diff options
author | Jack Lloyd <[email protected]> | 2018-09-13 12:16:12 -0400 |
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committer | Jack Lloyd <[email protected]> | 2018-09-13 12:16:12 -0400 |
commit | fd432b5cb33b0277035d7570b18451dfae4a5f2c (patch) | |
tree | 05ff5be9fea4a71d6f7b5e0ff1bf55a02fa522cb /src/lib/block/cast256/cast256.h | |
parent | fb102792aabefabf0e37b0e207f04be2eeedb8c5 (diff) |
Split 'cast' module into CAST-128 and CAST-256
They were only in the same place because of the desire to share
the sbox tables, but that can be handled by adding a dependency.
This makes it possible to disable CAST-256 while leaving CAST-128.
Diffstat (limited to 'src/lib/block/cast256/cast256.h')
-rw-r--r-- | src/lib/block/cast256/cast256.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/lib/block/cast256/cast256.h b/src/lib/block/cast256/cast256.h new file mode 100644 index 000000000..798649ef7 --- /dev/null +++ b/src/lib/block/cast256/cast256.h @@ -0,0 +1,36 @@ +/* +* CAST-256 +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_CAST256_H_ +#define BOTAN_CAST256_H_ + +#include <botan/block_cipher.h> + +namespace Botan { + +/** +* CAST-256 +*/ +class BOTAN_PUBLIC_API(2,0) CAST_256 final : public Block_Cipher_Fixed_Params<16, 4, 32, 4> + { + public: + void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; + void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override; + + void clear() override; + std::string name() const override { return "CAST-256"; } + BlockCipher* clone() const override { return new CAST_256; } + private: + void key_schedule(const uint8_t[], size_t) override; + + secure_vector<uint32_t> m_MK; + secure_vector<uint8_t> m_RK; + }; + +} + +#endif |