50 lines
1.8 KiB
Markdown
50 lines
1.8 KiB
Markdown
[](https://pkg.go.dev/forge.lthn.ai/core/go-crypt)
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[](LICENSE.md)
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[](go.mod)
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# go-crypt
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Cryptographic primitives, authentication, and trust policy engine for the Lethean agent platform. Provides symmetric encryption (ChaCha20-Poly1305 and AES-256-GCM with Argon2id KDF), OpenPGP challenge-response authentication with online and air-gapped courier modes, Argon2id password hashing, RSA-OAEP key generation, RFC-0004 deterministic content hashing, and a three-tier agent trust policy engine with an audit log and approval queue.
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**Module**: `forge.lthn.ai/core/go-crypt`
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**Licence**: EUPL-1.2
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**Language**: Go 1.25
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## Quick Start
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```go
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import (
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"forge.lthn.ai/core/go-crypt/crypt"
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"forge.lthn.ai/core/go-crypt/auth"
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"forge.lthn.ai/core/go-crypt/trust"
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)
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// Encrypt with ChaCha20-Poly1305 + Argon2id KDF
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ciphertext, err := crypt.Encrypt(plaintext, passphrase)
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// OpenPGP authentication
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a := auth.New(medium, auth.WithSessionStore(auth.NewSQLiteSessionStore(dbPath)))
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session, err := a.Login(userID, password)
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// Trust policy evaluation
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engine := trust.NewPolicyEngine(registry)
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decision := engine.Evaluate("Charon", "repo.push", "core/go-crypt")
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```
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## Documentation
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- [Architecture](docs/architecture.md) — crypt primitives, auth protocol, trust tiers, policy engine
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- [Development Guide](docs/development.md) — building, testing, security standards
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- [Project History](docs/history.md) — completed phases and known limitations
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## Build & Test
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```bash
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go test ./...
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go test -race ./...
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go build ./...
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```
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## Licence
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European Union Public Licence 1.2 — see [LICENCE](LICENCE) for details.
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