diff options
Diffstat (limited to 'modules/cipher/mars/mars.h')
-rw-r--r-- | modules/cipher/mars/mars.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/modules/cipher/mars/mars.h b/modules/cipher/mars/mars.h new file mode 100644 index 000000000..6e1bc9f34 --- /dev/null +++ b/modules/cipher/mars/mars.h @@ -0,0 +1,36 @@ +/************************************************* +* MARS Header File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#ifndef BOTAN_MARS_H__ +#define BOTAN_MARS_H__ + +#include <botan/base.h> + +namespace Botan { + +class BOTAN_DLL MARS : public BlockCipher + { + public: + void clear() throw() { EK.clear(); } + std::string name() const { return "MARS"; } + BlockCipher* clone() const { return new MARS; } + MARS() : BlockCipher(16, 16, 32, 4) {} + private: + void enc(const byte[], byte[]) const; + void dec(const byte[], byte[]) const; + void key(const byte[], u32bit); + + void encrypt_round(u32bit&, u32bit&, u32bit&, u32bit&, u32bit) const; + void decrypt_round(u32bit&, u32bit&, u32bit&, u32bit&, u32bit) const; + static void forward_mix(u32bit&, u32bit&, u32bit&, u32bit&); + static void reverse_mix(u32bit&, u32bit&, u32bit&, u32bit&); + + static const u32bit SBOX[512]; + SecureBuffer<u32bit, 40> EK; + }; + +} + +#endif |