diff options
Diffstat (limited to 'src/lib/modes/aead/siv/siv.cpp')
| -rw-r--r-- | src/lib/modes/aead/siv/siv.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/modes/aead/siv/siv.cpp b/src/lib/modes/aead/siv/siv.cpp index 9e638b659..5f8c13f7f 100644 --- a/src/lib/modes/aead/siv/siv.cpp +++ b/src/lib/modes/aead/siv/siv.cpp @@ -18,6 +18,8 @@ SIV_Mode::SIV_Mode(BlockCipher* cipher) : m_ctr(new CTR_BE(cipher->clone())), m_cmac(new CMAC(cipher)) { + if(cipher->block_size() != 16) + throw Invalid_Argument("SIV requires a 128 bit block cipher"); } void SIV_Mode::clear() |