X-Git-Url: https://pd.if.org/git/?p=zpackage;a=blobdiff_plain;f=libtomcrypt%2Fsrc%2Fhashes%2Fmd5.c;fp=libtomcrypt%2Fsrc%2Fhashes%2Fmd5.c;h=0000000000000000000000000000000000000000;hp=511329a9a01919dbaf13d6423a4043e7ccc2b2e8;hb=094fa8c1bc2e27a560833c6a829b1d9b60de7034;hpb=27410df6ded2d78850397c159cbccff1a78012f2 diff --git a/libtomcrypt/src/hashes/md5.c b/libtomcrypt/src/hashes/md5.c deleted file mode 100644 index 511329a..0000000 --- a/libtomcrypt/src/hashes/md5.c +++ /dev/null @@ -1,366 +0,0 @@ -/* LibTomCrypt, modular cryptographic library -- Tom St Denis - * - * LibTomCrypt is a library that provides various cryptographic - * algorithms in a highly modular and flexible manner. - * - * The library is free for all purposes without any express - * guarantee it works. - */ -#include "tomcrypt.h" - - -/** - @file md5.c - LTC_MD5 hash function by Tom St Denis -*/ - -#ifdef LTC_MD5 - -const struct ltc_hash_descriptor md5_desc = -{ - "md5", - 3, - 16, - 64, - - /* OID */ - { 1, 2, 840, 113549, 2, 5, }, - 6, - - &md5_init, - &md5_process, - &md5_done, - &md5_test, - NULL -}; - -#define F(x,y,z) (z ^ (x & (y ^ z))) -#define G(x,y,z) (y ^ (z & (y ^ x))) -#define H(x,y,z) (x^y^z) -#define I(x,y,z) (y^(x|(~z))) - -#ifdef LTC_SMALL_CODE - -#define FF(a,b,c,d,M,s,t) \ - a = (a + F(b,c,d) + M + t); a = ROL(a, s) + b; - -#define GG(a,b,c,d,M,s,t) \ - a = (a + G(b,c,d) + M + t); a = ROL(a, s) + b; - -#define HH(a,b,c,d,M,s,t) \ - a = (a + H(b,c,d) + M + t); a = ROL(a, s) + b; - -#define II(a,b,c,d,M,s,t) \ - a = (a + I(b,c,d) + M + t); a = ROL(a, s) + b; - -static const unsigned char Worder[64] = { - 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, - 1,6,11,0,5,10,15,4,9,14,3,8,13,2,7,12, - 5,8,11,14,1,4,7,10,13,0,3,6,9,12,15,2, - 0,7,14,5,12,3,10,1,8,15,6,13,4,11,2,9 -}; - -static const unsigned char Rorder[64] = { - 7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22, - 5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20, - 4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23, - 6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21 -}; - -static const ulong32 Korder[64] = { -0xd76aa478UL, 0xe8c7b756UL, 0x242070dbUL, 0xc1bdceeeUL, 0xf57c0fafUL, 0x4787c62aUL, 0xa8304613UL, 0xfd469501UL, -0x698098d8UL, 0x8b44f7afUL, 0xffff5bb1UL, 0x895cd7beUL, 0x6b901122UL, 0xfd987193UL, 0xa679438eUL, 0x49b40821UL, -0xf61e2562UL, 0xc040b340UL, 0x265e5a51UL, 0xe9b6c7aaUL, 0xd62f105dUL, 0x02441453UL, 0xd8a1e681UL, 0xe7d3fbc8UL, -0x21e1cde6UL, 0xc33707d6UL, 0xf4d50d87UL, 0x455a14edUL, 0xa9e3e905UL, 0xfcefa3f8UL, 0x676f02d9UL, 0x8d2a4c8aUL, -0xfffa3942UL, 0x8771f681UL, 0x6d9d6122UL, 0xfde5380cUL, 0xa4beea44UL, 0x4bdecfa9UL, 0xf6bb4b60UL, 0xbebfbc70UL, -0x289b7ec6UL, 0xeaa127faUL, 0xd4ef3085UL, 0x04881d05UL, 0xd9d4d039UL, 0xe6db99e5UL, 0x1fa27cf8UL, 0xc4ac5665UL, -0xf4292244UL, 0x432aff97UL, 0xab9423a7UL, 0xfc93a039UL, 0x655b59c3UL, 0x8f0ccc92UL, 0xffeff47dUL, 0x85845dd1UL, -0x6fa87e4fUL, 0xfe2ce6e0UL, 0xa3014314UL, 0x4e0811a1UL, 0xf7537e82UL, 0xbd3af235UL, 0x2ad7d2bbUL, 0xeb86d391UL -}; - -#else - -#define FF(a,b,c,d,M,s,t) \ - a = (a + F(b,c,d) + M + t); a = ROLc(a, s) + b; - -#define GG(a,b,c,d,M,s,t) \ - a = (a + G(b,c,d) + M + t); a = ROLc(a, s) + b; - -#define HH(a,b,c,d,M,s,t) \ - a = (a + H(b,c,d) + M + t); a = ROLc(a, s) + b; - -#define II(a,b,c,d,M,s,t) \ - a = (a + I(b,c,d) + M + t); a = ROLc(a, s) + b; - - -#endif - -#ifdef LTC_CLEAN_STACK -static int _md5_compress(hash_state *md, unsigned char *buf) -#else -static int md5_compress(hash_state *md, unsigned char *buf) -#endif -{ - ulong32 i, W[16], a, b, c, d; -#ifdef LTC_SMALL_CODE - ulong32 t; -#endif - - /* copy the state into 512-bits into W[0..15] */ - for (i = 0; i < 16; i++) { - LOAD32L(W[i], buf + (4*i)); - } - - /* copy state */ - a = md->md5.state[0]; - b = md->md5.state[1]; - c = md->md5.state[2]; - d = md->md5.state[3]; - -#ifdef LTC_SMALL_CODE - for (i = 0; i < 16; ++i) { - FF(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]); - t = d; d = c; c = b; b = a; a = t; - } - - for (; i < 32; ++i) { - GG(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]); - t = d; d = c; c = b; b = a; a = t; - } - - for (; i < 48; ++i) { - HH(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]); - t = d; d = c; c = b; b = a; a = t; - } - - for (; i < 64; ++i) { - II(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]); - t = d; d = c; c = b; b = a; a = t; - } - -#else - FF(a,b,c,d,W[0],7,0xd76aa478UL) - FF(d,a,b,c,W[1],12,0xe8c7b756UL) - FF(c,d,a,b,W[2],17,0x242070dbUL) - FF(b,c,d,a,W[3],22,0xc1bdceeeUL) - FF(a,b,c,d,W[4],7,0xf57c0fafUL) - FF(d,a,b,c,W[5],12,0x4787c62aUL) - FF(c,d,a,b,W[6],17,0xa8304613UL) - FF(b,c,d,a,W[7],22,0xfd469501UL) - FF(a,b,c,d,W[8],7,0x698098d8UL) - FF(d,a,b,c,W[9],12,0x8b44f7afUL) - FF(c,d,a,b,W[10],17,0xffff5bb1UL) - FF(b,c,d,a,W[11],22,0x895cd7beUL) - FF(a,b,c,d,W[12],7,0x6b901122UL) - FF(d,a,b,c,W[13],12,0xfd987193UL) - FF(c,d,a,b,W[14],17,0xa679438eUL) - FF(b,c,d,a,W[15],22,0x49b40821UL) - GG(a,b,c,d,W[1],5,0xf61e2562UL) - GG(d,a,b,c,W[6],9,0xc040b340UL) - GG(c,d,a,b,W[11],14,0x265e5a51UL) - GG(b,c,d,a,W[0],20,0xe9b6c7aaUL) - GG(a,b,c,d,W[5],5,0xd62f105dUL) - GG(d,a,b,c,W[10],9,0x02441453UL) - GG(c,d,a,b,W[15],14,0xd8a1e681UL) - GG(b,c,d,a,W[4],20,0xe7d3fbc8UL) - GG(a,b,c,d,W[9],5,0x21e1cde6UL) - GG(d,a,b,c,W[14],9,0xc33707d6UL) - GG(c,d,a,b,W[3],14,0xf4d50d87UL) - GG(b,c,d,a,W[8],20,0x455a14edUL) - GG(a,b,c,d,W[13],5,0xa9e3e905UL) - GG(d,a,b,c,W[2],9,0xfcefa3f8UL) - GG(c,d,a,b,W[7],14,0x676f02d9UL) - GG(b,c,d,a,W[12],20,0x8d2a4c8aUL) - HH(a,b,c,d,W[5],4,0xfffa3942UL) - HH(d,a,b,c,W[8],11,0x8771f681UL) - HH(c,d,a,b,W[11],16,0x6d9d6122UL) - HH(b,c,d,a,W[14],23,0xfde5380cUL) - HH(a,b,c,d,W[1],4,0xa4beea44UL) - HH(d,a,b,c,W[4],11,0x4bdecfa9UL) - HH(c,d,a,b,W[7],16,0xf6bb4b60UL) - HH(b,c,d,a,W[10],23,0xbebfbc70UL) - HH(a,b,c,d,W[13],4,0x289b7ec6UL) - HH(d,a,b,c,W[0],11,0xeaa127faUL) - HH(c,d,a,b,W[3],16,0xd4ef3085UL) - HH(b,c,d,a,W[6],23,0x04881d05UL) - HH(a,b,c,d,W[9],4,0xd9d4d039UL) - HH(d,a,b,c,W[12],11,0xe6db99e5UL) - HH(c,d,a,b,W[15],16,0x1fa27cf8UL) - HH(b,c,d,a,W[2],23,0xc4ac5665UL) - II(a,b,c,d,W[0],6,0xf4292244UL) - II(d,a,b,c,W[7],10,0x432aff97UL) - II(c,d,a,b,W[14],15,0xab9423a7UL) - II(b,c,d,a,W[5],21,0xfc93a039UL) - II(a,b,c,d,W[12],6,0x655b59c3UL) - II(d,a,b,c,W[3],10,0x8f0ccc92UL) - II(c,d,a,b,W[10],15,0xffeff47dUL) - II(b,c,d,a,W[1],21,0x85845dd1UL) - II(a,b,c,d,W[8],6,0x6fa87e4fUL) - II(d,a,b,c,W[15],10,0xfe2ce6e0UL) - II(c,d,a,b,W[6],15,0xa3014314UL) - II(b,c,d,a,W[13],21,0x4e0811a1UL) - II(a,b,c,d,W[4],6,0xf7537e82UL) - II(d,a,b,c,W[11],10,0xbd3af235UL) - II(c,d,a,b,W[2],15,0x2ad7d2bbUL) - II(b,c,d,a,W[9],21,0xeb86d391UL) -#endif - - md->md5.state[0] = md->md5.state[0] + a; - md->md5.state[1] = md->md5.state[1] + b; - md->md5.state[2] = md->md5.state[2] + c; - md->md5.state[3] = md->md5.state[3] + d; - - return CRYPT_OK; -} - -#ifdef LTC_CLEAN_STACK -static int md5_compress(hash_state *md, unsigned char *buf) -{ - int err; - err = _md5_compress(md, buf); - burn_stack(sizeof(ulong32) * 21); - return err; -} -#endif - -/** - Initialize the hash state - @param md The hash state you wish to initialize - @return CRYPT_OK if successful -*/ -int md5_init(hash_state * md) -{ - LTC_ARGCHK(md != NULL); - md->md5.state[0] = 0x67452301UL; - md->md5.state[1] = 0xefcdab89UL; - md->md5.state[2] = 0x98badcfeUL; - md->md5.state[3] = 0x10325476UL; - md->md5.curlen = 0; - md->md5.length = 0; - return CRYPT_OK; -} - -/** - Process a block of memory though the hash - @param md The hash state - @param in The data to hash - @param inlen The length of the data (octets) - @return CRYPT_OK if successful -*/ -HASH_PROCESS(md5_process, md5_compress, md5, 64) - -/** - Terminate the hash to get the digest - @param md The hash state - @param out [out] The destination of the hash (16 bytes) - @return CRYPT_OK if successful -*/ -int md5_done(hash_state * md, unsigned char *out) -{ - int i; - - LTC_ARGCHK(md != NULL); - LTC_ARGCHK(out != NULL); - - if (md->md5.curlen >= sizeof(md->md5.buf)) { - return CRYPT_INVALID_ARG; - } - - - /* increase the length of the message */ - md->md5.length += md->md5.curlen * 8; - - /* append the '1' bit */ - md->md5.buf[md->md5.curlen++] = (unsigned char)0x80; - - /* if the length is currently above 56 bytes we append zeros - * then compress. Then we can fall back to padding zeros and length - * encoding like normal. - */ - if (md->md5.curlen > 56) { - while (md->md5.curlen < 64) { - md->md5.buf[md->md5.curlen++] = (unsigned char)0; - } - md5_compress(md, md->md5.buf); - md->md5.curlen = 0; - } - - /* pad upto 56 bytes of zeroes */ - while (md->md5.curlen < 56) { - md->md5.buf[md->md5.curlen++] = (unsigned char)0; - } - - /* store length */ - STORE64L(md->md5.length, md->md5.buf+56); - md5_compress(md, md->md5.buf); - - /* copy output */ - for (i = 0; i < 4; i++) { - STORE32L(md->md5.state[i], out+(4*i)); - } -#ifdef LTC_CLEAN_STACK - zeromem(md, sizeof(hash_state)); -#endif - return CRYPT_OK; -} - -/** - Self-test the hash - @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ -int md5_test(void) -{ - #ifndef LTC_TEST - return CRYPT_NOP; - #else - static const struct { - const char *msg; - unsigned char hash[16]; - } tests[] = { - { "", - { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, - 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e } }, - { "a", - {0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, - 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 } }, - { "abc", - { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, - 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 } }, - { "message digest", - { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, - 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 } }, - { "abcdefghijklmnopqrstuvwxyz", - { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, - 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b } }, - { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", - { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, - 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f } }, - { "12345678901234567890123456789012345678901234567890123456789012345678901234567890", - { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, - 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a } }, - { NULL, { 0 } } - }; - - int i; - unsigned char tmp[16]; - hash_state md; - - for (i = 0; tests[i].msg != NULL; i++) { - md5_init(&md); - md5_process(&md, (unsigned char *)tests[i].msg, (unsigned long)strlen(tests[i].msg)); - md5_done(&md, tmp); - if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "MD5", i)) { - return CRYPT_FAIL_TESTVECTOR; - } - } - return CRYPT_OK; - #endif -} - -#endif - - - -/* ref: $Format:%D$ */ -/* git commit: $Format:%H$ */ -/* commit time: $Format:%ai$ */