1 /* 2 Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; version 2 of the License. 7 8 This program is distributed in the hope that it will be useful, 9 but WITHOUT ANY WARRANTY; without even the implied warranty of 10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License 14 along with this program; see the file COPYING. If not, write to the 15 Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, 16 MA 02110-1335 USA. 17 */ 18 19 /* sha.hpp provides SHA-1 digests, see RFC 3174 20 */ 21 22 #ifndef TAO_CRYPT_SHA_HPP 23 #define TAO_CRYPT_SHA_HPP 24 25 #include "hash.hpp" 26 27 28 #if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM) 29 #define DO_SHA_ASM 30 #endif 31 32 namespace TaoCrypt { 33 34 35 // SHA-1 digest 36 class SHA : public HASHwithTransform { 37 public: 38 enum { BLOCK_SIZE = 64, DIGEST_SIZE = 20, PAD_SIZE = 56, 39 TAO_BYTE_ORDER = BigEndianOrder}; // in Bytes 40 SHA() : HASHwithTransform(DIGEST_SIZE / sizeof(word32), BLOCK_SIZE) 41 { Init(); } 42 ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); } 43 word32 getBlockSize() const { return BLOCK_SIZE; } 44 word32 getDigestSize() const { return DIGEST_SIZE; } 45 word32 getPadSize() const { return PAD_SIZE; } 46 47 #ifdef DO_SHA_ASM 48 void Update(const byte* data, word32 len); 49 #endif 50 void Init(); 51 52 SHA(const SHA&); 53 SHA& operator= (const SHA&); 54 55 void Swap(SHA&); 56 private: 57 void Transform(); 58 void AsmTransform(const byte* data, word32 times); 59 }; 60 61 62 inline void swap(SHA& a, SHA& b) 63 { 64 a.Swap(b); 65 } 66 67 // SHA-256 digest 68 class SHA256 : public HASHwithTransform { 69 public: 70 enum { BLOCK_SIZE = 64, DIGEST_SIZE = 32, PAD_SIZE = 56, 71 TAO_BYTE_ORDER = BigEndianOrder}; // in Bytes 72 SHA256() : HASHwithTransform(DIGEST_SIZE / sizeof(word32), BLOCK_SIZE) 73 { Init(); } 74 ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); } 75 word32 getBlockSize() const { return BLOCK_SIZE; } 76 word32 getDigestSize() const { return DIGEST_SIZE; } 77 word32 getPadSize() const { return PAD_SIZE; } 78 79 void Init(); 80 81 SHA256(const SHA256&); 82 SHA256& operator= (const SHA256&); 83 84 void Swap(SHA256&); 85 private: 86 void Transform(); 87 }; 88 89 90 // SHA-224 digest 91 class SHA224 : public HASHwithTransform { 92 public: 93 enum { BLOCK_SIZE = 64, DIGEST_SIZE = 28, PAD_SIZE = 56, 94 TAO_BYTE_ORDER = BigEndianOrder}; // in Bytes 95 SHA224() : HASHwithTransform(SHA256::DIGEST_SIZE /sizeof(word32),BLOCK_SIZE) 96 { Init(); } 97 ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); } 98 word32 getBlockSize() const { return BLOCK_SIZE; } 99 word32 getDigestSize() const { return DIGEST_SIZE; } 100 word32 getPadSize() const { return PAD_SIZE; } 101 102 void Init(); 103 104 SHA224(const SHA224&); 105 SHA224& operator= (const SHA224&); 106 107 void Swap(SHA224&); 108 private: 109 void Transform(); 110 }; 111 112 113 #ifdef WORD64_AVAILABLE 114 115 // SHA-512 digest 116 class SHA512 : public HASH64withTransform { 117 public: 118 enum { BLOCK_SIZE = 128, DIGEST_SIZE = 64, PAD_SIZE = 112, 119 TAO_BYTE_ORDER = BigEndianOrder}; // in Bytes 120 SHA512() : HASH64withTransform(DIGEST_SIZE / sizeof(word64), BLOCK_SIZE) 121 { Init(); } 122 ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); } 123 word32 getBlockSize() const { return BLOCK_SIZE; } 124 word32 getDigestSize() const { return DIGEST_SIZE; } 125 word32 getPadSize() const { return PAD_SIZE; } 126 127 void Init(); 128 129 SHA512(const SHA512&); 130 SHA512& operator= (const SHA512&); 131 132 void Swap(SHA512&); 133 private: 134 void Transform(); 135 }; 136 137 138 // SHA-384 digest 139 class SHA384 : public HASH64withTransform { 140 public: 141 enum { BLOCK_SIZE = 128, DIGEST_SIZE = 48, PAD_SIZE = 112, 142 TAO_BYTE_ORDER = BigEndianOrder}; // in Bytes 143 SHA384() : HASH64withTransform(SHA512::DIGEST_SIZE/ sizeof(word64), 144 BLOCK_SIZE) 145 { Init(); } 146 ByteOrder getByteOrder() const { return ByteOrder(TAO_BYTE_ORDER); } 147 word32 getBlockSize() const { return BLOCK_SIZE; } 148 word32 getDigestSize() const { return DIGEST_SIZE; } 149 word32 getPadSize() const { return PAD_SIZE; } 150 151 void Init(); 152 153 SHA384(const SHA384&); 154 SHA384& operator= (const SHA384&); 155 156 void Swap(SHA384&); 157 private: 158 void Transform(); 159 }; 160 161 enum { MAX_SHA2_DIGEST_SIZE = 64 }; // SHA512 162 163 #else 164 165 enum { MAX_SHA2_DIGEST_SIZE = 32 }; // SHA256 166 167 #endif // WORD64_AVAILABLE 168 169 170 } // namespace 171 172 173 #endif // TAO_CRYPT_SHA_HPP 174 175