cli/pkg/crypt/checksum.go
Claude 23b82482f2 refactor: rename module from github.com/host-uk/core to forge.lthn.ai/core/cli
Move module identity to our own Forgejo instance. All import paths
updated across 434 Go files, sub-module go.mod files, and go.work.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-16 05:53:52 +00:00

55 lines
1.4 KiB
Go

package crypt
import (
"crypto/sha256"
"crypto/sha512"
"encoding/hex"
"io"
"os"
core "forge.lthn.ai/core/cli/pkg/framework/core"
)
// SHA256File computes the SHA-256 checksum of a file and returns it as a hex string.
func SHA256File(path string) (string, error) {
f, err := os.Open(path)
if err != nil {
return "", core.E("crypt.SHA256File", "failed to open file", err)
}
defer func() { _ = f.Close() }()
h := sha256.New()
if _, err := io.Copy(h, f); err != nil {
return "", core.E("crypt.SHA256File", "failed to read file", err)
}
return hex.EncodeToString(h.Sum(nil)), nil
}
// SHA512File computes the SHA-512 checksum of a file and returns it as a hex string.
func SHA512File(path string) (string, error) {
f, err := os.Open(path)
if err != nil {
return "", core.E("crypt.SHA512File", "failed to open file", err)
}
defer func() { _ = f.Close() }()
h := sha512.New()
if _, err := io.Copy(h, f); err != nil {
return "", core.E("crypt.SHA512File", "failed to read file", err)
}
return hex.EncodeToString(h.Sum(nil)), nil
}
// SHA256Sum computes the SHA-256 checksum of data and returns it as a hex string.
func SHA256Sum(data []byte) string {
h := sha256.Sum256(data)
return hex.EncodeToString(h[:])
}
// SHA512Sum computes the SHA-512 checksum of data and returns it as a hex string.
func SHA512Sum(data []byte) string {
h := sha512.Sum512(data)
return hex.EncodeToString(h[:])
}