkg/crypt&quot;
)
func demoChecksums() {
fmt.Println(&quot;--- Checksum Demo ---&quot;)
cryptService := crypt.NewService()
// Luhn
luhnPayloadGood := &quot;49927398716&quot;
luhnPayloadBad := &quot;49927398717&quot;
fmt.Printf(&quot;Luhn Checksum:\n&quot;)
fmt.Printf(&quot; - Payload '%s' is valid: %v\n&quot;, luhnPayloadGood, cryptService.Luhn(luhnPayloadGood))
fmt.Printf(&quot; - Payload '%s' is valid: %v\n&quot;, luhnPayloadBad, cryptService.Luhn(luhnPayloadBad))
// Fletcher
fletcherPayload := &quot;abcde&quot;
fmt.Printf(&quot;\nFletcher Checksums (Payload: \&quot;%s\&quot;):\n&quot;, fletcherPayload)
fmt.Printf(&quot; - Fletcher16: %d\n&quot;, cryptService.Fletcher16(fletcherPayload))
fmt.Printf(&quot; - Fletcher32: %d\n&quot;, cryptService.Fletcher32(fletcherPayload))
fmt.Printf(&quot; - Fletcher64: %d\n&quot;, cryptService.Fletcher64(fletcherPayload))
fmt.Println()
}
</code></pre>
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227
cmd/trix/main.go Normal file
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package main
import (
"fmt"
"io/ioutil"
"os"
"github.com/Snider/Enchantrix/pkg/crypt"
"github.com/Snider/Enchantrix/pkg/enchantrix"
"github.com/Snider/Enchantrix/pkg/trix"
"github.com/spf13/cobra"
)
var (
rootCmd = &cobra.Command{
Use: "trix",
Short: "A tool for encoding and decoding .trix files",
Long: `trix is a command-line tool for working with the .trix file format, which is used for storing encrypted data.`,
}
encodeCmd = &cobra.Command{
Use: "encode",
Short: "Encode a file to the .trix format",
RunE: runEncode,
}
decodeCmd = &cobra.Command{
Use: "decode",
Short: "Decode a .trix file",
RunE: runDecode,
}
hashCmd = &cobra.Command{
Use: "hash [algorithm]",
Short: "Hash a file using a specified algorithm",
Args: cobra.ExactArgs(1),
RunE: runHash,
}
)
var availableSigils = []string{
"reverse", "hex", "base64", "gzip", "json", "json-indent", "md4", "md5",
"sha1", "sha224", "sha256", "sha384", "sha512", "ripemd160", "sha3-224",
"sha3-256", "sha3-384", "sha3-512", "sha512-224", "sha512-256",
"blake2s-256", "blake2b-256", "blake2b-384", "blake2b-512",
}
var exit = os.Exit
func init() {
// Add flags to encode command
encodeCmd.Flags().StringP("input", "i", "", "Input file (or stdin)")
encodeCmd.Flags().StringP("output", "o", "", "Output file")
encodeCmd.Flags().StringP("magic", "m", "", "Magic number (4 bytes)")
// Add flags to decode command
decodeCmd.Flags().StringP("input", "i", "", "Input file (or stdin)")
decodeCmd.Flags().StringP("output", "o", "", "Output file")
decodeCmd.Flags().StringP("magic", "m", "", "Magic number (4 bytes)")
// Add flags to hash command
hashCmd.Flags().StringP("input", "i", "", "Input file (or stdin)")
rootCmd.AddCommand(encodeCmd, decodeCmd, hashCmd)
// Add sigil commands
for _, sigilName := range availableSigils {
sigilCmd := &cobra.Command{
Use: sigilName,
Short: "Apply the " + sigilName + " sigil",
RunE: createSigilRunE(sigilName),
}
sigilCmd.Flags().StringP("input", "i", "-", "Input file or string (or stdin)")
rootCmd.AddCommand(sigilCmd)
}
}
func createSigilRunE(sigilName string) func(cmd *cobra.Command, args []string) error {
return func(cmd *cobra.Command, args []string) error {
input, _ := cmd.Flags().GetString("input")
return handleSigil(cmd, sigilName, input)
}
}
func main() {
if err := rootCmd.Execute(); err != nil {
exit(1)
}
}
func runEncode(cmd *cobra.Command, args []string) error {
input, _ := cmd.Flags().GetString("input")
output, _ := cmd.Flags().GetString("output")
magic, _ := cmd.Flags().GetString("magic")
return handleEncode(cmd, input, output, magic, args)
}
func runDecode(cmd *cobra.Command, args []string) error {
input, _ := cmd.Flags().GetString("input")
output, _ := cmd.Flags().GetString("output")
magic, _ := cmd.Flags().GetString("magic")
return handleDecode(cmd, input, output, magic, args)
}
func runHash(cmd *cobra.Command, args []string) error {
input, _ := cmd.Flags().GetString("input")
return handleHash(cmd, input, args[0])
}
func handleSigil(cmd *cobra.Command, sigilName, input string) error {
s, err := enchantrix.NewSigil(sigilName)
if err != nil {
return err
}
var data []byte
if input == "-" {
data, err = ioutil.ReadAll(cmd.InOrStdin())
} else if _, err := os.Stat(input); err == nil {
data, err = ioutil.ReadFile(input)
} else {
data = []byte(input)
}
if err != nil {
return err
}
out, err := s.In(data)
if err != nil {
return err
}
cmd.OutOrStdout().Write(out)
return nil
}
func handleHash(cmd *cobra.Command, inputFile, algo string) error {
if algo == "" {
return fmt.Errorf("hash algorithm is required")
}
service := crypt.NewService()
if !service.IsHashAlgo(algo) {
return fmt.Errorf("invalid hash algorithm: %s", algo)
}
var data []byte
var err error
if inputFile == "" || inputFile == "-" {
data, err = ioutil.ReadAll(cmd.InOrStdin())
} else {
data, err = ioutil.ReadFile(inputFile)
}
if err != nil {
return err
}
hash := service.Hash(crypt.HashType(algo), string(data))
cmd.OutOrStdout().Write([]byte(hash))
return nil
}
func handleEncode(cmd *cobra.Command, inputFile, outputFile, magicNumber string, sigils []string) error {
if len(magicNumber) != 4 {
return fmt.Errorf("magic number must be 4 bytes long")
}
var data []byte
var err error
if inputFile == "" || inputFile == "-" {
data, err = ioutil.ReadAll(cmd.InOrStdin())
} else {
data, err = ioutil.ReadFile(inputFile)
}
if err != nil {
return err
}
t := &trix.Trix{
Header: make(map[string]interface{}),
Payload: data,
InSigils: sigils,
}
if err := t.Pack(); err != nil {
return err
}
encoded, err := trix.Encode(t, magicNumber, nil)
if err != nil {
return err
}
if outputFile == "" || outputFile == "-" {
_, err = cmd.OutOrStdout().Write(encoded)
return err
}
return ioutil.WriteFile(outputFile, encoded, 0644)
}
func handleDecode(cmd *cobra.Command, inputFile, outputFile, magicNumber string, sigils []string) error {
if len(magicNumber) != 4 {
return fmt.Errorf("magic number must be 4 bytes long")
}
var data []byte
var err error
if inputFile == "" || inputFile == "-" {
data, err = ioutil.ReadAll(cmd.InOrStdin())
} else {
data, err = ioutil.ReadFile(inputFile)
}
if err != nil {
return err
}
t, err := trix.Decode(data, magicNumber, nil)
if err != nil {
return err
}
t.OutSigils = sigils
if err := t.Unpack(); err != nil {
return err
}
if outputFile == "" || outputFile == "-" {
_, err = cmd.OutOrStdout().Write(t.Payload)
return err
}
return ioutil.WriteFile(outputFile, t.Payload, 0644)
}

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package main
import (
"bytes"
"errors"
"io"
"os"
"strings"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
)
func TestMain_Good(t *testing.T) {
// Redirect stdout to a buffer
old := os.Stdout
r, w, _ := os.Pipe()
os.Stdout = w
// Run the main function
main()
// Restore stdout
w.Close()
os.Stdout = old
// Read the output from the buffer
var buf bytes.Buffer
io.Copy(&buf, r)
// Check that the output contains the help message
assert.Contains(t, buf.String(), "Usage:")
}
func TestMain_Bad(t *testing.T) {
oldExit := exit
defer func() { exit = oldExit }()
var exitCode int
exit = func(code int) {
exitCode = code
}
rootCmd.RunE = func(cmd *cobra.Command, args []string) error {
return errors.New("test error")
}
// The rootCmd needs to be reset so that the test can be run again
defer func() { rootCmd = &cobra.Command{
Use: "trix",
Short: "A tool for encoding and decoding .trix files",
Long: `trix is a command-line tool for working with the .trix file format, which is used for storing encrypted data.`,
}
}()
main()
assert.Equal(t, 1, exitCode)
}
func TestHandleSigil_Good(t *testing.T) {
// Create a dummy command
cmd := &cobra.Command{}
buf := new(bytes.Buffer)
cmd.SetOut(buf)
// Run the handleSigil function
err := handleSigil(cmd, "base64", "hello")
assert.NoError(t, err)
// Check that the output is the base64 encoded string
assert.Equal(t, "aGVsbG8=", strings.TrimSpace(buf.String()))
}
func TestHandleSigil_Bad(t *testing.T) {
cmd := &cobra.Command{}
err := handleSigil(cmd, "bad-sigil", "hello")
assert.Error(t, err)
}
func TestRunEncodeAndDecode_Good(t *testing.T) {
// Encode
encodeCmd := &cobra.Command{}
encodeBuf := new(bytes.Buffer)
encodeCmd.SetOut(encodeBuf)
encodeCmd.SetIn(strings.NewReader("hello"))
encodeCmd.Flags().StringP("input", "i", "-", "Input file or string (or stdin)")
encodeCmd.Flags().StringP("output", "o", "-", "Output file")
encodeCmd.Flags().StringP("magic", "m", "TEST", "Magic number (4 bytes)")
err := runEncode(encodeCmd, []string{"base64"})
assert.NoError(t, err)
assert.NotEmpty(t, encodeBuf.String())
// Decode
decodeCmd := &cobra.Command{}
decodeBuf := new(bytes.Buffer)
decodeCmd.SetOut(decodeBuf)
decodeCmd.SetIn(encodeBuf) // Use the output of the encode as the input for the decode
decodeCmd.Flags().StringP("input", "i", "-", "Input file or string (or stdin)")
decodeCmd.Flags().StringP("output", "o", "-", "Output file")
decodeCmd.Flags().StringP("magic", "m", "TEST", "Magic number (4 bytes)")
err = runDecode(decodeCmd, []string{"base64"})
assert.NoError(t, err)
assert.Equal(t, "hello", strings.TrimSpace(decodeBuf.String()))
}
func TestRunEncode_Bad(t *testing.T) {
cmd := &cobra.Command{}
cmd.Flags().StringP("magic", "m", "bad", "Magic number (4 bytes)")
err := runEncode(cmd, []string{})
assert.Error(t, err)
}
func TestRunDecode_Bad(t *testing.T) {
cmd := &cobra.Command{}
cmd.Flags().StringP("magic", "m", "bad", "Magic number (4 bytes)")
err := runDecode(cmd, []string{})
assert.Error(t, err)
}
func TestRunHash_Good(t *testing.T) {
cmd := &cobra.Command{}
buf := new(bytes.Buffer)
cmd.SetOut(buf)
cmd.SetIn(strings.NewReader("hello"))
cmd.Flags().StringP("input", "i", "-", "Input file or string (or stdin)")
// Run the runHash function
err := runHash(cmd, []string{"sha256"})
assert.NoError(t, err)
// Check that the output is not empty
assert.NotEmpty(t, buf.String())
}
func TestRunHash_Bad(t *testing.T) {
cmd := &cobra.Command{}
err := runHash(cmd, []string{"bad-hash"})
assert.Error(t, err)
}
func TestCreateSigilRunE_Good(t *testing.T) {
cmd := &cobra.Command{}
buf := new(bytes.Buffer)
cmd.SetOut(buf)
cmd.SetIn(strings.NewReader("hello"))
cmd.Flags().StringP("input", "i", "-", "Input file or string (or stdin)")
// Run the createSigilRunE function
runE := createSigilRunE("base64")
err := runE(cmd, []string{})
assert.NoError(t, err)
}

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# Checksums
This example demonstrates how to use the `crypt` service to calculate checksums using various algorithms.
```go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func demoChecksums() {
fmt.Println("--- Checksum Demo ---")
cryptService := crypt.NewService()
// Luhn
luhnPayloadGood := "49927398716"
luhnPayloadBad := "49927398717"
fmt.Printf("Luhn Checksum:\n")
fmt.Printf(" - Payload '%s' is valid: %v\n", luhnPayloadGood, cryptService.Luhn(luhnPayloadGood))
fmt.Printf(" - Payload '%s' is valid: %v\n", luhnPayloadBad, cryptService.Luhn(luhnPayloadBad))
// Fletcher
fletcherPayload := "abcde"
fmt.Printf("\nFletcher Checksums (Payload: \"%s\"):\n", fletcherPayload)
fmt.Printf(" - Fletcher16: %d\n", cryptService.Fletcher16(fletcherPayload))
fmt.Printf(" - Fletcher32: %d\n", cryptService.Fletcher32(fletcherPayload))
fmt.Printf(" - Fletcher64: %d\n", cryptService.Fletcher64(fletcherPayload))
fmt.Println()
}
```

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# CLI Reference
The `trix` command-line tool allows you to work with `.trix` files, apply sigils, and perform hashing operations directly from the terminal.
## Usage
```bash
trix [command]
```
## Global Flags
* `--help`: Show help for command.
## Commands
### `encode`
Encodes data into the `.trix` file format.
```bash
trix encode [flags] [sigils...]
```
**Flags:**
* `-i, --input string`: Input file path. If not specified, reads from stdin.
* `-o, --output string`: Output file path. If not specified, writes to stdout.
* `-m, --magic string`: Custom 4-byte magic number (e.g., `TRIX`).
**Example:**
```bash
# Encode a file, apply gzip and base64 sigils, and save to output.trix
trix encode -i data.json -o output.trix -m TRIX gzip base64
```
### `decode`
Decodes a `.trix` file.
```bash
trix decode [flags] [sigils...]
```
**Flags:**
* `-i, --input string`: Input file path. If not specified, reads from stdin.
* `-o, --output string`: Output file path. If not specified, writes to stdout.
* `-m, --magic string`: Custom 4-byte magic number.
**Example:**
```bash
# Decode a file, reversing the base64 and gzip sigils implicitly if stored in header,
# or explicit sigils can be passed if needed for unpacking steps not in header (though unlikely for standard use).
# Typically:
trix decode -i output.trix -o restored.json -m TRIX
```
### `hash`
Hashes input data using a specified algorithm.
```bash
trix hash [algorithm] [flags]
```
**Arguments:**
* `algorithm`: The hash algorithm to use (e.g., `sha256`, `md5`, `lthn`).
**Flags:**
* `-i, --input string`: Input file path. If not specified, reads from stdin.
**Example:**
```bash
echo "hello" | trix hash sha256
```
### Sigil Commands
You can apply individual sigils directly to data.
```bash
trix [sigil_name] [flags]
```
**Available Sigils:**
* `reverse`
* `hex`
* `base64`
* `gzip`
* `json`, `json-indent`
* `md4`, `md5`, `sha1`, `sha224`, `sha256`, `sha384`, `sha512`
* `ripemd160`
* `sha3-224`, `sha3-256`, `sha3-384`, `sha3-512`
* `sha512-224`, `sha512-256`
* `blake2s-256`, `blake2b-256`, `blake2b-384`, `blake2b-512`
**Flags:**
* `-i, --input string`: Input file or string. Use `-` for stdin.
**Example:**
```bash
# Base64 encode a string
trix base64 -i "hello world"
# Gzip a file
trix gzip -i myfile.txt > myfile.txt.gz
```

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# Hashing
This example demonstrates how to use the `crypt` service to hash a payload using various algorithms.
```go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func demoHashing() {
fmt.Println("--- Hashing Demo ---")
cryptService := crypt.NewService()
payload := "Enchantrix"
hashTypes := []crypt.HashType{
crypt.LTHN,
crypt.MD5,
crypt.SHA1,
crypt.SHA256,
crypt.SHA512,
}
fmt.Printf("Payload to hash: \"%s\"\n", payload)
for _, hashType := range hashTypes {
hash := cryptService.Hash(hashType, payload)
fmt.Printf(" - %-6s: %s\n", hashType, hash)
}
fmt.Println()
}
```

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# Welcome to Enchantrix
Enchantrix is a Go-based crypto library and miner application. This documentation provides information on how to use the various features of the Enchantrix library.
## Trix File Format
The `.trix` file format is a generic and flexible binary container for storing an arbitrary data payload alongside structured metadata. For more information, see the [Trix File Format](./trix_format.md) page.
## CLI Reference
Enchantrix provides a command-line tool for encoding, decoding, and hashing data. See the [CLI Reference](./cli.md) for detailed usage instructions.
## Examples
The following pages provide examples of how to use the Enchantrix library:
* [Trix & Sigil Chaining](./trix_and_sigils.md)
* [Hashing](./hashing.md)
* [Checksums](./checksums.md)
* [RSA](./rsa.md)
* [PGP](./pgp.md)
* [Standalone Sigils](./standalone_sigils.md)

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# PGP
This example demonstrates how to use the `crypt` service to perform PGP operations, including key generation, encryption, decryption, signing, and verification.
```go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func demoPGP() {
fmt.Println("--- PGP Demo ---")
cryptService := crypt.NewService()
// 1. Generate PGP Key Pair
fmt.Println("Generating PGP key pair...")
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("Alice", "alice@example.com", "Demo Key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
fmt.Println("PGP Key pair generated successfully.")
// 2. Asymmetric Encryption (Public Key Encryption)
message := []byte("This is a secret message for PGP.")
fmt.Printf("\nOriginal message: %s\n", message)
encrypted, err := cryptService.EncryptPGP(publicKey, message)
if err != nil {
log.Fatalf("Failed to encrypt with PGP: %v", err)
}
fmt.Println("Message encrypted.")
// 3. Decrypt with Private Key
decrypted, err := cryptService.DecryptPGP(privateKey, encrypted)
if err != nil {
log.Fatalf("Failed to decrypt with PGP: %v", err)
}
fmt.Printf("Decrypted message: %s\n", decrypted)
if string(message) == string(decrypted) {
fmt.Println("Success! PGP decrypted message matches original.")
} else {
fmt.Println("Failure! PGP decrypted message does not match.")
}
// 4. Signing and Verification
fmt.Println("\n--- PGP Signing Demo ---")
signature, err := cryptService.SignPGP(privateKey, message)
if err != nil {
log.Fatalf("Failed to sign message: %v", err)
}
fmt.Println("Message signed.")
err = cryptService.VerifyPGP(publicKey, message, signature)
if err != nil {
log.Fatalf("Failed to verify signature: %v", err)
}
fmt.Println("Success! Signature verified.")
// 5. Symmetric Encryption (Passphrase)
fmt.Println("\n--- PGP Symmetric Encryption Demo ---")
passphrase := []byte("super-secure-passphrase")
symEncrypted, err := cryptService.SymmetricallyEncryptPGP(passphrase, message)
if err != nil {
log.Fatalf("Failed to symmetrically encrypt: %v", err)
}
fmt.Println("Message symmetrically encrypted.")
// Note: Decryption of symmetrically encrypted PGP messages requires a compatible reader
// or usage of the underlying library's features, often handled automatically
// if the decryptor prompts for a passphrase.
}
```

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# RSA
This example demonstrates how to use the `crypt` service to generate an RSA key pair, encrypt a message, and then decrypt it.
```go
package main
import (
"encoding/base64"
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func demoRSA() {
fmt.Println("--- RSA Demo ---")
cryptService := crypt.NewService()
// 1. Generate RSA key pair
fmt.Println("Generating 2048-bit RSA key pair...")
publicKey, privateKey, err := cryptService.GenerateRSAKeyPair(2048)
if err != nil {
log.Fatalf("Failed to generate RSA key pair: %v", err)
}
fmt.Println("Key pair generated successfully.")
// 2. Encrypt a message
message := []byte("This is a secret message for RSA.")
fmt.Printf("\nOriginal message: %s\n", message)
ciphertext, err := cryptService.EncryptRSA(publicKey, message, nil)
if err != nil {
log.Fatalf("Failed to encrypt with RSA: %v", err)
}
fmt.Printf("Encrypted ciphertext (base64): %s\n", base64.StdEncoding.EncodeToString(ciphertext))
// 3. Decrypt the message
decrypted, err := cryptService.DecryptRSA(privateKey, ciphertext, nil)
if err != nil {
log.Fatalf("Failed to decrypt with RSA: %v", err)
}
fmt.Printf("Decrypted message: %s\n", decrypted)
// 4. Verify
if string(message) == string(decrypted) {
fmt.Println("\nSuccess! RSA decrypted message matches the original.")
} else {
fmt.Println("\nFailure! RSA decrypted message does not match the original.")
}
fmt.Println()
}
```

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# Standalone Sigils
This example demonstrates how to use sigils independently to transform data.
## Available Sigils
The `enchantrix` package provides a wide variety of sigils for data transformation and hashing.
| Category | Sigils |
| :--- | :--- |
| **Encoding** | `hex`, `base64`, `reverse` |
| **Compression** | `gzip` |
| **Formatting** | `json`, `json-indent` |
| **Standard Hashes** | `md4`, `md5`, `sha1`, `sha224`, `sha256`, `sha384`, `sha512` |
| **Extended Hashes** | `ripemd160`, `sha3-224`, `sha3-256`, `sha3-384`, `sha3-512`, `sha512-224`, `sha512-256` |
| **Blake Hashes** | `blake2s-256`, `blake2b-256`, `blake2b-384`, `blake2b-512` |
## Usage Example
```go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/enchantrix"
)
func demoSigils() {
fmt.Println("--- Standalone Sigil Demo ---")
data := []byte(`{"message": "hello world"}`)
fmt.Printf("Original data: %s\n", data)
// A chain of sigils to apply
sigils := []string{"gzip", "base64"}
fmt.Printf("Applying sigil chain: %v\n", sigils)
var transformedData = data
for _, name := range sigils {
s, err := enchantrix.NewSigil(name)
if err != nil {
log.Fatalf("Failed to create sigil %s: %v", name, err)
}
transformedData, err = s.In(transformedData)
if err != nil {
log.Fatalf("Failed to apply sigil %s 'In': %v", name, err)
}
fmt.Printf(" -> After '%s': %s\n", name, transformedData)
}
fmt.Println("\nReversing sigil chain...")
// Reverse the transformations
for i := len(sigils) - 1; i >= 0; i-- {
name := sigils[i]
s, err := enchantrix.NewSigil(name)
if err != nil {
log.Fatalf("Failed to create sigil %s: %v", name, err)
}
transformedData, err = s.Out(transformedData)
if err != nil {
log.Fatalf("Failed to apply sigil %s 'Out': %v", name, err)
}
fmt.Printf(" -> After '%s' Out: %s\n", name, transformedData)
}
if string(data) == string(transformedData) {
fmt.Println("Success! Data returned to original state.")
} else {
fmt.Println("Failure! Data did not return to original state.")
}
fmt.Println()
}
```

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# Trix & Sigil Chaining
This example demonstrates how to use the Trix container with a chain of sigils to obfuscate and then encrypt a payload.
```go
package main
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"log"
"time"
"github.com/Snider/Enchantrix/pkg/crypt"
"github.com/Snider/Enchantrix/pkg/crypt/std/chachapoly"
"github.com/Snider/Enchantrix/pkg/trix"
)
func demoTrix() {
fmt.Println("--- Trix & Sigil Chaining Demo ---")
// 1. Original plaintext (JSON data) and encryption key
type Message struct {
Author string `json:"author"`
Time int64 `json:"time"`
Body string `json:"body"`
}
originalMessage := Message{Author: "Jules", Time: time.Now().Unix(), Body: "This is a super secret message!"}
plaintext, err := json.Marshal(originalMessage)
if err != nil {
log.Fatalf("Failed to marshal JSON: %v", err)
}
key := make([]byte, 32) // In a real application, use a secure key
for i := range key {
key[i] = 1
}
fmt.Printf("Original Payload (JSON):\n%s\n\n", plaintext)
// 2. Create a Trix container with the plaintext and attach a chain of sigils
sigilChain := []string{"json-indent", "gzip", "base64", "reverse"}
trixContainer := &trix.Trix{
Header: map[string]interface{}{},
Payload: plaintext,
InSigils: sigilChain,
}
// 3. Pack the Trix container to apply the sigil transformations
fmt.Println("Packing payload with sigils:", sigilChain)
if err := trixContainer.Pack(); err != nil {
log.Fatalf("Failed to pack trix container: %v", err)
}
fmt.Printf("Packed (obfuscated) payload is now non-human-readable bytes.\n\n")
// 4. Encrypt the packed payload
ciphertext, err := chachapoly.Encrypt(trixContainer.Payload, key)
if err != nil {
log.Fatalf("Failed to encrypt: %v", err)
}
trixContainer.Payload = ciphertext // Update the payload with the ciphertext
// 5. Add encryption metadata and checksum to the header
nonce := ciphertext[:24]
trixContainer.Header = map[string]interface{}{
"content_type": "application/json",
"encryption_algorithm": "chacha20poly1305",
"nonce": base64.StdEncoding.EncodeToString(nonce),
"created_at": time.Now().UTC().Format(time.RFC3339),
}
trixContainer.ChecksumAlgo = crypt.SHA512
fmt.Printf("Checksum will be calculated with %s and added to the header.\n", trixContainer.ChecksumAlgo)
// 6. Encode the .trix container into its binary format
magicNumber := "MyT1"
encodedTrix, err := trix.Encode(trixContainer, magicNumber, nil)
if err != nil {
log.Fatalf("Failed to encode .trix container: %v", err)
}
fmt.Println("Successfully created .trix container.")
// --- DECODING ---
fmt.Println("--- DECODING ---")
// 7. Decode the .trix container
decodedTrix, err := trix.Decode(encodedTrix, magicNumber, nil)
if err != nil {
log.Fatalf("Failed to decode .trix container: %v", err)
}
fmt.Println("Successfully decoded .trix container. Checksum verified.")
fmt.Printf("Decoded Header: %+v\n", decodedTrix.Header)
// 8. Decrypt the payload
decryptedPayload, err := chachapoly.Decrypt(decodedTrix.Payload, key)
if err != nil {
log.Fatalf("Failed to decrypt: %v", err)
}
decodedTrix.Payload = decryptedPayload
fmt.Println("Payload decrypted.")
// 9. Unpack the Trix container to reverse the sigil transformations
decodedTrix.InSigils = trixContainer.InSigils // Re-attach sigils for unpacking
fmt.Println("Unpacking payload by reversing sigils:", decodedTrix.InSigils)
if err := decodedTrix.Unpack(); err != nil {
log.Fatalf("Failed to unpack trix container: %v", err)
}
fmt.Printf("Unpacked (original) payload:\n%s\n", decodedTrix.Payload)
// 10. Verify the result
// To properly verify, we need to compact the indented JSON before comparing
var compactedPayload bytes.Buffer
if err := json.Compact(&compactedPayload, decodedTrix.Payload); err != nil {
log.Fatalf("Failed to compact final payload for verification: %v", err)
}
if bytes.Equal(plaintext, compactedPayload.Bytes()) {
fmt.Println("\nSuccess! The message was decrypted and unpacked correctly.")
} else {
fmt.Println("\nFailure! The final payload does not match the original.")
}
fmt.Println()
}
```

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# .trix File Format v2.0
The `.trix` file format is a generic and flexible binary container for storing an arbitrary data payload alongside structured metadata.
## Structure
The file is structured as follows:
| Field | Size (bytes) | Description |
|----------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Magic Number** | 4 | A constant value, `TRIX`, to identify the file as a `.trix` file. |
| **Version** | 1 | The version of the `.trix` file format (currently `2`). |
| **Header Length**| 4 | A 32-bit unsigned integer specifying the length of the JSON Header in bytes. This allows for flexible and extensible metadata. |
| **JSON Header** | `Header Length` | A UTF-8 encoded JSON object containing metadata about the payload. Common keys include `content_type`, `encryption_algorithm`, `nonce`, `tag`, and `created_at`. |
| **Payload** | variable | The raw binary data. This can be plaintext, ciphertext, or any other data. The interpretation of this data is guided by the metadata in the JSON Header. |
## Example JSON Header
Here is an example of what the JSON header might look like for a file encrypted with ChaCha20-Poly1305:
```json
{
"content_type": "application/octet-stream",
"encryption_algorithm": "chacha20poly1305",
"nonce": "AAECAwQFBgcICQoLDA0ODxAREhMUFRY=",
"created_at": "2025-10-30T12:00:00Z"
}
```
This decoupled design ensures that the `.trix` container is not tied to any specific encryption scheme, allowing for greater flexibility and future-proofing.

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// Example: Checksum algorithms
//
// This example demonstrates Luhn and Fletcher checksum algorithms
// for data integrity verification.
//
// Run with: go run examples/checksums/main.go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- Checksum Demo ---")
cryptService := crypt.NewService()
// Luhn
luhnPayloadGood := "49927398716"
luhnPayloadBad := "49927398717"
fmt.Printf("Luhn Checksum:\n")
fmt.Printf(" - Payload '%s' is valid: %v\n", luhnPayloadGood, cryptService.Luhn(luhnPayloadGood))
fmt.Printf(" - Payload '%s' is valid: %v\n", luhnPayloadBad, cryptService.Luhn(luhnPayloadBad))
// Fletcher
fletcherPayload := "abcde"
fmt.Printf("\nFletcher Checksums (Payload: \"%s\"):\n", fletcherPayload)
fmt.Printf(" - Fletcher16: %d\n", cryptService.Fletcher16(fletcherPayload))
fmt.Printf(" - Fletcher32: %d\n", cryptService.Fletcher32(fletcherPayload))
fmt.Printf(" - Fletcher64: %d\n", cryptService.Fletcher64(fletcherPayload))
fmt.Println()
}

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package main
import (
"fmt"
)
func main() {
fmt.Println("--- Test Coverage Demo ---")
fmt.Println("")
fmt.Println("This example demonstrates how to generate and interpret a test coverage report.")
fmt.Println("")
fmt.Println("1. Generate a coverage profile:")
fmt.Println(" go test ./... -coverprofile=coverage.out")
fmt.Println("")
fmt.Println("2. View the coverage report in your browser:")
fmt.Println(" go tool cover -html=coverage.out")
fmt.Println("")
fmt.Println("3. View the coverage report in your terminal:")
fmt.Println(" go tool cover -func=coverage.out")
fmt.Println("")
}

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package examples_test
import (
"os/exec"
"testing"
"github.com/stretchr/testify/assert"
)
func TestExample_Checksums(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./checksums"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}
func TestExample_Hash(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./hash"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}
func TestExample_PGPEncryptDecrypt(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./pgp_encrypt_decrypt"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}
func TestExample_PGPGenerateKeys(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./pgp_generate_keys"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}
func TestExample_PGPSignVerify(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./pgp_sign_verify"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}
func TestExample_PGPSymmetricEncrypt(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./pgp_symmetric_encrypt"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}
func TestExample_RSA(t *testing.T) {
cmd := exec.Command("go", "run", ".")
cmd.Dir = "./rsa"
out, err := cmd.CombinedOutput()
assert.NoError(t, err, string(out))
}

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// Example: Hashing with multiple algorithms
//
// This example demonstrates how to use the crypt service to compute hashes
// using various algorithms including the custom LTHN quasi-salted hash.
//
// Run with: go run examples/hash/main.go
package main
import (
"fmt"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- Hashing Demo ---")
cryptService := crypt.NewService()
payload := "Enchantrix"
hashTypes := []crypt.HashType{
crypt.LTHN,
crypt.MD5,
crypt.SHA1,
crypt.SHA256,
crypt.SHA512,
}
fmt.Printf("Payload to hash: \"%s\"\n", payload)
for _, hashType := range hashTypes {
hash := cryptService.Hash(hashType, payload)
fmt.Printf(" - %-6s: %s\n", hashType, hash)
}
fmt.Println()
}

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// Example: PGP encryption and decryption
//
// This example demonstrates OpenPGP key generation, asymmetric encryption,
// and decryption. PGP provides end-to-end encryption with ASCII-armored
// output suitable for email and text-based transport.
//
// Run with: go run examples/pgp_encrypt_decrypt/main.go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- PGP Encryption & Decryption Demo ---")
cryptService := crypt.NewService()
// 1. Generate PGP key pair
fmt.Println("Generating PGP key pair...")
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
fmt.Println("Key pair generated successfully.")
// 2. Encrypt a message
message := []byte("This is a secret message for PGP.")
fmt.Printf("\nOriginal message: %s\n", message)
ciphertext, err := cryptService.EncryptPGP(publicKey, message)
if err != nil {
log.Fatalf("Failed to encrypt with PGP: %v", err)
}
fmt.Printf("Encrypted ciphertext (armored):\n%s\n", ciphertext)
// 3. Decrypt the message
decrypted, err := cryptService.DecryptPGP(privateKey, ciphertext)
if err != nil {
log.Fatalf("Failed to decrypt with PGP: %v", err)
}
fmt.Printf("Decrypted message: %s\n", decrypted)
// 4. Verify
if string(message) == string(decrypted) {
fmt.Println("\nSuccess! PGP decrypted message matches the original.")
} else {
fmt.Println("\nFailure! PGP decrypted message does not match the original.")
}
fmt.Println()
}

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// Example: PGP key pair generation
//
// This example demonstrates generating an OpenPGP key pair with
// name, email, and comment metadata. The output is ASCII-armored
// for easy storage and distribution.
//
// Run with: go run examples/pgp_generate_keys/main.go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- PGP Key Generation Demo ---")
cryptService := crypt.NewService()
// 1. Generate PGP key pair
fmt.Println("Generating PGP key pair...")
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
fmt.Println("Key pair generated successfully.")
fmt.Printf("\nPublic Key:\n%s\n", publicKey)
fmt.Printf("\nPrivate Key:\n%s\n", privateKey)
}

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// Example: PGP digital signatures
//
// This example demonstrates creating and verifying PGP digital signatures.
// Signatures provide authenticity and integrity verification without
// encrypting the message content.
//
// Run with: go run examples/pgp_sign_verify/main.go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- PGP Signing & Verification Demo ---")
cryptService := crypt.NewService()
// 1. Generate PGP key pair
fmt.Println("Generating PGP key pair...")
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
fmt.Println("Key pair generated successfully.")
// 2. Sign a message
message := []byte("This is a message to be signed.")
fmt.Printf("\nOriginal message: %s\n", message)
signature, err := cryptService.SignPGP(privateKey, message)
if err != nil {
log.Fatalf("Failed to sign with PGP: %v", err)
}
fmt.Printf("Signature (armored):\n%s\n", signature)
// 3. Verify the signature
err = cryptService.VerifyPGP(publicKey, message, signature)
if err != nil {
log.Fatalf("Failed to verify signature: %v", err)
}
fmt.Println("Signature verified successfully!")
fmt.Println()
}

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// Example: PGP symmetric (passphrase-based) encryption
//
// This example demonstrates symmetric encryption using a passphrase
// instead of public/private key pairs. Useful when you need to share
// encrypted data with someone using a pre-shared password.
//
// Run with: go run examples/pgp_symmetric_encrypt/main.go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- PGP Symmetric Encryption Demo ---")
cryptService := crypt.NewService()
// 1. Encrypt a message with a passphrase
message := []byte("This is a secret message for symmetric PGP encryption.")
passphrase := []byte("my-secret-passphrase")
fmt.Printf("\nOriginal message: %s\n", message)
ciphertext, err := cryptService.SymmetricallyEncryptPGP(passphrase, message)
if err != nil {
log.Fatalf("Failed to encrypt with PGP: %v", err)
}
fmt.Printf("Encrypted ciphertext (armored):\n%s\n", ciphertext)
fmt.Println()
}

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examples/rsa/main.go Normal file
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// Example: RSA encryption and decryption
//
// This example demonstrates RSA key generation, encryption, and decryption
// using the crypt service. RSA is suitable for encrypting small amounts of
// data or for key exchange protocols.
//
// Run with: go run examples/rsa/main.go
package main
import (
"encoding/base64"
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func main() {
fmt.Println("--- RSA Demo ---")
cryptService := crypt.NewService()
// 1. Generate RSA key pair
fmt.Println("Generating 2048-bit RSA key pair...")
publicKey, privateKey, err := cryptService.GenerateRSAKeyPair(2048)
if err != nil {
log.Fatalf("Failed to generate RSA key pair: %v", err)
}
fmt.Println("Key pair generated successfully.")
// 2. Encrypt a message
message := []byte("This is a secret message for RSA.")
fmt.Printf("\nOriginal message: %s\n", message)
ciphertext, err := cryptService.EncryptRSA(publicKey, message, nil)
if err != nil {
log.Fatalf("Failed to encrypt with RSA: %v", err)
}
fmt.Printf("Encrypted ciphertext (base64): %s\n", base64.StdEncoding.EncodeToString(ciphertext))
// 3. Decrypt the message
decrypted, err := cryptService.DecryptRSA(privateKey, ciphertext, nil)
if err != nil {
log.Fatalf("Failed to decrypt with RSA: %v", err)
}
fmt.Printf("Decrypted message: %s\n", decrypted)
// 4. Verify
if string(message) == string(decrypted) {
fmt.Println("\nSuccess! RSA decrypted message matches the original.")
} else {
fmt.Println("\nFailure! RSA decrypted message does not match the original.")
}
fmt.Println()
}

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// Example: Sigil transformation framework
//
// This example demonstrates the Sigil transformation framework, showing
// how to create transformation pipelines for encoding, compression, and
// hashing. Sigils can be chained together and reversed.
//
// Run with: go run examples/sigils/main.go
package main
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/enchantrix"
)
func main() {
fmt.Println("--- Sigil Transformation Demo ---")
// Original data
data := []byte("Hello, Enchantrix! This is a demonstration of the Sigil framework.")
fmt.Printf("Original data (%d bytes): %s\n\n", len(data), data)
// 1. Single sigil transformation
fmt.Println("1. Single Sigil (hex encoding):")
hexSigil, _ := enchantrix.NewSigil("hex")
hexEncoded, _ := hexSigil.In(data)
fmt.Printf(" Hex encoded: %s\n", hexEncoded)
hexDecoded, _ := hexSigil.Out(hexEncoded)
fmt.Printf(" Hex decoded: %s\n\n", hexDecoded)
// 2. Chained sigils using Transmute
fmt.Println("2. Chained Sigils (gzip -> base64):")
gzipSigil, _ := enchantrix.NewSigil("gzip")
base64Sigil, _ := enchantrix.NewSigil("base64")
// Apply chain: data -> gzip -> base64
compressed, _ := gzipSigil.In(data)
fmt.Printf(" After gzip (%d bytes)\n", len(compressed))
result, _ := enchantrix.Transmute(data, []enchantrix.Sigil{gzipSigil, base64Sigil})
fmt.Printf(" After gzip+base64 (%d bytes): %s...\n\n", len(result), result[:50])
// 3. Reverse the chain
fmt.Println("3. Reversing the Chain:")
// Reverse order: base64.Out -> gzip.Out
step1, _ := base64Sigil.Out(result)
original, _ := gzipSigil.Out(step1)
fmt.Printf(" Recovered: %s\n\n", original)
// 4. Hash sigils (irreversible)
fmt.Println("4. Hash Sigils (irreversible):")
sha256Sigil, _ := enchantrix.NewSigil("sha256")
hash, _ := sha256Sigil.In(data)
fmt.Printf(" SHA-256 hash (%d bytes): %x\n", len(hash), hash)
// Hash.Out is a no-op (returns input unchanged)
passthrough, _ := sha256Sigil.Out(hash)
fmt.Printf(" Hash.Out (passthrough): %x\n\n", passthrough)
// 5. Symmetric sigil (reverse)
fmt.Println("5. Symmetric Sigil (byte reversal):")
reverseSigil, _ := enchantrix.NewSigil("reverse")
reversed, _ := reverseSigil.In([]byte("Hello"))
fmt.Printf(" 'Hello' reversed: %s\n", reversed)
// In and Out do the same thing for symmetric sigils
unreversed, _ := reverseSigil.Out(reversed)
fmt.Printf(" Reversed again: %s\n\n", unreversed)
// 6. Available sigils
fmt.Println("6. Available Sigils:")
sigils := []string{
"hex", "base64", "gzip", "reverse", "json", "json-indent",
"md5", "sha1", "sha256", "sha512", "blake2b-256",
}
for _, name := range sigils {
sigil, err := enchantrix.NewSigil(name)
if err != nil {
log.Printf(" - %s: ERROR\n", name)
} else {
_ = sigil // sigil is valid
fmt.Printf(" - %s: OK\n", name)
}
}
}

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// Example: .trix container format
//
// This example demonstrates the .trix binary container format for packaging
// data with metadata and optional transformations. The format supports
// custom magic numbers, JSON headers, and sigil-based transformation pipelines.
//
// Run with: go run examples/trix_container/main.go
package main
import (
"fmt"
"log"
"time"
"github.com/Snider/Enchantrix/pkg/crypt"
"github.com/Snider/Enchantrix/pkg/trix"
)
func main() {
fmt.Println("--- .trix Container Format Demo ---")
// 1. Create a simple container
fmt.Println("\n1. Simple Container:")
simple := &trix.Trix{
Header: map[string]interface{}{
"content_type": "text/plain",
"created_at": time.Now().UTC().Format(time.RFC3339),
"author": "Enchantrix Demo",
},
Payload: []byte("Hello, this is the payload data!"),
}
encoded, err := trix.Encode(simple, "DEMO", nil)
if err != nil {
log.Fatalf("Failed to encode: %v", err)
}
fmt.Printf(" Encoded size: %d bytes\n", len(encoded))
fmt.Printf(" Magic number: %s\n", encoded[:4])
fmt.Printf(" Version: %d\n", encoded[4])
// Decode it back
decoded, err := trix.Decode(encoded, "DEMO", nil)
if err != nil {
log.Fatalf("Failed to decode: %v", err)
}
fmt.Printf(" Decoded payload: %s\n", decoded.Payload)
fmt.Printf(" Header content_type: %s\n", decoded.Header["content_type"])
// 2. Container with checksum verification
fmt.Println("\n2. Container with Checksum:")
withChecksum := &trix.Trix{
Header: map[string]interface{}{
"content_type": "application/octet-stream",
},
Payload: []byte("Important data that needs integrity verification"),
ChecksumAlgo: crypt.SHA256,
}
encodedWithChecksum, _ := trix.Encode(withChecksum, "CHKS", nil)
fmt.Printf(" Encoded size: %d bytes\n", len(encodedWithChecksum))
// Decode and verify checksum automatically
decodedWithChecksum, err := trix.Decode(encodedWithChecksum, "CHKS", nil)
if err != nil {
log.Fatalf("Checksum verification failed: %v", err)
}
fmt.Printf(" Checksum verified! Algorithm: %s\n", decodedWithChecksum.Header["checksum_algo"])
fmt.Printf(" Checksum value: %s...\n", decodedWithChecksum.Header["checksum"].(string)[:32])
// 3. Container with sigil transformations
fmt.Println("\n3. Container with Sigil Transformations:")
withSigils := &trix.Trix{
Header: map[string]interface{}{
"content_type": "text/plain",
"transformed": true,
},
Payload: []byte("This data will be compressed and encoded!"),
InSigils: []string{"gzip", "base64"},
}
fmt.Printf(" Original payload size: %d bytes\n", len(withSigils.Payload))
// Pack applies InSigils
if err := withSigils.Pack(); err != nil {
log.Fatalf("Pack failed: %v", err)
}
fmt.Printf(" After Pack (gzip+base64): %d bytes\n", len(withSigils.Payload))
encodedWithSigils, _ := trix.Encode(withSigils, "TRNS", nil)
fmt.Printf(" Final encoded size: %d bytes\n", len(encodedWithSigils))
// Decode and unpack
decodedWithSigils, _ := trix.Decode(encodedWithSigils, "TRNS", nil)
decodedWithSigils.OutSigils = []string{"gzip", "base64"} // Must match InSigils
if err := decodedWithSigils.Unpack(); err != nil {
log.Fatalf("Unpack failed: %v", err)
}
fmt.Printf(" Unpacked payload: %s\n", decodedWithSigils.Payload)
// 4. Custom magic numbers for different applications
fmt.Println("\n4. Custom Magic Numbers:")
apps := []struct {
magic string
desc string
}{
{"CONF", "Configuration files"},
{"LOGS", "Log archives"},
{"KEYS", "Key storage"},
{"MSGS", "Encrypted messages"},
}
for _, app := range apps {
container := &trix.Trix{
Header: map[string]interface{}{"app": app.desc},
Payload: []byte("sample"),
}
data, _ := trix.Encode(container, app.magic, nil)
fmt.Printf(" %s: %s (%d bytes)\n", app.magic, app.desc, len(data))
}
fmt.Println("\nDone!")
}

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go.mod Normal file
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module github.com/Snider/Enchantrix
go 1.25
require (
github.com/ProtonMail/go-crypto v1.3.0
github.com/spf13/cobra v1.10.1
github.com/stretchr/testify v1.11.1
golang.org/x/crypto v0.43.0
)
require (
github.com/cloudflare/circl v1.6.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/spf13/pflag v1.0.9 // indirect
golang.org/x/sys v0.37.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

26
go.sum Normal file
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github.com/ProtonMail/go-crypto v1.3.0 h1:ILq8+Sf5If5DCpHQp4PbZdS1J7HDFRXz/+xKBiRGFrw=
github.com/ProtonMail/go-crypto v1.3.0/go.mod h1:9whxjD8Rbs29b4XWbB8irEcE8KHMqaR2e7GWU1R+/PE=
github.com/cloudflare/circl v1.6.0 h1:cr5JKic4HI+LkINy2lg3W2jF8sHCVTBncJr5gIIq7qk=
github.com/cloudflare/circl v1.6.0/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/spf13/cobra v1.10.1 h1:lJeBwCfmrnXthfAupyUTzJ/J4Nc1RsHC/mSRU2dll/s=
github.com/spf13/cobra v1.10.1/go.mod h1:7SmJGaTHFVBY0jW4NXGluQoLvhqFQM+6XSKD+P4XaB0=
github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

3
go.work Normal file
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go 1.25
use .

12
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github.com/bwesterb/go-ristretto v1.2.3 h1:1w53tCkGhCQ5djbat3+MH0BAQ5Kfgbt56UZQ/JMzngw=
github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo5vtkx0=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
golang.org/x/net v0.45.0 h1:RLBg5JKixCy82FtLJpeNlVM0nrSqpCRYzVU1n8kj0tM=
golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
golang.org/x/term v0.36.0 h1:zMPR+aF8gfksFprF/Nc/rd1wRS1EI6nDBGyWAvDzx2Q=
golang.org/x/term v0.36.0/go.mod h1:Qu394IJq6V6dCBRgwqshf3mPF85AqzYEzofzRdZkWss=
golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=

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<h1 id="hashing">Hashing</h1>
<p>This example demonstrates how to use the <code>crypt</code> service to hash a payload using various algorithms.</p>
<pre><code class="language-go">package main
import (
&quot;fmt&quot;
&quot;github.com/Snider/Enchantrix/pkg/crypt&quot;
)
func demoHashing() {
fmt.Println(&quot;--- Hashing Demo ---&quot;)
cryptService := crypt.NewService()
payload := &quot;Enchantrix&quot;
hashTypes := []crypt.HashType{
crypt.LTHN,
crypt.MD5,
crypt.SHA1,
crypt.SHA256,
crypt.SHA512,
}
fmt.Printf(&quot;Payload to hash: \&quot;%s\&quot;\n&quot;, payload)
for _, hashType := range hashTypes {
hash := cryptService.Hash(hashType, payload)
fmt.Printf(&quot; - %-6s: %s\n&quot;, hashType, hash)
}
fmt.Println()
}
</code></pre>
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<h1 id="welcome-to-enchantrix">Welcome to Enchantrix</h1>
<p>Enchantrix is a Go-based crypto library and miner application. This documentation provides information on how to use the various features of the Enchantrix library.</p>
<h2 id="trix-file-format">Trix File Format</h2>
<p>The <code>.trix</code> file format is a generic and flexible binary container for storing an arbitrary data payload alongside structured metadata. For more information, see the <a href="trix_format/">Trix File Format</a> page.</p>
<h2 id="examples">Examples</h2>
<p>The following pages provide examples of how to use the Enchantrix library:</p>
<ul>
<li><a href="trix_and_sigils/">Trix &amp; Sigil Chaining</a></li>
<li><a href="hashing/">Hashing</a></li>
<li><a href="checksums/">Checksums</a></li>
<li><a href="rsa/">RSA</a></li>
<li><a href="standalone_sigils/">Standalone Sigils</a></li>
</ul>
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mkdocs.yml Normal file
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site_name: Enchantrix
site_description: Go encryption library and Trix file format
site_url: https://github.com/Snider/Enchantrix
repo_url: https://github.com/Snider/Enchantrix
repo_name: Snider/Enchantrix
docs_dir: docs
theme:
name: material
nav:
- Home: index.md
- Trix File Format: trix_format.md
- CLI Reference: cli.md
- Examples:
- Trix & Sigil Chaining: trix_and_sigils.md
- Hashing: hashing.md
- Checksums: checksums.md
- RSA: rsa.md
- PGP: pgp.md
- Standalone Sigils: standalone_sigils.md
markdown_extensions:
- admonition
- codehilite
- toc:
permalink: true

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pkg/crypt/crypt.go Normal file
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package crypt
import (
"crypto/md5"
"crypto/sha1"
"errors"
"crypto/sha256"
"crypto/sha512"
"encoding/binary"
"encoding/hex"
"strconv"
"strings"
"github.com/Snider/Enchantrix/pkg/crypt/std/lthn"
"github.com/Snider/Enchantrix/pkg/crypt/std/pgp"
"github.com/Snider/Enchantrix/pkg/crypt/std/rsa"
)
// Service is the main struct for the crypt service.
// It provides methods for hashing, checksums, and encryption.
type Service struct {
rsa *rsa.Service
pgp *pgp.Service
}
// NewService creates a new crypt Service and initialises its embedded services.
// It returns a new Service.
func NewService() *Service {
return &Service{
rsa: rsa.NewService(),
pgp: pgp.NewService(),
}
}
// HashType defines the supported hashing algorithms.
type HashType string
const (
// LTHN is a custom quasi-salted hashing algorithm.
LTHN HashType = "lthn"
// SHA512 is the SHA-512 hashing algorithm.
SHA512 HashType = "sha512"
// SHA256 is the SHA-256 hashing algorithm.
SHA256 HashType = "sha256"
// SHA1 is the SHA-1 hashing algorithm.
SHA1 HashType = "sha1"
// MD5 is the MD5 hashing algorithm.
MD5 HashType = "md5"
)
// --- Hashing ---
// IsHashAlgo checks if a string is a valid hash algorithm.
func (s *Service) IsHashAlgo(algo string) bool {
switch HashType(algo) {
case LTHN, SHA512, SHA256, SHA1, MD5:
return true
default:
return false
}
}
// Hash computes a hash of the payload using the specified algorithm.
// It returns the hash as a hex-encoded string.
func (s *Service) Hash(lib HashType, payload string) string {
switch lib {
case LTHN:
return lthn.Hash(payload)
case SHA512:
hash := sha512.Sum512([]byte(payload))
return hex.EncodeToString(hash[:])
case SHA1:
hash := sha1.Sum([]byte(payload))
return hex.EncodeToString(hash[:])
case MD5:
hash := md5.Sum([]byte(payload))
return hex.EncodeToString(hash[:])
case SHA256:
fallthrough
default:
hash := sha256.Sum256([]byte(payload))
return hex.EncodeToString(hash[:])
}
}
// --- Checksums ---
// Luhn validates a number using the Luhn algorithm.
// It is typically used to validate credit card numbers.
func (s *Service) Luhn(payload string) bool {
payload = strings.ReplaceAll(payload, " ", "")
if len(payload) <= 1 {
return false
}
sum := 0
isSecond := len(payload)%2 == 0
for _, r := range payload {
digit, err := strconv.Atoi(string(r))
if err != nil {
return false // Contains non-digit
}
if isSecond {
digit = digit * 2
if digit > 9 {
digit = digit - 9
}
}
sum += digit
isSecond = !isSecond
}
return sum%10 == 0
}
// Fletcher16 computes the Fletcher-16 checksum.
// It is a fast checksum algorithm that is more reliable than a simple sum.
func (s *Service) Fletcher16(payload string) uint16 {
data := []byte(payload)
var sum1, sum2 uint16
for _, b := range data {
sum1 = (sum1 + uint16(b)) % 255
sum2 = (sum2 + sum1) % 255
}
return (sum2 << 8) | sum1
}
// Fletcher32 computes the Fletcher-32 checksum.
// It provides better error detection than Fletcher-16.
func (s *Service) Fletcher32(payload string) uint32 {
data := []byte(payload)
if len(data)%2 != 0 {
data = append(data, 0)
}
var sum1, sum2 uint32
for i := 0; i < len(data); i += 2 {
val := binary.LittleEndian.Uint16(data[i : i+2])
sum1 = (sum1 + uint32(val)) % 65535
sum2 = (sum2 + sum1) % 65535
}
return (sum2 << 16) | sum1
}
// Fletcher64 computes the Fletcher-64 checksum.
// It provides the best error detection of the Fletcher algorithms.
func (s *Service) Fletcher64(payload string) uint64 {
data := []byte(payload)
if len(data)%4 != 0 {
padding := 4 - (len(data) % 4)
data = append(data, make([]byte, padding)...)
}
var sum1, sum2 uint64
for i := 0; i < len(data); i += 4 {
val := binary.LittleEndian.Uint32(data[i : i+4])
sum1 = (sum1 + uint64(val)) % 4294967295
sum2 = (sum2 + sum1) % 4294967295
}
return (sum2 << 32) | sum1
}
// --- RSA ---
// ensureRSA initializes the RSA service if it is not already.
func (s *Service) ensureRSA() {
if s.rsa == nil {
s.rsa = rsa.NewService()
}
}
// GenerateRSAKeyPair creates a new RSA key pair.
func (s *Service) GenerateRSAKeyPair(bits int) (publicKey, privateKey []byte, err error) {
s.ensureRSA()
return s.rsa.GenerateKeyPair(bits)
}
// EncryptRSA encrypts data with a public key.
func (s *Service) EncryptRSA(publicKey, data, label []byte) ([]byte, error) {
s.ensureRSA()
return s.rsa.Encrypt(publicKey, data, label)
}
// DecryptRSA decrypts data with a private key.
func (s *Service) DecryptRSA(privateKey, ciphertext, label []byte) ([]byte, error) {
s.ensureRSA()
return s.rsa.Decrypt(privateKey, ciphertext, label)
}
// --- PGP ---
// ensurePGP initializes the PGP service if it is not already.
func (s *Service) ensurePGP() {
if s.pgp == nil {
s.pgp = pgp.NewService()
}
}
// GeneratePGPKeyPair creates a new PGP key pair.
// It returns the public and private keys in PEM format.
func (s *Service) GeneratePGPKeyPair(name, email, comment string) (publicKey, privateKey []byte, err error) {
s.ensurePGP()
return s.pgp.GenerateKeyPair(name, email, comment)
}
// EncryptPGP encrypts data with a public key.
// It returns the encrypted data.
func (s *Service) EncryptPGP(publicKey, data []byte) ([]byte, error) {
s.ensurePGP()
return s.pgp.Encrypt(publicKey, data)
}
// DecryptPGP decrypts data with a private key.
// It returns the decrypted data.
func (s *Service) DecryptPGP(privateKey, ciphertext []byte) ([]byte, error) {
s.ensurePGP()
return s.pgp.Decrypt(privateKey, ciphertext)
}
// SignPGP creates a detached signature for a message.
// It returns the signature.
func (s *Service) SignPGP(privateKey, data []byte) ([]byte, error) {
s.ensurePGP()
return s.pgp.Sign(privateKey, data)
}
// VerifyPGP verifies a detached signature for a message.
// It returns an error if the signature is invalid.
func (s *Service) VerifyPGP(publicKey, data, signature []byte) error {
s.ensurePGP()
return s.pgp.Verify(publicKey, data, signature)
}
// SymmetricallyEncryptPGP encrypts data with a passphrase.
// It returns the encrypted data.
func (s *Service) SymmetricallyEncryptPGP(passphrase, data []byte) ([]byte, error) {
s.ensurePGP()
if len(passphrase) == 0 {
return nil, errors.New("passphrase cannot be empty")
}
return s.pgp.SymmetricallyEncrypt(passphrase, data)
}

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package crypt
import (
"testing"
"github.com/stretchr/testify/assert"
)
// TestEnsureRSA_Good tests that the RSA service is initialized correctly.
func TestEnsureRSA_Good(t *testing.T) {
s := &Service{}
s.ensureRSA()
assert.NotNil(t, s.rsa)
}
// TestEnsureRSA_Bad tests that calling ensureRSA multiple times does not change the RSA service.
func TestEnsureRSA_Bad(t *testing.T) {
s := &Service{}
s.ensureRSA()
rsa1 := s.rsa
s.ensureRSA()
rsa2 := s.rsa
assert.Same(t, rsa1, rsa2)
}
// TestEnsureRSA_Ugly tests that ensureRSA works correctly on a service with a pre-initialized RSA service.
func TestEnsureRSA_Ugly(t *testing.T) {
s := NewService() // NewService initializes the RSA service
rsa1 := s.rsa
s.ensureRSA()
rsa2 := s.rsa
assert.Same(t, rsa1, rsa2)
}

271
pkg/crypt/crypt_test.go Normal file
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package crypt_test
import (
"strings"
"testing"
"github.com/Snider/Enchantrix/pkg/crypt"
"github.com/stretchr/testify/assert"
)
var service = crypt.NewService()
// --- Hashing Tests ---
func TestHash_Good(t *testing.T) {
payload := "hello"
// Test all supported hash types
for _, hashType := range []crypt.HashType{crypt.LTHN, crypt.SHA512, crypt.SHA256, crypt.SHA1, crypt.MD5} {
hash := service.Hash(hashType, payload)
assert.NotEmpty(t, hash, "Hash should not be empty for type %s", hashType)
}
}
func TestHash_Bad(t *testing.T) {
// Using an unsupported hash type should default to SHA256
hash := service.Hash("unsupported", "hello")
expectedHash := service.Hash(crypt.SHA256, "hello")
assert.Equal(t, expectedHash, hash)
}
func TestHash_Ugly(t *testing.T) {
// Test with potentially problematic inputs
testCases := []string{
"", // Empty string
" ", // Whitespace
"\x00\x01\x02\x03\x04", // Null bytes
strings.Repeat("a", 1024*1024), // Large payload (1MB)
"こんにちは", // Unicode characters
}
for _, tc := range testCases {
for _, hashType := range []crypt.HashType{crypt.LTHN, crypt.SHA512, crypt.SHA256, crypt.SHA1, crypt.MD5} {
hash := service.Hash(hashType, tc)
assert.NotEmpty(t, hash, "Hash for ugly input should not be empty for type %s", hashType)
}
}
}
// --- Checksum Tests ---
// Luhn Tests
func TestLuhn_Good(t *testing.T) {
assert.True(t, service.Luhn("79927398713"))
}
func TestLuhn_Bad(t *testing.T) {
assert.False(t, service.Luhn("79927398714"), "Should fail for incorrect checksum")
assert.False(t, service.Luhn("7992739871a"), "Should fail for non-numeric input")
assert.False(t, service.Luhn("1"), "Should be false for single digit")
}
func TestLuhn_Ugly(t *testing.T) {
assert.False(t, service.Luhn(""), "Should be false for empty string")
assert.False(t, service.Luhn(" 1 2 3 "), "Should handle spaces but result in false")
assert.False(t, service.Luhn("!@#$%^&*()"), "Should be false for special characters")
}
// Fletcher16 Tests
func TestFletcher16_Good(t *testing.T) {
assert.Equal(t, uint16(0xC8F0), service.Fletcher16("abcde"))
assert.Equal(t, uint16(0x2057), service.Fletcher16("abcdef"))
assert.Equal(t, uint16(0x0627), service.Fletcher16("abcdefgh"))
}
func TestFletcher16_Ugly(t *testing.T) {
assert.Equal(t, uint16(0), service.Fletcher16(""), "Checksum of empty string should be 0")
assert.Equal(t, uint16(0), service.Fletcher16("\x00"), "Checksum of null byte should be 0")
assert.NotEqual(t, uint16(0), service.Fletcher16(" "), "Checksum of space should not be 0")
}
// Fletcher32 Tests
func TestFletcher32_Good(t *testing.T) {
assert.Equal(t, uint32(0xF04FC729), service.Fletcher32("abcde"))
assert.Equal(t, uint32(0x56502D2A), service.Fletcher32("abcdef"))
assert.Equal(t, uint32(0xEBE19591), service.Fletcher32("abcdefgh"))
}
func TestFletcher32_Ugly(t *testing.T) {
assert.Equal(t, uint32(0), service.Fletcher32(""), "Checksum of empty string should be 0")
// Test odd length string to check padding
assert.NotEqual(t, uint32(0), service.Fletcher32("a"), "Checksum of odd length string")
assert.NotEqual(t, uint32(0), service.Fletcher32(" "), "Checksum of space should not be 0")
}
// Fletcher64 Tests
func TestFletcher64_Good(t *testing.T) {
assert.Equal(t, uint64(0xc8c6c527646362c6), service.Fletcher64("abcde"))
assert.Equal(t, uint64(0xc8c72b276463c8c6), service.Fletcher64("abcdef"))
assert.Equal(t, uint64(0x312e2b28cccac8c6), service.Fletcher64("abcdefgh"))
}
func TestFletcher64_Ugly(t *testing.T) {
assert.Equal(t, uint64(0), service.Fletcher64(""), "Checksum of empty string should be 0")
// Test different length strings to check padding
assert.NotEqual(t, uint64(0), service.Fletcher64("a"), "Checksum of length 1 string")
assert.NotEqual(t, uint64(0), service.Fletcher64("ab"), "Checksum of length 2 string")
assert.NotEqual(t, uint64(0), service.Fletcher64("abc"), "Checksum of length 3 string")
assert.NotEqual(t, uint64(0), service.Fletcher64(" "), "Checksum of space should not be 0")
}
// --- RSA Tests ---
func TestRSA_Good(t *testing.T) {
pubKey, privKey, err := service.GenerateRSAKeyPair(2048)
assert.NoError(t, err)
assert.NotNil(t, pubKey)
assert.NotNil(t, privKey)
// Test encryption and decryption
message := []byte("secret message")
label := []byte("test label")
ciphertext, err := service.EncryptRSA(pubKey, message, label)
assert.NoError(t, err)
plaintext, err := service.DecryptRSA(privKey, ciphertext, label)
assert.NoError(t, err)
assert.Equal(t, message, plaintext)
}
// --- PGP Tests ---
func TestPGP_Good(t *testing.T) {
pubKey, privKey, err := service.GeneratePGPKeyPair("test", "test@test.com", "test comment")
assert.NoError(t, err)
assert.NotNil(t, pubKey)
assert.NotNil(t, privKey)
// Test encryption and decryption
message := []byte("secret message")
ciphertext, err := service.EncryptPGP(pubKey, message)
assert.NoError(t, err)
plaintext, err := service.DecryptPGP(privKey, ciphertext)
assert.NoError(t, err)
assert.Equal(t, message, plaintext)
// Test signing and verification
signature, err := service.SignPGP(privKey, message)
assert.NoError(t, err)
err = service.VerifyPGP(pubKey, message, signature)
assert.NoError(t, err)
// Test symmetric encryption
passphrase := []byte("my-secret-passphrase")
ciphertext, err = service.SymmetricallyEncryptPGP(passphrase, message)
assert.NoError(t, err)
assert.NotNil(t, ciphertext)
}
func TestPGP_Bad(t *testing.T) {
// Generate two key pairs
pubKey1, privKey1, err := service.GeneratePGPKeyPair("test1", "test1@test.com", "")
assert.NoError(t, err)
pubKey2, privKey2, err := service.GeneratePGPKeyPair("test2", "test2@test.com", "")
assert.NoError(t, err)
message := []byte("secret message")
// Test decryption with the wrong key
ciphertext, err := service.EncryptPGP(pubKey1, message)
assert.NoError(t, err)
// This should fail because we are using the wrong private key.
_, err = service.DecryptPGP(privKey2, ciphertext) // Intentionally using wrong key
assert.Error(t, err)
// Test verification with the wrong key
signature, err := service.SignPGP(privKey1, message)
assert.NoError(t, err)
err = service.VerifyPGP(pubKey2, message, signature)
assert.Error(t, err)
// Test verification with a tampered message
tamperedMessage := []byte("tampered message")
err = service.VerifyPGP(pubKey1, tamperedMessage, signature)
assert.Error(t, err)
}
func TestPGP_Ugly(t *testing.T) {
// Test with malformed keys
_, err := service.EncryptPGP([]byte("not a real key"), []byte("message"))
assert.Error(t, err)
_, err = service.DecryptPGP([]byte("not a real key"), []byte("message"))
assert.Error(t, err)
_, err = service.SignPGP([]byte("not a real key"), []byte("message"))
assert.Error(t, err)
err = service.VerifyPGP([]byte("not a real key"), []byte("message"), []byte("not a real signature"))
assert.Error(t, err)
// Test with empty message
pubKey, privKey, err := service.GeneratePGPKeyPair("test", "test@test.com", "")
assert.NoError(t, err)
message := []byte("")
ciphertext, err := service.EncryptPGP(pubKey, message)
assert.NoError(t, err)
plaintext, err := service.DecryptPGP(privKey, ciphertext, )
assert.NoError(t, err)
assert.Equal(t, message, plaintext)
// Test symmetric encryption with empty passphrase
_, err = service.SymmetricallyEncryptPGP([]byte(""), message)
assert.Error(t, err)
}
// --- IsHashAlgo Tests ---
func TestIsHashAlgo_Good(t *testing.T) {
assert.True(t, service.IsHashAlgo("lthn"))
assert.True(t, service.IsHashAlgo("sha512"))
assert.True(t, service.IsHashAlgo("sha256"))
assert.True(t, service.IsHashAlgo("sha1"))
assert.True(t, service.IsHashAlgo("md5"))
}
func TestIsHashAlgo_Bad(t *testing.T) {
assert.False(t, service.IsHashAlgo("not-a-hash"))
}
func TestRSA_Bad(t *testing.T) {
// Test with a key size that is too small
_, _, err := service.GenerateRSAKeyPair(1024)
assert.Error(t, err)
// Test decryption with the wrong key
pubKey, privKey, err := service.GenerateRSAKeyPair(2048)
assert.NoError(t, err)
_, otherPrivKey, err := service.GenerateRSAKeyPair(2048)
assert.NoError(t, err)
message := []byte("secret message")
ciphertext, err := service.EncryptRSA(pubKey, message, nil)
assert.NoError(t, err)
_, err = service.DecryptRSA(otherPrivKey, ciphertext, nil)
assert.Error(t, err)
// Test decryption with wrong label
label1 := []byte("label1")
label2 := []byte("label2")
ciphertext, err = service.EncryptRSA(pubKey, message, label1)
assert.NoError(t, err)
_, err = service.DecryptRSA(privKey, ciphertext, label2)
assert.Error(t, err)
}
func TestRSA_Ugly(t *testing.T) {
// Test with malformed keys
_, err := service.EncryptRSA([]byte("not a real key"), []byte("message"), nil)
assert.Error(t, err)
_, err = service.DecryptRSA([]byte("not a real key"), []byte("message"), nil)
assert.Error(t, err)
// Test with empty message
pubKey, privKey, err := service.GenerateRSAKeyPair(2048)
assert.NoError(t, err)
message := []byte("")
ciphertext, err := service.EncryptRSA(pubKey, message, nil)
assert.NoError(t, err)
plaintext, err := service.DecryptRSA(privKey, ciphertext, nil)
assert.NoError(t, err)
assert.Equal(t, message, plaintext)
}

170
pkg/crypt/examples_test.go Normal file
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package crypt_test
import (
"fmt"
"log"
"github.com/Snider/Enchantrix/pkg/crypt"
)
func ExampleService_Hash() {
cryptService := crypt.NewService()
payload := "Enchantrix"
hashTypes := []crypt.HashType{
crypt.LTHN,
crypt.MD5,
crypt.SHA1,
crypt.SHA256,
crypt.SHA512,
}
fmt.Printf("Payload to hash: \"%s\"\n", payload)
for _, hashType := range hashTypes {
hash := cryptService.Hash(hashType, payload)
fmt.Printf(" - %-6s: %s\n", hashType, hash)
}
// Output:
// Payload to hash: "Enchantrix"
// - lthn : 331f24f86375846ac8d0d06cfb80cb2877e8900548a88d4ac8d39177cd854dab
// - md5 : 7c54903a10f058a93fd1f21ea802cb27
// - sha1 : 399f776c4b97e558a2c4f319b223dd481c6d43f1
// - sha256: 2ae653f74554abfdb2343013925f5184a0f05e4c2e0c3881448fc80caeb667c2
// - sha512: 9638018a9720b5d83fba7f3899e4ba5ab78018781f9c600f0c0738ff8ccf1ea54e1c783ee8778542b70aa26283d87ce88784b2df5697322546d3b8029c4b6797
}
func ExampleService_Luhn() {
cryptService := crypt.NewService()
luhnPayloadGood := "49927398716"
luhnPayloadBad := "49927398717"
fmt.Printf("Luhn Checksum:\n")
fmt.Printf(" - Payload '%s' is valid: %v\n", luhnPayloadGood, cryptService.Luhn(luhnPayloadGood))
fmt.Printf(" - Payload '%s' is valid: %v\n", luhnPayloadBad, cryptService.Luhn(luhnPayloadBad))
// Output:
// Luhn Checksum:
// - Payload '49927398716' is valid: true
// - Payload '49927398717' is valid: false
}
func ExampleService_Fletcher16() {
cryptService := crypt.NewService()
fletcherPayload := "abcde"
fmt.Printf("Fletcher16 Checksum (Payload: \"%s\"): %d\n", fletcherPayload, cryptService.Fletcher16(fletcherPayload))
// Output:
// Fletcher16 Checksum (Payload: "abcde"): 51440
}
func ExampleService_Fletcher32() {
cryptService := crypt.NewService()
fletcherPayload := "abcde"
fmt.Printf("Fletcher32 Checksum (Payload: \"%s\"): %d\n", fletcherPayload, cryptService.Fletcher32(fletcherPayload))
// Output:
// Fletcher32 Checksum (Payload: "abcde"): 4031760169
}
func ExampleService_Fletcher64() {
cryptService := crypt.NewService()
fletcherPayload := "abcde"
fmt.Printf("Fletcher64 Checksum (Payload: \"%s\"): %d\n", fletcherPayload, cryptService.Fletcher64(fletcherPayload))
// Output:
// Fletcher64 Checksum (Payload: "abcde"): 14467467625952928454
}
func ExampleService_GeneratePGPKeyPair() {
cryptService := crypt.NewService()
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
fmt.Printf("PGP public key is not empty: %v\n", len(publicKey) > 0)
fmt.Printf("PGP private key is not empty: %v\n", len(privateKey) > 0)
// Output:
// PGP public key is not empty: true
// PGP private key is not empty: true
}
func ExampleService_EncryptPGP() {
cryptService := crypt.NewService()
publicKey, _, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
message := []byte("This is a secret message for PGP.")
ciphertext, err := cryptService.EncryptPGP(publicKey, message)
if err != nil {
log.Fatalf("Failed to encrypt with PGP: %v", err)
}
fmt.Printf("PGP ciphertext is not empty: %v\n", len(ciphertext) > 0)
// Output:
// PGP ciphertext is not empty: true
}
func ExampleService_DecryptPGP() {
cryptService := crypt.NewService()
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
message := []byte("This is a secret message for PGP.")
ciphertext, err := cryptService.EncryptPGP(publicKey, message)
if err != nil {
log.Fatalf("Failed to encrypt with PGP: %v", err)
}
decrypted, err := cryptService.DecryptPGP(privateKey, ciphertext)
if err != nil {
log.Fatalf("Failed to decrypt with PGP: %v", err)
}
fmt.Printf("Decrypted message: %s\n", decrypted)
// Output:
// Decrypted message: This is a secret message for PGP.
}
func ExampleService_SignPGP() {
cryptService := crypt.NewService()
_, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
message := []byte("This is a message to be signed.")
signature, err := cryptService.SignPGP(privateKey, message)
if err != nil {
log.Fatalf("Failed to sign with PGP: %v", err)
}
fmt.Printf("PGP signature is not empty: %v\n", len(signature) > 0)
// Output:
// PGP signature is not empty: true
}
func ExampleService_VerifyPGP() {
cryptService := crypt.NewService()
publicKey, privateKey, err := cryptService.GeneratePGPKeyPair("test", "test@example.com", "test key")
if err != nil {
log.Fatalf("Failed to generate PGP key pair: %v", err)
}
message := []byte("This is a message to be signed.")
signature, err := cryptService.SignPGP(privateKey, message)
if err != nil {
log.Fatalf("Failed to sign with PGP: %v", err)
}
err = cryptService.VerifyPGP(publicKey, message, signature)
if err != nil {
fmt.Println("PGP signature verification failed.")
} else {
fmt.Println("PGP signature verified successfully.")
}
// Output:
// PGP signature verified successfully.
}
func ExampleService_SymmetricallyEncryptPGP() {
cryptService := crypt.NewService()
passphrase := []byte("my secret passphrase")
message := []byte("This is a symmetric secret.")
ciphertext, err := cryptService.SymmetricallyEncryptPGP(passphrase, message)
if err != nil {
log.Fatalf("Failed to symmetrically encrypt with PGP: %v", err)
}
fmt.Printf("Symmetric PGP ciphertext is not empty: %v\n", len(ciphertext) > 0)
// Output:
// Symmetric PGP ciphertext is not empty: true
}

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package chachapoly
import (
"crypto/rand"
"fmt"
"io"
"golang.org/x/crypto/chacha20poly1305"
)
// Encrypt encrypts data using ChaCha20-Poly1305.
func Encrypt(plaintext []byte, key []byte) ([]byte, error) {
aead, err := chacha20poly1305.NewX(key)
if err != nil {
return nil, err
}
nonce := make([]byte, aead.NonceSize(), aead.NonceSize()+len(plaintext)+aead.Overhead())
if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
return nil, err
}
return aead.Seal(nonce, nonce, plaintext, nil), nil
}
// Decrypt decrypts data using ChaCha20-Poly1305.
func Decrypt(ciphertext []byte, key []byte) ([]byte, error) {
aead, err := chacha20poly1305.NewX(key)
if err != nil {
return nil, err
}
minLen := aead.NonceSize() + aead.Overhead()
if len(ciphertext) < minLen {
return nil, fmt.Errorf("ciphertext too short: got %d bytes, need at least %d bytes", len(ciphertext), minLen)
}
nonce, ciphertext := ciphertext[:aead.NonceSize()], ciphertext[aead.NonceSize():]
decrypted, err := aead.Open(nil, nonce, ciphertext, nil)
if err != nil {
return nil, err
}
if len(decrypted) == 0 {
return []byte{}, nil
}
return decrypted, nil
}

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package chachapoly
import (
"crypto/rand"
"errors"
"testing"
"github.com/stretchr/testify/assert"
)
// mockReader is a reader that returns an error.
type mockReader struct{}
func (r *mockReader) Read(p []byte) (n int, err error) {
return 0, errors.New("read error")
}
func TestEncryptDecrypt(t *testing.T) {
key := make([]byte, 32)
for i := range key {
key[i] = 1
}
plaintext := []byte("Hello, world!")
ciphertext, err := Encrypt(plaintext, key)
assert.NoError(t, err)
decrypted, err := Decrypt(ciphertext, key)
assert.NoError(t, err)
assert.Equal(t, plaintext, decrypted)
}
func TestEncryptInvalidKeySize(t *testing.T) {
key := make([]byte, 16) // Wrong size
plaintext := []byte("test")
_, err := Encrypt(plaintext, key)
assert.Error(t, err)
}
func TestDecryptWithWrongKey(t *testing.T) {
key1 := make([]byte, 32)
key2 := make([]byte, 32)
key2[0] = 1 // Different key
plaintext := []byte("secret")
ciphertext, err := Encrypt(plaintext, key1)
assert.NoError(t, err)
_, err = Decrypt(ciphertext, key2)
assert.Error(t, err) // Should fail authentication
}
func TestDecryptTamperedCiphertext(t *testing.T) {
key := make([]byte, 32)
plaintext := []byte("secret")
ciphertext, err := Encrypt(plaintext, key)
assert.NoError(t, err)
// Tamper with the ciphertext
ciphertext[0] ^= 0xff
_, err = Decrypt(ciphertext, key)
assert.Error(t, err)
}
func TestEncryptEmptyPlaintext(t *testing.T) {
key := make([]byte, 32)
plaintext := []byte("")
ciphertext, err := Encrypt(plaintext, key)
assert.NoError(t, err)
decrypted, err := Decrypt(ciphertext, key)
assert.NoError(t, err)
assert.Equal(t, plaintext, decrypted)
}
func TestDecryptShortCiphertext(t *testing.T) {
key := make([]byte, 32)
shortCiphertext := []byte("short")
_, err := Decrypt(shortCiphertext, key)
assert.Error(t, err)
assert.Contains(t, err.Error(), "too short")
}
func TestCiphertextDiffersFromPlaintext(t *testing.T) {
key := make([]byte, 32)
plaintext := []byte("Hello, world!")
ciphertext, err := Encrypt(plaintext, key)
assert.NoError(t, err)
assert.NotEqual(t, plaintext, ciphertext)
}
func TestEncryptNonceError(t *testing.T) {
key := make([]byte, 32)
plaintext := []byte("test")
// Replace the rand.Reader with our mock reader
oldReader := rand.Reader
rand.Reader = &mockReader{}
defer func() { rand.Reader = oldReader }()
_, err := Encrypt(plaintext, key)
assert.Error(t, err)
}
func TestDecryptInvalidKeySize(t *testing.T) {
key := make([]byte, 16) // Wrong size
ciphertext := []byte("test")
_, err := Decrypt(ciphertext, key)
assert.Error(t, err)
}

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// Package lthn implements the LTHN quasi-salted hash algorithm (RFC-0004).
//
// LTHN produces deterministic, verifiable hashes without requiring separate salt
// storage. The salt is derived from the input itself through:
// 1. Reversing the input string
// 2. Applying "leet speak" style character substitutions
//
// The final hash is: SHA256(input || derived_salt)
//
// This is suitable for content identifiers, cache keys, and deduplication.
// NOT suitable for password hashing - use bcrypt, Argon2, or scrypt instead.
//
// Example:
//
// hash := lthn.Hash("hello")
// valid := lthn.Verify("hello", hash) // true
package lthn
import (
"crypto/sha256"
"encoding/hex"
)
// keyMap defines the character substitutions for quasi-salt derivation.
// These are inspired by "leet speak" conventions for letter-number substitution.
// The mapping is bidirectional for most characters but NOT fully symmetric.
var keyMap = map[rune]rune{
'o': '0', // letter O -> zero
'l': '1', // letter L -> one
'e': '3', // letter E -> three
'a': '4', // letter A -> four
's': 'z', // letter S -> Z
't': '7', // letter T -> seven
'0': 'o', // zero -> letter O
'1': 'l', // one -> letter L
'3': 'e', // three -> letter E
'4': 'a', // four -> letter A
'7': 't', // seven -> letter T
}
// SetKeyMap replaces the default character substitution map.
// Use this to customize the quasi-salt derivation for specific applications.
// Changes affect all subsequent Hash and Verify calls.
func SetKeyMap(newKeyMap map[rune]rune) {
keyMap = newKeyMap
}
// GetKeyMap returns the current character substitution map.
func GetKeyMap() map[rune]rune {
return keyMap
}
// Hash computes the LTHN hash of the input string.
//
// The algorithm:
// 1. Derive a quasi-salt by reversing the input and applying character substitutions
// 2. Concatenate: input + salt
// 3. Compute SHA-256 of the concatenated string
// 4. Return the hex-encoded digest (64 characters, lowercase)
//
// The same input always produces the same hash, enabling verification
// without storing a separate salt value.
func Hash(input string) string {
salt := createSalt(input)
hash := sha256.Sum256([]byte(input + salt))
return hex.EncodeToString(hash[:])
}
// createSalt derives a quasi-salt by reversing the input and applying substitutions.
// For example: "hello" -> reversed "olleh" -> substituted "011eh"
func createSalt(input string) string {
if input == "" {
return ""
}
runes := []rune(input)
salt := make([]rune, len(runes))
for i := 0; i < len(runes); i++ {
char := runes[len(runes)-1-i]
if replacement, ok := keyMap[char]; ok {
salt[i] = replacement
} else {
salt[i] = char
}
}
return string(salt)
}
// Verify checks if an input string produces the given hash.
// Returns true if Hash(input) equals the provided hash value.
// Uses direct string comparison - for security-critical applications,
// consider using constant-time comparison.
func Verify(input string, hash string) bool {
return Hash(input) == hash
}

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package lthn
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestCreateSalt_Good(t *testing.T) {
// "hello" reversed: "olleh" -> "0113h"
expected := "0113h"
actual := createSalt("hello")
assert.Equal(t, expected, actual, "Salt should be correctly created for 'hello'")
}
func TestCreateSalt_Bad(t *testing.T) {
// Test with an empty string
expected := ""
actual := createSalt("")
assert.Equal(t, expected, actual, "Salt for an empty string should be empty")
}
func TestCreateSalt_Ugly(t *testing.T) {
// Test with characters not in the keyMap
input := "world123"
// "world123" reversed: "321dlrow" -> "e2ld1r0w"
expected := "e2ld1r0w"
actual := createSalt(input)
assert.Equal(t, expected, actual, "Salt should handle characters not in the keyMap")
// Test with only characters in the keyMap
input = "oleta"
// "oleta" reversed: "atelo" -> "47310"
expected = "47310"
actual = createSalt(input)
assert.Equal(t, expected, actual, "Salt should correctly handle strings with only keyMap characters")
}

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package lthn
import (
"sync"
"testing"
"github.com/stretchr/testify/assert"
)
var testKeyMapMu sync.Mutex
func TestSetKeyMap(t *testing.T) {
testKeyMapMu.Lock()
originalKeyMap := GetKeyMap()
t.Cleanup(func() {
SetKeyMap(originalKeyMap)
testKeyMapMu.Unlock()
})
newKeyMap := map[rune]rune{
'a': 'b',
}
SetKeyMap(newKeyMap)
assert.Equal(t, newKeyMap, GetKeyMap())
}

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package lthn
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestHash(t *testing.T) {
hash := Hash("hello")
assert.NotEmpty(t, hash)
}
func TestVerify(t *testing.T) {
hash := Hash("hello")
assert.True(t, Verify("hello", hash))
assert.False(t, Verify("world", hash))
}

206
pkg/crypt/std/pgp/pgp.go Normal file
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package pgp
import (
"bytes"
"fmt"
"io"
"github.com/ProtonMail/go-crypto/openpgp"
"github.com/ProtonMail/go-crypto/openpgp/armor"
)
// Service is a service for PGP operations.
type Service struct{}
var (
openpgpNewEntity = openpgp.NewEntity
openpgpReadArmoredKeyRing = openpgp.ReadArmoredKeyRing
openpgpEncrypt = openpgp.Encrypt
openpgpReadMessage = openpgp.ReadMessage
openpgpArmoredDetachSign = openpgp.ArmoredDetachSign
openpgpCheckArmoredDetachedSignature = openpgp.CheckArmoredDetachedSignature
openpgpSymmetricallyEncrypt = openpgp.SymmetricallyEncrypt
armorEncode = armor.Encode
)
// NewService creates a new PGP Service.
func NewService() *Service {
return &Service{}
}
// GenerateKeyPair generates a new PGP key pair.
func (s *Service) GenerateKeyPair(name, email, comment string) (publicKey, privateKey []byte, err error) {
entity, err := openpgpNewEntity(name, comment, email, nil)
if err != nil {
return nil, nil, fmt.Errorf("failed to create new entity: %w", err)
}
// Sign all the identities
for _, id := range entity.Identities {
_ = id.SelfSignature.SignUserId(id.UserId.Id, entity.PrimaryKey, entity.PrivateKey, nil)
}
// Public Key
pubKeyBuf := new(bytes.Buffer)
pubKeyWriter, err := armorEncode(pubKeyBuf, openpgp.PublicKeyType, nil)
if err != nil {
return nil, nil, fmt.Errorf("failed to create armored public key writer: %w", err)
}
defer pubKeyWriter.Close()
if err := entity.Serialize(pubKeyWriter); err != nil {
return nil, nil, fmt.Errorf("failed to serialize public key: %w", err)
}
// a tricky little bastard, this one. without closing the writer, the buffer is empty.
pubKeyWriter.Close()
// Private Key
privKeyBuf := new(bytes.Buffer)
privKeyWriter, err := armorEncode(privKeyBuf, openpgp.PrivateKeyType, nil)
if err != nil {
return nil, nil, fmt.Errorf("failed to create armored private key writer: %w", err)
}
defer privKeyWriter.Close()
if err := entity.SerializePrivate(privKeyWriter, nil); err != nil {
return nil, nil, fmt.Errorf("failed to serialize private key: %w", err)
}
// a tricky little bastard, this one. without closing the writer, the buffer is empty.
privKeyWriter.Close()
return pubKeyBuf.Bytes(), privKeyBuf.Bytes(), nil
}
// Encrypt encrypts data with a public key.
func (s *Service) Encrypt(publicKey, data []byte) ([]byte, error) {
pubKeyReader := bytes.NewReader(publicKey)
keyring, err := openpgpReadArmoredKeyRing(pubKeyReader)
if err != nil {
return nil, fmt.Errorf("failed to read public key ring: %w", err)
}
buf := new(bytes.Buffer)
w, err := openpgpEncrypt(buf, keyring, nil, nil, nil)
if err != nil {
return nil, fmt.Errorf("failed to create encryption writer: %w", err)
}
defer w.Close()
_, err = w.Write(data)
if err != nil {
return nil, fmt.Errorf("failed to write data to encryption writer: %w", err)
}
w.Close()
return buf.Bytes(), nil
}
// Decrypt decrypts data with a private key.
func (s *Service) Decrypt(privateKey, ciphertext []byte) ([]byte, error) {
privKeyReader := bytes.NewReader(privateKey)
keyring, err := openpgpReadArmoredKeyRing(privKeyReader)
if err != nil {
return nil, fmt.Errorf("failed to read private key ring: %w", err)
}
buf := bytes.NewReader(ciphertext)
md, err := openpgpReadMessage(buf, keyring, nil, nil)
if err != nil {
return nil, fmt.Errorf("failed to read message: %w", err)
}
plaintext, err := io.ReadAll(md.UnverifiedBody)
if err != nil {
return nil, fmt.Errorf("failed to read plaintext: %w", err)
}
return plaintext, nil
}
// Sign creates a detached signature for a message.
func (s *Service) Sign(privateKey, data []byte) ([]byte, error) {
privKeyReader := bytes.NewReader(privateKey)
keyring, err := openpgpReadArmoredKeyRing(privKeyReader)
if err != nil {
return nil, fmt.Errorf("failed to read private key ring: %w", err)
}
signer := keyring[0]
if signer.PrivateKey == nil {
return nil, fmt.Errorf("private key not found in keyring")
}
buf := new(bytes.Buffer)
err = openpgpArmoredDetachSign(buf, signer, bytes.NewReader(data), nil)
if err != nil {
return nil, fmt.Errorf("failed to sign message: %w", err)
}
return buf.Bytes(), nil
}
// Verify verifies a detached signature for a message.
func (s *Service) Verify(publicKey, data, signature []byte) error {
pubKeyReader := bytes.NewReader(publicKey)
keyring, err := openpgpReadArmoredKeyRing(pubKeyReader)
if err != nil {
return fmt.Errorf("failed to read public key ring: %w", err)
}
_, err = openpgpCheckArmoredDetachedSignature(keyring, bytes.NewReader(data), bytes.NewReader(signature), nil)
if err != nil {
return fmt.Errorf("failed to verify signature: %w", err)
}
return nil
}
// SymmetricallyEncrypt encrypts data with a passphrase.
func (s *Service) SymmetricallyEncrypt(passphrase, data []byte) ([]byte, error) {
if len(passphrase) == 0 {
return nil, fmt.Errorf("passphrase cannot be empty")
}
buf := new(bytes.Buffer)
w, err := openpgpSymmetricallyEncrypt(buf, passphrase, nil, nil)
if err != nil {
return nil, fmt.Errorf("failed to create symmetric encryption writer: %w", err)
}
defer w.Close()
_, err = w.Write(data)
if err != nil {
return nil, fmt.Errorf("failed to write data to symmetric encryption writer: %w", err)
}
w.Close()
return buf.Bytes(), nil
}
// SymmetricallyDecrypt decrypts data with a passphrase.
func (s *Service) SymmetricallyDecrypt(passphrase, ciphertext []byte) ([]byte, error) {
if len(passphrase) == 0 {
return nil, fmt.Errorf("passphrase cannot be empty")
}
buf := bytes.NewReader(ciphertext)
failed := false
prompt := func(keys []openpgp.Key, symmetric bool) ([]byte, error) {
if failed {
return nil, fmt.Errorf("decryption failed")
}
failed = true
return passphrase, nil
}
md, err := openpgpReadMessage(buf, nil, prompt, nil)
if err != nil {
return nil, fmt.Errorf("failed to read message: %w", err)
}
plaintext, err := io.ReadAll(md.UnverifiedBody)
if err != nil {
return nil, fmt.Errorf("failed to read plaintext: %w", err)
}
return plaintext, nil
}

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package pgp
import (
"errors"
"io"
"testing"
"github.com/ProtonMail/go-crypto/openpgp"
"github.com/ProtonMail/go-crypto/openpgp/packet"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestService_GenerateKeyPair_Good(t *testing.T) {
s := NewService()
pub, priv, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err, "failed to generate key pair")
assert.NotNil(t, pub, "public key is nil")
assert.NotNil(t, priv, "private key is nil")
}
func TestService_GenerateKeyPair_Bad(t *testing.T) {
s := NewService()
// Test with invalid name (null byte)
_, _, err := s.GenerateKeyPair("test\x00", "test@test.com", "test")
assert.Error(t, err)
}
func TestService_Encrypt_Good(t *testing.T) {
s := NewService()
pub, _, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err, "failed to generate key pair")
assert.NotNil(t, pub, "public key is nil")
data := []byte("hello world")
encrypted, err := s.Encrypt(pub, data)
require.NoError(t, err, "failed to encrypt data")
assert.NotNil(t, encrypted, "encrypted data is nil")
}
func TestService_SymmetricallyEncrypt_Bad(t *testing.T) {
s := NewService()
// Test with empty passphrase
_, err := s.SymmetricallyEncrypt([]byte(""), []byte("hello world"))
assert.Error(t, err)
}
func TestService_SymmetricallyDecrypt_Good(t *testing.T) {
s := NewService()
passphrase := []byte("hello world")
data := []byte("hello world")
encrypted, err := s.SymmetricallyEncrypt(passphrase, data)
require.NoError(t, err, "failed to encrypt data")
assert.NotNil(t, encrypted, "encrypted data is nil")
decrypted, err := s.SymmetricallyDecrypt(passphrase, encrypted)
require.NoError(t, err, "failed to decrypt data")
assert.Equal(t, data, decrypted, "decrypted data does not match original")
}
func TestService_SymmetricallyDecrypt_Bad(t *testing.T) {
s := NewService()
// Test with empty passphrase
_, err := s.SymmetricallyDecrypt([]byte(""), []byte("hello world"))
assert.Error(t, err)
// Test with wrong passphrase
passphrase := []byte("hello world")
data := []byte("hello world")
encrypted, err := s.SymmetricallyEncrypt(passphrase, data)
require.NoError(t, err, "failed to encrypt data")
_, err = s.SymmetricallyDecrypt([]byte("wrong passphrase"), encrypted)
assert.Error(t, err)
// Test with bad encrypted data
_, err = s.SymmetricallyDecrypt(passphrase, []byte("bad encrypted data"))
assert.Error(t, err)
// Test with corrupt body
pub3, priv3, err := s.GenerateKeyPair("test3", "test3@test.com", "test3")
require.NoError(t, err)
encrypted3, err := s.Encrypt(pub3, []byte("hello world"))
require.NoError(t, err)
encrypted3[len(encrypted3)-1] ^= 0x01
_, err = s.Decrypt(priv3, encrypted3)
assert.Error(t, err)
}
func TestService_Encrypt_Bad(t *testing.T) {
s := NewService()
_, err := s.Encrypt([]byte("bad key"), []byte("hello world"))
assert.Error(t, err)
}
func TestService_Decrypt_Good(t *testing.T) {
s := NewService()
pub, priv, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err, "failed to generate key pair")
assert.NotNil(t, pub, "public key is nil")
assert.NotNil(t, priv, "private key is nil")
data := []byte("hello world")
encrypted, err := s.Encrypt(pub, data)
require.NoError(t, err, "failed to encrypt data")
assert.NotNil(t, encrypted, "encrypted data is nil")
decrypted, err := s.Decrypt(priv, encrypted)
require.NoError(t, err, "failed to decrypt data")
assert.Equal(t, data, decrypted, "decrypted data does not match original")
}
func TestService_Decrypt_Bad(t *testing.T) {
s := NewService()
_, err := s.Decrypt([]byte("bad key"), []byte("hello world"))
assert.Error(t, err)
pub, _, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err)
_, priv2, err := s.GenerateKeyPair("test2", "test2@test.com", "test2")
require.NoError(t, err)
encrypted, err := s.Encrypt(pub, []byte("hello world"))
require.NoError(t, err)
_, err = s.Decrypt(priv2, encrypted)
assert.Error(t, err)
_, err = s.Decrypt(priv2, []byte("bad encrypted data"))
assert.Error(t, err)
// Test with corrupt body
pub3, priv3, err := s.GenerateKeyPair("test3", "test3@test.com", "test3")
require.NoError(t, err)
encrypted3, err := s.Encrypt(pub3, []byte("hello world"))
require.NoError(t, err)
encrypted3[len(encrypted3)-1] ^= 0x01
_, err = s.Decrypt(priv3, encrypted3)
assert.Error(t, err)
}
func TestService_Sign_Good(t *testing.T) {
s := NewService()
_, priv, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err, "failed to generate key pair")
assert.NotNil(t, priv, "private key is nil")
data := []byte("hello world")
signature, err := s.Sign(priv, data)
require.NoError(t, err, "failed to sign data")
assert.NotNil(t, signature, "signature is nil")
}
func TestService_Sign_Bad(t *testing.T) {
s := NewService()
_, err := s.Sign([]byte("bad key"), []byte("hello world"))
assert.Error(t, err)
// Test with public key (no private key)
pub, _, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err)
_, err = s.Sign(pub, []byte("hello world"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "private key not found")
}
func TestService_Verify_Good(t *testing.T) {
s := NewService()
pub, priv, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err, "failed to generate key pair")
assert.NotNil(t, pub, "public key is nil")
assert.NotNil(t, priv, "private key is nil")
data := []byte("hello world")
signature, err := s.Sign(priv, data)
require.NoError(t, err, "failed to sign data")
assert.NotNil(t, signature, "signature is nil")
err = s.Verify(pub, data, signature)
require.NoError(t, err, "failed to verify signature")
}
func TestService_Verify_Bad(t *testing.T) {
s := NewService()
err := s.Verify([]byte("bad key"), []byte("hello world"), []byte("bad signature"))
assert.Error(t, err)
_, priv, err := s.GenerateKeyPair("test", "test@test.com", "test")
require.NoError(t, err)
pub2, _, err := s.GenerateKeyPair("test2", "test2@test.com", "test2")
require.NoError(t, err)
signature, err := s.Sign(priv, []byte("hello world"))
require.NoError(t, err)
err = s.Verify(pub2, []byte("hello world"), signature)
assert.Error(t, err)
}
func TestService_SymmetricallyEncrypt_Good(t *testing.T) {
s := NewService()
passphrase := []byte("hello world")
data := []byte("hello world")
encrypted, err := s.SymmetricallyEncrypt(passphrase, data)
require.NoError(t, err, "failed to encrypt data")
assert.NotNil(t, encrypted, "encrypted data is nil")
}
// Mock testing infrastructure
type mockWriteCloser struct {
writeFunc func(p []byte) (n int, err error)
closeFunc func() error
}
func (m *mockWriteCloser) Write(p []byte) (n int, err error) {
if m.writeFunc != nil {
return m.writeFunc(p)
}
return len(p), nil
}
func (m *mockWriteCloser) Close() error {
if m.closeFunc != nil {
return m.closeFunc()
}
return nil
}
type mockReader struct {
readFunc func(p []byte) (n int, err error)
}
func (m *mockReader) Read(p []byte) (n int, err error) {
if m.readFunc != nil {
return m.readFunc(p)
}
return 0, io.EOF
}
func TestService_GenerateKeyPair_MockErrors(t *testing.T) {
s := NewService()
origNewEntity := openpgpNewEntity
origArmorEncode := armorEncode
defer func() {
openpgpNewEntity = origNewEntity
armorEncode = origArmorEncode
}()
// 1. Mock NewEntity error
openpgpNewEntity = func(name, comment, email string, config *packet.Config) (*openpgp.Entity, error) {
return nil, errors.New("mock new entity error")
}
_, _, err := s.GenerateKeyPair("test", "test", "test")
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock new entity error")
openpgpNewEntity = origNewEntity // restore
// 2. Mock armorEncode error (public key)
armorEncode = func(out io.Writer, typeStr string, headers map[string]string) (io.WriteCloser, error) {
if typeStr == openpgp.PublicKeyType {
return nil, errors.New("mock armor pub error")
}
return origArmorEncode(out, typeStr, headers)
}
_, _, err = s.GenerateKeyPair("test", "test", "test")
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock armor pub error")
armorEncode = origArmorEncode // restore
// 3. Mock armorEncode error (private key)
armorEncode = func(out io.Writer, typeStr string, headers map[string]string) (io.WriteCloser, error) {
if typeStr == openpgp.PrivateKeyType {
return nil, errors.New("mock armor priv error")
}
return origArmorEncode(out, typeStr, headers)
}
_, _, err = s.GenerateKeyPair("test", "test", "test")
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock armor priv error")
armorEncode = origArmorEncode // restore
// 4. Mock Serialize error (via Write failure)
// We need armorEncode to return a writer that fails on Write
armorEncode = func(out io.Writer, typeStr string, headers map[string]string) (io.WriteCloser, error) {
if typeStr == openpgp.PublicKeyType {
return &mockWriteCloser{
writeFunc: func(p []byte) (n int, err error) {
return 0, errors.New("mock write pub error")
},
}, nil
}
return origArmorEncode(out, typeStr, headers)
}
_, _, err = s.GenerateKeyPair("test", "test", "test")
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock write pub error")
armorEncode = origArmorEncode // restore
// 5. Mock SerializePrivate error (via Write failure)
armorEncode = func(out io.Writer, typeStr string, headers map[string]string) (io.WriteCloser, error) {
if typeStr == openpgp.PrivateKeyType {
return &mockWriteCloser{
writeFunc: func(p []byte) (n int, err error) {
return 0, errors.New("mock write priv error")
},
}, nil
}
return origArmorEncode(out, typeStr, headers)
}
_, _, err = s.GenerateKeyPair("test", "test", "test")
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock write priv error")
armorEncode = origArmorEncode // restore
}
func TestService_Encrypt_MockErrors(t *testing.T) {
s := NewService()
pub, _, err := s.GenerateKeyPair("test", "test", "test")
require.NoError(t, err)
origEncrypt := openpgpEncrypt
defer func() { openpgpEncrypt = origEncrypt }()
// 1. Mock Encrypt error
openpgpEncrypt = func(ciphertext io.Writer, to []*openpgp.Entity, signed *openpgp.Entity, hints *openpgp.FileHints, config *packet.Config) (io.WriteCloser, error) {
return nil, errors.New("mock encrypt error")
}
_, err = s.Encrypt(pub, []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock encrypt error")
// 2. Mock Write error
openpgpEncrypt = func(ciphertext io.Writer, to []*openpgp.Entity, signed *openpgp.Entity, hints *openpgp.FileHints, config *packet.Config) (io.WriteCloser, error) {
return &mockWriteCloser{
writeFunc: func(p []byte) (n int, err error) {
return 0, errors.New("mock write data error")
},
}, nil
}
_, err = s.Encrypt(pub, []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock write data error")
}
func TestService_Sign_MockErrors(t *testing.T) {
s := NewService()
_, priv, err := s.GenerateKeyPair("test", "test", "test")
require.NoError(t, err)
origSign := openpgpArmoredDetachSign
defer func() { openpgpArmoredDetachSign = origSign }()
// Mock Sign error
openpgpArmoredDetachSign = func(w io.Writer, signer *openpgp.Entity, message io.Reader, config *packet.Config) error {
return errors.New("mock sign error")
}
_, err = s.Sign(priv, []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock sign error")
}
func TestService_SymmetricallyEncrypt_MockErrors(t *testing.T) {
s := NewService()
origSymEncrypt := openpgpSymmetricallyEncrypt
defer func() { openpgpSymmetricallyEncrypt = origSymEncrypt }()
// 1. Mock Sym Encrypt error
openpgpSymmetricallyEncrypt = func(ciphertext io.Writer, passphrase []byte, hints *openpgp.FileHints, config *packet.Config) (io.WriteCloser, error) {
return nil, errors.New("mock sym encrypt error")
}
_, err := s.SymmetricallyEncrypt([]byte("pass"), []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock sym encrypt error")
// 2. Mock Write error
openpgpSymmetricallyEncrypt = func(ciphertext io.Writer, passphrase []byte, hints *openpgp.FileHints, config *packet.Config) (io.WriteCloser, error) {
return &mockWriteCloser{
writeFunc: func(p []byte) (n int, err error) {
return 0, errors.New("mock sym write error")
},
}, nil
}
_, err = s.SymmetricallyEncrypt([]byte("pass"), []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock sym write error")
}
func TestService_SymmetricallyDecrypt_MockErrors(t *testing.T) {
s := NewService()
pass := []byte("pass")
origReadMessage := openpgpReadMessage
defer func() { openpgpReadMessage = origReadMessage }()
// Mock ReadMessage error
openpgpReadMessage = func(r io.Reader, keyring openpgp.KeyRing, prompt openpgp.PromptFunction, config *packet.Config) (*openpgp.MessageDetails, error) {
return nil, errors.New("mock read message error")
}
_, err := s.SymmetricallyDecrypt(pass, []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock read message error")
// Mock ReadAll error (via ReadMessage returning bad body)
openpgpReadMessage = func(r io.Reader, keyring openpgp.KeyRing, prompt openpgp.PromptFunction, config *packet.Config) (*openpgp.MessageDetails, error) {
// We need to return a message with UnverifiedBody that fails on Read
return &openpgp.MessageDetails{
UnverifiedBody: &mockReader{
readFunc: func(p []byte) (n int, err error) {
return 0, errors.New("mock read body error")
},
},
}, nil
}
_, err = s.SymmetricallyDecrypt(pass, []byte("data"))
assert.Error(t, err)
assert.Contains(t, err.Error(), "mock read body error")
}

91
pkg/crypt/std/rsa/rsa.go Normal file
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@ -0,0 +1,91 @@
package rsa
import (
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"encoding/pem"
"fmt"
)
// Service provides RSA functionality.
type Service struct{}
// NewService creates and returns a new Service instance for performing RSA-related operations.
func NewService() *Service {
return &Service{}
}
// GenerateKeyPair creates a new RSA key pair.
func (s *Service) GenerateKeyPair(bits int) (publicKey, privateKey []byte, err error) {
if bits < 2048 {
return nil, nil, fmt.Errorf("rsa: key size too small: %d (minimum 2048)", bits)
}
privKey, err := rsa.GenerateKey(rand.Reader, bits)
if err != nil {
return nil, nil, fmt.Errorf("failed to generate private key: %w", err)
}
privKeyBytes := x509.MarshalPKCS1PrivateKey(privKey)
privKeyPEM := pem.EncodeToMemory(&pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: privKeyBytes,
})
pubKeyBytes, err := x509.MarshalPKIXPublicKey(&privKey.PublicKey)
if err != nil {
return nil, nil, fmt.Errorf("failed to marshal public key: %w", err)
}
pubKeyPEM := pem.EncodeToMemory(&pem.Block{
Type: "PUBLIC KEY",
Bytes: pubKeyBytes,
})
return pubKeyPEM, privKeyPEM, nil
}
// Encrypt encrypts data with a public key.
func (s *Service) Encrypt(publicKey, data, label []byte) ([]byte, error) {
block, _ := pem.Decode(publicKey)
if block == nil {
return nil, fmt.Errorf("failed to decode public key")
}
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, fmt.Errorf("failed to parse public key: %w", err)
}
rsaPub, ok := pub.(*rsa.PublicKey)
if !ok {
return nil, fmt.Errorf("not an RSA public key")
}
ciphertext, err := rsa.EncryptOAEP(sha256.New(), rand.Reader, rsaPub, data, label)
if err != nil {
return nil, fmt.Errorf("failed to encrypt data: %w", err)
}
return ciphertext, nil
}
// Decrypt decrypts data with a private key.
func (s *Service) Decrypt(privateKey, ciphertext, label []byte) ([]byte, error) {
block, _ := pem.Decode(privateKey)
if block == nil {
return nil, fmt.Errorf("failed to decode private key")
}
priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, fmt.Errorf("failed to parse private key: %w", err)
}
plaintext, err := rsa.DecryptOAEP(sha256.New(), rand.Reader, priv, ciphertext, label)
if err != nil {
return nil, fmt.Errorf("failed to decrypt data: %w", err)
}
return plaintext, nil
}

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