diff options
Diffstat (limited to 'src/lib/stream/stream_cipher.h')
| -rw-r--r-- | src/lib/stream/stream_cipher.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/stream/stream_cipher.h b/src/lib/stream/stream_cipher.h index 03ffcadd0..fee37f4e4 100644 --- a/src/lib/stream/stream_cipher.h +++ b/src/lib/stream/stream_cipher.h @@ -101,6 +101,12 @@ class BOTAN_PUBLIC_API(2,0) StreamCipher : public SymmetricAlgorithm virtual void set_iv(const uint8_t iv[], size_t iv_len) = 0; /** + * Return the default (preferred) nonce length + * If this function returns 0, then this cipher does not support nonces + */ + virtual size_t default_iv_length() const { return 0; } + + /** * @param iv_len the length of the IV in bytes * @return if the length is valid for this algorithm */ |