/********************************************************************** Copyright(c) 2011-2016 Intel Corporation All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Intel Corporation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **********************************************************************/ #include #include //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// // Reference MD5 Functions //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// void md5_single(const uint8_t * data, uint32_t digest[4]); #define H0 0x67452301 #define H1 0xefcdab89 #define H2 0x98badcfe #define H3 0x10325476 void md5_ref(uint8_t * input_data, uint32_t * digest, uint32_t len) { uint32_t i, j; uint8_t buf[128]; union { uint64_t uint; uint8_t uchar[8]; } convert; uint8_t *p; digest[0] = H0; digest[1] = H1; digest[2] = H2; digest[3] = H3; i = len; while (i >= 64) { md5_single(input_data, digest); input_data += 64; i -= 64; } // 0 <= i < 64 memcpy(buf, input_data, i); buf[i++] = 0x80; for (j = i; j < 120; j++) buf[j] = 0; if (i > 64 - 8) i = 128; else i = 64; convert.uint = 8 * len; p = buf + i - 8; p[7] = convert.uchar[7]; p[6] = convert.uchar[6]; p[5] = convert.uchar[5]; p[4] = convert.uchar[4]; p[3] = convert.uchar[3]; p[2] = convert.uchar[2]; p[1] = convert.uchar[1]; p[0] = convert.uchar[0]; md5_single(buf, digest); if (i == 128) md5_single(buf + 64, digest); } #define F1(b,c,d) (d ^ (b & (c ^ d))) #define F2(b,c,d) (c ^ (d & (b ^ c))) #define F3(b,c,d) (b ^ c ^ d) #define F4(b,c,d) (c ^ (b | ~d)) #define rol32(x, r) (((x)<<(r)) ^ ((x)>>(32-(r)))) #define step(i,a,b,c,d,f,k,w,r) \ if (i < 16) {f = F1(b,c,d); } else \ if (i < 32) {f = F2(b,c,d); } else \ if (i < 48) {f = F3(b,c,d); } else \ {f = F4(b,c,d); } \ f = a + f + k + w; \ a = b + rol32(f, r); void md5_single(const uint8_t * data, uint32_t digest[4]) { uint32_t a, b, c, d; uint32_t f; uint32_t *w = (uint32_t *) data; a = digest[0]; b = digest[1]; c = digest[2]; d = digest[3]; step(0, a, b, c, d, f, 0xd76aa478, w[0], 7); step(1, d, a, b, c, f, 0xe8c7b756, w[1], 12); step(2, c, d, a, b, f, 0x242070db, w[2], 17); step(3, b, c, d, a, f, 0xc1bdceee, w[3], 22); step(4, a, b, c, d, f, 0xf57c0faf, w[4], 7); step(5, d, a, b, c, f, 0x4787c62a, w[5], 12); step(6, c, d, a, b, f, 0xa8304613, w[6], 17); step(7, b, c, d, a, f, 0xfd469501, w[7], 22); step(8, a, b, c, d, f, 0x698098d8, w[8], 7); step(9, d, a, b, c, f, 0x8b44f7af, w[9], 12); step(10, c, d, a, b, f, 0xffff5bb1, w[10], 17); step(11, b, c, d, a, f, 0x895cd7be, w[11], 22); step(12, a, b, c, d, f, 0x6b901122, w[12], 7); step(13, d, a, b, c, f, 0xfd987193, w[13], 12); step(14, c, d, a, b, f, 0xa679438e, w[14], 17); step(15, b, c, d, a, f, 0x49b40821, w[15], 22); step(16, a, b, c, d, f, 0xf61e2562, w[1], 5); step(17, d, a, b, c, f, 0xc040b340, w[6], 9); step(18, c, d, a, b, f, 0x265e5a51, w[11], 14); step(19, b, c, d, a, f, 0xe9b6c7aa, w[0], 20); step(20, a, b, c, d, f, 0xd62f105d, w[5], 5); step(21, d, a, b, c, f, 0x02441453, w[10], 9); step(22, c, d, a, b, f, 0xd8a1e681, w[15], 14); step(23, b, c, d, a, f, 0xe7d3fbc8, w[4], 20); step(24, a, b, c, d, f, 0x21e1cde6, w[9], 5); step(25, d, a, b, c, f, 0xc33707d6, w[14], 9); step(26, c, d, a, b, f, 0xf4d50d87, w[3], 14); step(27, b, c, d, a, f, 0x455a14ed, w[8], 20); step(28, a, b, c, d, f, 0xa9e3e905, w[13], 5); step(29, d, a, b, c, f, 0xfcefa3f8, w[2], 9); step(30, c, d, a, b, f, 0x676f02d9, w[7], 14); step(31, b, c, d, a, f, 0x8d2a4c8a, w[12], 20); step(32, a, b, c, d, f, 0xfffa3942, w[5], 4); step(33, d, a, b, c, f, 0x8771f681, w[8], 11); step(34, c, d, a, b, f, 0x6d9d6122, w[11], 16); step(35, b, c, d, a, f, 0xfde5380c, w[14], 23); step(36, a, b, c, d, f, 0xa4beea44, w[1], 4); step(37, d, a, b, c, f, 0x4bdecfa9, w[4], 11); step(38, c, d, a, b, f, 0xf6bb4b60, w[7], 16); step(39, b, c, d, a, f, 0xbebfbc70, w[10], 23); step(40, a, b, c, d, f, 0x289b7ec6, w[13], 4); step(41, d, a, b, c, f, 0xeaa127fa, w[0], 11); step(42, c, d, a, b, f, 0xd4ef3085, w[3], 16); step(43, b, c, d, a, f, 0x04881d05, w[6], 23); step(44, a, b, c, d, f, 0xd9d4d039, w[9], 4); step(45, d, a, b, c, f, 0xe6db99e5, w[12], 11); step(46, c, d, a, b, f, 0x1fa27cf8, w[15], 16); step(47, b, c, d, a, f, 0xc4ac5665, w[2], 23); step(48, a, b, c, d, f, 0xf4292244, w[0], 6); step(49, d, a, b, c, f, 0x432aff97, w[7], 10); step(50, c, d, a, b, f, 0xab9423a7, w[14], 15); step(51, b, c, d, a, f, 0xfc93a039, w[5], 21); step(52, a, b, c, d, f, 0x655b59c3, w[12], 6); step(53, d, a, b, c, f, 0x8f0ccc92, w[3], 10); step(54, c, d, a, b, f, 0xffeff47d, w[10], 15); step(55, b, c, d, a, f, 0x85845dd1, w[1], 21); step(56, a, b, c, d, f, 0x6fa87e4f, w[8], 6); step(57, d, a, b, c, f, 0xfe2ce6e0, w[15], 10); step(58, c, d, a, b, f, 0xa3014314, w[6], 15); step(59, b, c, d, a, f, 0x4e0811a1, w[13], 21); step(60, a, b, c, d, f, 0xf7537e82, w[4], 6); step(61, d, a, b, c, f, 0xbd3af235, w[11], 10); step(62, c, d, a, b, f, 0x2ad7d2bb, w[2], 15); step(63, b, c, d, a, f, 0xeb86d391, w[9], 21); digest[0] += a; digest[1] += b; digest[2] += c; digest[3] += d; }