diff options
Diffstat (limited to 'src/lib/modes/aead/ocb')
| -rw-r--r-- | src/lib/modes/aead/ocb/ocb.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/lib/modes/aead/ocb/ocb.cpp b/src/lib/modes/aead/ocb/ocb.cpp index 23af75e8f..317b417b3 100644 --- a/src/lib/modes/aead/ocb/ocb.cpp +++ b/src/lib/modes/aead/ocb/ocb.cpp @@ -171,11 +171,13 @@ OCB_Mode::OCB_Mode(BlockCipher* cipher, size_t tag_size) : * sizes but only 128, 192, 256 and 512 bit are currently supported * by this implementation. */ - if(BS != 16 && BS != 24 && BS != 32 && BS != 64) - throw Invalid_Argument("OCB does not support cipher " + m_cipher->name()); + BOTAN_ARG_CHECK(BS == 16 || BS == 24 || BS == 32 || BS == 64, + "Invalid block size for OCB"); - if(m_tag_size % 4 != 0 || m_tag_size < 8 || m_tag_size > BS || m_tag_size > 32) - throw Invalid_Argument("Invalid OCB tag length"); + BOTAN_ARG_CHECK(m_tag_size % 4 == 0 && + m_tag_size >= 8 && m_tag_size <= BS && + m_tag_size <= 32, + "Invalid OCB tag length"); } OCB_Mode::~OCB_Mode() { /* for unique_ptr destructor */ } |