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124 lines
4.7 KiB
124 lines
4.7 KiB
// md5.cpp - modified by Wei Dai from Colin Plumb's public domain md5.c |
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// any modifications are placed in the public domain |
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#include "pch.h" |
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#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 |
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#include "md5.h" |
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#include "misc.h" |
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NAMESPACE_BEGIN(CryptoPP) |
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NAMESPACE_BEGIN(Weak1) |
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#if defined(CRYPTOPP_DEBUG) && !defined(CRYPTOPP_DOXYGEN_PROCESSING) |
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void MD5_TestInstantiations() |
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{ |
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MD5 x; |
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} |
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#endif |
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void MD5::InitState(HashWordType *state) |
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{ |
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state[0] = 0x67452301L; |
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state[1] = 0xefcdab89L; |
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state[2] = 0x98badcfeL; |
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state[3] = 0x10325476L; |
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} |
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void MD5::Transform (word32 *digest, const word32 *data) |
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{ |
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CRYPTOPP_ASSERT(digest); |
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CRYPTOPP_ASSERT(data); |
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// #define F1(x, y, z) (x & y | ~x & z) |
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#define F1(x, y, z) (z ^ (x & (y ^ z))) |
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#define F2(x, y, z) F1(z, x, y) |
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#define F3(x, y, z) (x ^ y ^ z) |
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#define F4(x, y, z) (y ^ (x | ~z)) |
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#define MD5STEP(f, w, x, y, z, data, s) \ |
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w = rotlFixed(w + f(x, y, z) + data, s) + x |
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word32 a, b, c, d; |
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a=digest[0]; |
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b=digest[1]; |
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c=digest[2]; |
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d=digest[3]; |
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MD5STEP(F1, a, b, c, d, data[0] + 0xd76aa478, 7); |
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MD5STEP(F1, d, a, b, c, data[1] + 0xe8c7b756, 12); |
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MD5STEP(F1, c, d, a, b, data[2] + 0x242070db, 17); |
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MD5STEP(F1, b, c, d, a, data[3] + 0xc1bdceee, 22); |
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MD5STEP(F1, a, b, c, d, data[4] + 0xf57c0faf, 7); |
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MD5STEP(F1, d, a, b, c, data[5] + 0x4787c62a, 12); |
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MD5STEP(F1, c, d, a, b, data[6] + 0xa8304613, 17); |
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MD5STEP(F1, b, c, d, a, data[7] + 0xfd469501, 22); |
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MD5STEP(F1, a, b, c, d, data[8] + 0x698098d8, 7); |
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MD5STEP(F1, d, a, b, c, data[9] + 0x8b44f7af, 12); |
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MD5STEP(F1, c, d, a, b, data[10] + 0xffff5bb1, 17); |
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MD5STEP(F1, b, c, d, a, data[11] + 0x895cd7be, 22); |
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MD5STEP(F1, a, b, c, d, data[12] + 0x6b901122, 7); |
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MD5STEP(F1, d, a, b, c, data[13] + 0xfd987193, 12); |
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MD5STEP(F1, c, d, a, b, data[14] + 0xa679438e, 17); |
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MD5STEP(F1, b, c, d, a, data[15] + 0x49b40821, 22); |
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MD5STEP(F2, a, b, c, d, data[1] + 0xf61e2562, 5); |
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MD5STEP(F2, d, a, b, c, data[6] + 0xc040b340, 9); |
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MD5STEP(F2, c, d, a, b, data[11] + 0x265e5a51, 14); |
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MD5STEP(F2, b, c, d, a, data[0] + 0xe9b6c7aa, 20); |
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MD5STEP(F2, a, b, c, d, data[5] + 0xd62f105d, 5); |
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MD5STEP(F2, d, a, b, c, data[10] + 0x02441453, 9); |
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MD5STEP(F2, c, d, a, b, data[15] + 0xd8a1e681, 14); |
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MD5STEP(F2, b, c, d, a, data[4] + 0xe7d3fbc8, 20); |
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MD5STEP(F2, a, b, c, d, data[9] + 0x21e1cde6, 5); |
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MD5STEP(F2, d, a, b, c, data[14] + 0xc33707d6, 9); |
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MD5STEP(F2, c, d, a, b, data[3] + 0xf4d50d87, 14); |
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MD5STEP(F2, b, c, d, a, data[8] + 0x455a14ed, 20); |
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MD5STEP(F2, a, b, c, d, data[13] + 0xa9e3e905, 5); |
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MD5STEP(F2, d, a, b, c, data[2] + 0xfcefa3f8, 9); |
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MD5STEP(F2, c, d, a, b, data[7] + 0x676f02d9, 14); |
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MD5STEP(F2, b, c, d, a, data[12] + 0x8d2a4c8a, 20); |
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MD5STEP(F3, a, b, c, d, data[5] + 0xfffa3942, 4); |
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MD5STEP(F3, d, a, b, c, data[8] + 0x8771f681, 11); |
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MD5STEP(F3, c, d, a, b, data[11] + 0x6d9d6122, 16); |
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MD5STEP(F3, b, c, d, a, data[14] + 0xfde5380c, 23); |
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MD5STEP(F3, a, b, c, d, data[1] + 0xa4beea44, 4); |
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MD5STEP(F3, d, a, b, c, data[4] + 0x4bdecfa9, 11); |
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MD5STEP(F3, c, d, a, b, data[7] + 0xf6bb4b60, 16); |
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MD5STEP(F3, b, c, d, a, data[10] + 0xbebfbc70, 23); |
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MD5STEP(F3, a, b, c, d, data[13] + 0x289b7ec6, 4); |
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MD5STEP(F3, d, a, b, c, data[0] + 0xeaa127fa, 11); |
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MD5STEP(F3, c, d, a, b, data[3] + 0xd4ef3085, 16); |
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MD5STEP(F3, b, c, d, a, data[6] + 0x04881d05, 23); |
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MD5STEP(F3, a, b, c, d, data[9] + 0xd9d4d039, 4); |
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MD5STEP(F3, d, a, b, c, data[12] + 0xe6db99e5, 11); |
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MD5STEP(F3, c, d, a, b, data[15] + 0x1fa27cf8, 16); |
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MD5STEP(F3, b, c, d, a, data[2] + 0xc4ac5665, 23); |
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MD5STEP(F4, a, b, c, d, data[0] + 0xf4292244, 6); |
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MD5STEP(F4, d, a, b, c, data[7] + 0x432aff97, 10); |
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MD5STEP(F4, c, d, a, b, data[14] + 0xab9423a7, 15); |
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MD5STEP(F4, b, c, d, a, data[5] + 0xfc93a039, 21); |
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MD5STEP(F4, a, b, c, d, data[12] + 0x655b59c3, 6); |
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MD5STEP(F4, d, a, b, c, data[3] + 0x8f0ccc92, 10); |
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MD5STEP(F4, c, d, a, b, data[10] + 0xffeff47d, 15); |
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MD5STEP(F4, b, c, d, a, data[1] + 0x85845dd1, 21); |
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MD5STEP(F4, a, b, c, d, data[8] + 0x6fa87e4f, 6); |
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MD5STEP(F4, d, a, b, c, data[15] + 0xfe2ce6e0, 10); |
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MD5STEP(F4, c, d, a, b, data[6] + 0xa3014314, 15); |
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MD5STEP(F4, b, c, d, a, data[13] + 0x4e0811a1, 21); |
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MD5STEP(F4, a, b, c, d, data[4] + 0xf7537e82, 6); |
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MD5STEP(F4, d, a, b, c, data[11] + 0xbd3af235, 10); |
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MD5STEP(F4, c, d, a, b, data[2] + 0x2ad7d2bb, 15); |
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MD5STEP(F4, b, c, d, a, data[9] + 0xeb86d391, 21); |
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digest[0]+=a; |
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digest[1]+=b; |
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digest[2]+=c; |
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digest[3]+=d; |
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} |
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NAMESPACE_END // Weak |
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NAMESPACE_END // CryptoPP
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