diff options
| author | Jack Lloyd <[email protected]> | 2017-10-26 20:31:30 -0400 |
|---|---|---|
| committer | Jack Lloyd <[email protected]> | 2017-10-26 22:26:15 -0400 |
| commit | e6d45052efedfe49e99adb6318aaf56e0a9e8d7b (patch) | |
| tree | c6c3ccd3cff3d04285940bf1d518c809e0653947 /src/lib/block/twofish | |
| parent | 315b002ecf00f6b6bb0f0d5200d1f39a83527e8f (diff) | |
Add checks that keyed algorithms are actually keyed before use
Previously calling update or encrypt without calling set_key first
would result in invalid outputs or else crashing.
Diffstat (limited to 'src/lib/block/twofish')
| -rw-r--r-- | src/lib/block/twofish/twofish.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/block/twofish/twofish.cpp b/src/lib/block/twofish/twofish.cpp index 3a09af8da..496c31a36 100644 --- a/src/lib/block/twofish/twofish.cpp +++ b/src/lib/block/twofish/twofish.cpp @@ -19,6 +19,8 @@ namespace Botan { */ void Twofish::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_SB.empty() == false); + BOTAN_PARALLEL_FOR(size_t i = 0; i < blocks; ++i) { uint32_t A, B, C, D; @@ -70,6 +72,8 @@ void Twofish::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const */ void Twofish::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { + verify_key_set(m_SB.empty() == false); + BOTAN_PARALLEL_FOR(size_t i = 0; i < blocks; ++i) { uint32_t A, B, C, D; |