/************************************************* * SHA-256 Header File * * (C) 1999-2007 The Botan Project * *************************************************/ #ifndef BOTAN_SHA_256_H__ #define BOTAN_SHA_256_H__ #include <botan/mdx_hash.h> namespace Botan { /************************************************* * SHA-256 * *************************************************/ class SHA_256 : public MDx_HashFunction { public: void clear() throw(); std::string name() const { return "SHA-256"; } HashFunction* clone() const { return new SHA_256; } SHA_256() : MDx_HashFunction(32, 64, true, true) { clear(); } private: void hash(const byte[]); void copy_out(byte[]); SecureBuffer<u32bit, 64> W; SecureBuffer<u32bit, 8> digest; }; } #endif