/* sha.hpp * * Copyright (C) 2003 Sawtooth Consulting Ltd. * * This file is part of yaSSL. * * yaSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * yaSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ /* sha.hpp provides SHA-1 digests, see RFC 3174 */ #ifndef TAO_CRYPT_SHA_HPP #define TAO_CRYPT_SHA_HPP #include "hash.hpp" namespace TaoCrypt { // SHA-1 digest class SHA : public HASHwithTransform { public: enum { BLOCK_SIZE = 64, DIGEST_SIZE = 20, PAD_SIZE = 56, TAO_BYTE_ORDER = BigEndianOrder}; // in Bytes SHA() : HASHwithTransform(DIGEST_SIZE / sizeof(word32), BLOCK_SIZE) { Init(); } ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); } word32 getBlockSize() const { return BLOCK_SIZE; } word32 getDigestSize() const { return DIGEST_SIZE; } word32 getPadSize() const { return PAD_SIZE; } void Init(); SHA(const SHA&); SHA& operator= (const SHA&); void Swap(SHA&); private: void Transform(); }; inline void swap(SHA& a, SHA& b) { a.Swap(b); } } // namespace #endif // TAO_CRYPT_SHA_HPP