def __init__(self, key): if not backend.aead_cipher_supported(self): raise exceptions.UnsupportedAlgorithm( "ChaCha20Poly1305 is not supported by this version of OpenSSL", exceptions._Reasons.UNSUPPORTED_CIPHER) utils._check_byteslike("key", key) if len(key) != 32: raise ValueError("ChaCha20Poly1305 key must be 32 bytes.") self._key = key
def __init__(self, key: bytes): utils._check_byteslike("key", key) if len(key) not in (16, 24, 32): raise ValueError("AESOCB3 key must be 128, 192, or 256 bits.") self._key = key if not backend.aead_cipher_supported(self): raise exceptions.UnsupportedAlgorithm( "OCB3 is not supported by this version of OpenSSL", exceptions._Reasons.UNSUPPORTED_CIPHER, )
def __init__(self, key): if not backend.aead_cipher_supported(self): raise exceptions.UnsupportedAlgorithm( "ChaCha20Poly1305 is not supported by this version of OpenSSL", exceptions._Reasons.UNSUPPORTED_CIPHER ) utils._check_bytes("key", key) if len(key) != 32: raise ValueError("ChaCha20Poly1305 key must be 32 bytes.") self._key = key
def __init__(self, key: bytes): utils._check_byteslike("key", key) if len(key) not in (32, 48, 64): raise ValueError("AESSIV key must be 256, 384, or 512 bits.") self._key = key if not backend.aead_cipher_supported(self): raise exceptions.UnsupportedAlgorithm( "AES-SIV is not supported by this version of OpenSSL", exceptions._Reasons.UNSUPPORTED_CIPHER, )
def __init__(self, key, tag_length=16): utils._check_byteslike("key", key) if len(key) not in (16, 24, 32): raise ValueError("AESCCM key must be 128, 192, or 256 bits.") self._key = key if not isinstance(tag_length, int): raise TypeError("tag_length must be an integer") if tag_length not in (4, 6, 8, 10, 12, 14, 16): raise ValueError("Invalid tag_length") self._tag_length = tag_length if not backend.aead_cipher_supported(self): raise exceptions.UnsupportedAlgorithm( "AESCCM is not supported by this version of OpenSSL", exceptions._Reasons.UNSUPPORTED_CIPHER)
def __init__(self, key, tag_length=16): utils._check_bytes("key", key) if len(key) not in (16, 24, 32): raise ValueError("AESCCM key must be 128, 192, or 256 bits.") self._key = key if not isinstance(tag_length, int): raise TypeError("tag_length must be an integer") if tag_length not in (4, 6, 8, 12, 14, 16): raise ValueError("Invalid tag_length") self._tag_length = tag_length if not backend.aead_cipher_supported(self): raise exceptions.UnsupportedAlgorithm( "AESCCM is not supported by this version of OpenSSL", exceptions._Reasons.UNSUPPORTED_CIPHER )