diff options
Diffstat (limited to 'botan/src/hash/sha2/sha2_64.h')
-rw-r--r-- | botan/src/hash/sha2/sha2_64.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/botan/src/hash/sha2/sha2_64.h b/botan/src/hash/sha2/sha2_64.h new file mode 100644 index 0000000..dcc6dc8 --- /dev/null +++ b/botan/src/hash/sha2/sha2_64.h @@ -0,0 +1,60 @@ +/* +* SHA-{384,512} +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_SHA_64BIT_H__ +#define BOTAN_SHA_64BIT_H__ + +#include <botan/mdx_hash.h> + +namespace Botan { + +/* +* SHA-{384,512} Base +*/ +class BOTAN_DLL SHA_384_512_BASE : public MDx_HashFunction + { + protected: + void clear() throw(); + + SHA_384_512_BASE(u32bit out) : + MDx_HashFunction(out, 128, true, true, 16) {} + + SecureBuffer<u64bit, 8> digest; + private: + void compress_n(const byte[], u32bit blocks); + void copy_out(byte[]); + + SecureBuffer<u64bit, 80> W; + }; + +/* +* SHA-384 +*/ +class BOTAN_DLL SHA_384 : public SHA_384_512_BASE + { + public: + void clear() throw(); + std::string name() const { return "SHA-384"; } + HashFunction* clone() const { return new SHA_384; } + SHA_384() : SHA_384_512_BASE(48) { clear(); } + }; + +/* +* SHA-512 +*/ +class BOTAN_DLL SHA_512 : public SHA_384_512_BASE + { + public: + void clear() throw(); + std::string name() const { return "SHA-512"; } + HashFunction* clone() const { return new SHA_512; } + SHA_512() : SHA_384_512_BASE(64) { clear(); } + }; + +} + +#endif |