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Fix GetValue methods to return LockedBuffer internally

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- Changed Secret.GetValue and Version.GetValue to return *memguard.LockedBuffer
- Updated all internal callers to handle LockedBuffer properly
- For backward compatibility, vault.GetSecret still returns []byte but makes a copy
- This ensures secret values are protected in memory during decryption
- Updated tests to handle LockedBuffer returns
- Fixed CLI getSecretValue to use LockedBuffer throughout
This commit is contained in:
Jeffrey Paul
2025-07-15 08:59:23 +02:00
parent 819902f385
commit 8ec3fc877d
6 changed files with 32 additions and 39 deletions
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TODO.md
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@@ -10,10 +10,10 @@ prioritized from most critical (top) to least critical (bottom).
- [x] **1. Secret.Save accepts unprotected data**: `internal/secret/secret.go:67` - `Save(value []byte, force bool)` - ✓ REMOVED - deprecated function deleted
- [x] **2. EncryptWithPassphrase accepts unprotected data**: `internal/secret/crypto.go:73` - `EncryptWithPassphrase(data []byte, passphrase *memguard.LockedBuffer)` - ✓ FIXED - now accepts LockedBuffer for data
- [x] **3. storeInKeychain accepts unprotected data**: `internal/secret/keychainunlocker.go:469` - `storeInKeychain(itemName string, data []byte)` - ✓ FIXED - now accepts LockedBuffer for data
- [ ] **4. gpgEncryptDefault accepts unprotected data**: `internal/secret/pgpunlocker.go:351` - `gpgEncryptDefault(data []byte, keyID string)` - encrypts unprotected data
- [x] **4. gpgEncryptDefault accepts unprotected data**: `internal/secret/pgpunlocker.go:351` - `gpgEncryptDefault(data []byte, keyID string)` - ✓ FIXED - now accepts LockedBuffer for data
### Functions returning unprotected secrets
- [ ] **5. GetValue returns unprotected secret**: `internal/secret/secret.go:93` - `GetValue(unlocker Unlocker) ([]byte, error)` - returns decrypted secret as bare []byte
- [x] **5. GetValue returns unprotected secret**: `internal/secret/secret.go:93` - `GetValue(unlocker Unlocker) ([]byte, error)` - ✓ FIXED - now returns LockedBuffer internally
- [ ] **6. DecryptWithIdentity returns unprotected data**: `internal/secret/crypto.go:57` - `DecryptWithIdentity(data []byte, identity age.Identity) ([]byte, error)` - returns decrypted data unprotected
- [ ] **7. DecryptWithPassphrase returns unprotected data**: `internal/secret/crypto.go:94` - `DecryptWithPassphrase(encryptedData []byte, passphrase *memguard.LockedBuffer) ([]byte, error)` - returns decrypted data unprotected
- [ ] **8. gpgDecryptDefault returns unprotected data**: `internal/secret/pgpunlocker.go:368` - `gpgDecryptDefault(encryptedData []byte) ([]byte, error)` - returns decrypted data unprotected