diff options
Diffstat (limited to 'internal/cryptocore')
| -rw-r--r-- | internal/cryptocore/cryptocore.go | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/internal/cryptocore/cryptocore.go b/internal/cryptocore/cryptocore.go index 48386f8..36c9d93 100644 --- a/internal/cryptocore/cryptocore.go +++ b/internal/cryptocore/cryptocore.go @@ -28,28 +28,36 @@ const ( // AEADTypeEnum indicates the type of AEAD backend in use. type AEADTypeEnum struct { - Name string + // Algo is the encryption algorithm. Example: "AES-GCM-256" + Algo string + // Lib is the library where Algo is implemented. Either "Go" or "OpenSSL". + Lib string NonceSize int } +// String returns something like "AES-GCM-256-OpenSSL" +func (a AEADTypeEnum) String() string { + return a.Algo + "-" + a.Lib +} + // BackendOpenSSL specifies the OpenSSL AES-256-GCM backend. // "AES-GCM-256-OpenSSL" in gocryptfs -speed. -var BackendOpenSSL AEADTypeEnum = AEADTypeEnum{"AES-GCM-256-OpenSSL", 16} +var BackendOpenSSL AEADTypeEnum = AEADTypeEnum{"AES-GCM-256", "OpenSSL", 16} // BackendGoGCM specifies the Go based AES-256-GCM backend. // "AES-GCM-256-Go" in gocryptfs -speed. -var BackendGoGCM AEADTypeEnum = AEADTypeEnum{"AES-GCM-256-Go", 16} +var BackendGoGCM AEADTypeEnum = AEADTypeEnum{"AES-GCM-256", "Go", 16} // BackendAESSIV specifies an AESSIV backend. // "AES-SIV-512-Go" in gocryptfs -speed. -var BackendAESSIV AEADTypeEnum = AEADTypeEnum{"AES-SIV-512-Go", siv_aead.NonceSize} +var BackendAESSIV AEADTypeEnum = AEADTypeEnum{"AES-SIV-512", "Go", siv_aead.NonceSize} // BackendXChaCha20Poly1305 specifies XChaCha20-Poly1305-Go. // "XChaCha20-Poly1305-Go" in gocryptfs -speed. -var BackendXChaCha20Poly1305 AEADTypeEnum = AEADTypeEnum{"XChaCha20-Poly1305-Go", chacha20poly1305.NonceSizeX} +var BackendXChaCha20Poly1305 AEADTypeEnum = AEADTypeEnum{"XChaCha20-Poly1305", "Go", chacha20poly1305.NonceSizeX} // BackendXChaCha20Poly1305OpenSSL specifies XChaCha20-Poly1305-OpenSSL. -var BackendXChaCha20Poly1305OpenSSL AEADTypeEnum = AEADTypeEnum{"XChaCha20-Poly1305-OpenSSL", chacha20poly1305.NonceSizeX} +var BackendXChaCha20Poly1305OpenSSL AEADTypeEnum = AEADTypeEnum{"XChaCha20-Poly1305", "OpenSSL", chacha20poly1305.NonceSizeX} // CryptoCore is the low level crypto implementation. type CryptoCore struct { @@ -176,7 +184,7 @@ func New(key []byte, aeadType AEADTypeEnum, IVBitLen int, useHKDF bool) *CryptoC log.Panic(err) } } else { - log.Panicf("unknown cipher backend %q", aeadType.Name) + log.Panicf("unknown cipher backend %q", aeadType) } if aeadCipher.NonceSize()*8 != IVBitLen { @@ -205,7 +213,7 @@ type wiper interface { func (c *CryptoCore) Wipe() { be := c.AEADBackend if be == BackendOpenSSL || be == BackendAESSIV { - tlog.Debug.Printf("CryptoCore.Wipe: Wiping AEADBackend %s key", be.Name) + tlog.Debug.Printf("CryptoCore.Wipe: Wiping AEADBackend %q key", be) // We don't use "x, ok :=" because we *want* to crash loudly if the // type assertion fails. w := c.AEADCipher.(wiper) |