diff options
Diffstat (limited to 'internal/cryptocore/cryptocore.go')
| -rw-r--r-- | internal/cryptocore/cryptocore.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/internal/cryptocore/cryptocore.go b/internal/cryptocore/cryptocore.go index 7cb5c95..db82f56 100644 --- a/internal/cryptocore/cryptocore.go +++ b/internal/cryptocore/cryptocore.go @@ -72,6 +72,10 @@ func New(key []byte, backend BackendTypeEnum, IVBitLen int) *CryptoCore { case BackendGoGCM: aeadCipher, err = goGCMWrapper(blockCipher, IVLen) case BackendAESSIV: + if IVLen != 16 { + // SIV supports any nonce size, but we only use 16. + panic("AES-SIV must use 16-byte nonces") + } // AES-SIV uses 1/2 of the key for authentication, 1/2 for // encryption, so we need a 64-bytes key for AES-256. Derive it from // the master key by hashing it with SHA-512. |