diff options
Diffstat (limited to 'src/lib/crypto/builtin/md5/md5.c')
-rw-r--r-- | src/lib/crypto/builtin/md5/md5.c | 517 |
1 files changed, 259 insertions, 258 deletions
diff --git a/src/lib/crypto/builtin/md5/md5.c b/src/lib/crypto/builtin/md5/md5.c index 76f8fa2f2..7e06aa6d2 100644 --- a/src/lib/crypto/builtin/md5/md5.c +++ b/src/lib/crypto/builtin/md5/md5.c @@ -1,66 +1,67 @@ +/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* - *********************************************************************** - ** md5.c -- the source code for MD5 routines ** - ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** - ** Created: 2/17/90 RLR ** - ** Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr. ** - *********************************************************************** - */ +*********************************************************************** +** md5.c -- the source code for MD5 routines ** +** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** +** Created: 2/17/90 RLR ** +** Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr. ** +*********************************************************************** +*/ /* * Modified by John Carr, MIT, to use Kerberos 5 typedefs. */ /* - *********************************************************************** - ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** - ** ** - ** License to copy and use this software is granted provided that ** - ** it is identified as the "RSA Data Security, Inc. MD5 Message- ** - ** Digest Algorithm" in all material mentioning or referencing this ** - ** software or this function. ** - ** ** - ** License is also granted to make and use derivative works ** - ** provided that such works are identified as "derived from the RSA ** - ** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** - ** material mentioning or referencing the derived work. ** - ** ** - ** RSA Data Security, Inc. makes no representations concerning ** - ** either the merchantability of this software or the suitability ** - ** of this software for any particular purpose. It is provided "as ** - ** is" without express or implied warranty of any kind. ** - ** ** - ** These notices must be retained in any copies of any part of this ** - ** documentation and/or software. ** - *********************************************************************** - */ +*********************************************************************** +** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** +** ** +** License to copy and use this software is granted provided that ** +** it is identified as the "RSA Data Security, Inc. MD5 Message- ** +** Digest Algorithm" in all material mentioning or referencing this ** +** software or this function. ** +** ** +** License is also granted to make and use derivative works ** +** provided that such works are identified as "derived from the RSA ** +** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** +** material mentioning or referencing the derived work. ** +** ** +** RSA Data Security, Inc. makes no representations concerning ** +** either the merchantability of this software or the suitability ** +** of this software for any particular purpose. It is provided "as ** +** is" without express or implied warranty of any kind. ** +** ** +** These notices must be retained in any copies of any part of this ** +** documentation and/or software. ** +*********************************************************************** +*/ #include "k5-int.h" #include "rsa-md5.h" /* - *********************************************************************** - ** Message-digest routines: ** - ** To form the message digest for a message M ** - ** (1) Initialize a context buffer mdContext using krb5int_MD5Init ** - ** (2) Call krb5int_MD5Update on mdContext and M ** - ** (3) Call krb5int_MD5Final on mdContext ** - ** The message digest is now in mdContext->digest[0...15] ** - *********************************************************************** - */ +*********************************************************************** +** Message-digest routines: ** +** To form the message digest for a message M ** +** (1) Initialize a context buffer mdContext using krb5int_MD5Init ** +** (2) Call krb5int_MD5Update on mdContext and M ** +** (3) Call krb5int_MD5Final on mdContext ** +** The message digest is now in mdContext->digest[0...15] ** +*********************************************************************** +*/ /* forward declaration */ static void Transform (krb5_ui_4 *buf, krb5_ui_4 *in); static const unsigned char PADDING[64] = { - 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; /* F, G, H and I are basic MD5 functions */ @@ -74,270 +75,270 @@ static const unsigned char PADDING[64] = { /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */ /* Rotation is separate from addition to prevent recomputation */ -#define FF(a, b, c, d, x, s, ac) \ - {(a) += F ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ - (a) &= 0xffffffff; \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - (a) &= 0xffffffff; \ - } -#define GG(a, b, c, d, x, s, ac) \ - {(a) += G ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ - (a) &= 0xffffffff; \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - (a) &= 0xffffffff; \ - } -#define HH(a, b, c, d, x, s, ac) \ - {(a) += H ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ - (a) &= 0xffffffff; \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - (a) &= 0xffffffff; \ - } -#define II(a, b, c, d, x, s, ac) \ - {(a) += I ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ - (a) &= 0xffffffff; \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - (a) &= 0xffffffff; \ - } +#define FF(a, b, c, d, x, s, ac) \ + {(a) += F ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ + (a) &= 0xffffffff; \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + (a) &= 0xffffffff; \ + } +#define GG(a, b, c, d, x, s, ac) \ + {(a) += G ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ + (a) &= 0xffffffff; \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + (a) &= 0xffffffff; \ + } +#define HH(a, b, c, d, x, s, ac) \ + {(a) += H ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ + (a) &= 0xffffffff; \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + (a) &= 0xffffffff; \ + } +#define II(a, b, c, d, x, s, ac) \ + {(a) += I ((b), (c), (d)) + (x) + (krb5_ui_4)(ac); \ + (a) &= 0xffffffff; \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + (a) &= 0xffffffff; \ + } /* The routine krb5int_MD5Init initializes the message-digest context mdContext. All fields are set to zero. - */ +*/ void krb5int_MD5Init (krb5_MD5_CTX *mdContext) { - mdContext->i[0] = mdContext->i[1] = (krb5_ui_4)0; - - /* Load magic initialization constants. - */ - mdContext->buf[0] = 0x67452301UL; - mdContext->buf[1] = 0xefcdab89UL; - mdContext->buf[2] = 0x98badcfeUL; - mdContext->buf[3] = 0x10325476UL; + mdContext->i[0] = mdContext->i[1] = (krb5_ui_4)0; + + /* Load magic initialization constants. + */ + mdContext->buf[0] = 0x67452301UL; + mdContext->buf[1] = 0xefcdab89UL; + mdContext->buf[2] = 0x98badcfeUL; + mdContext->buf[3] = 0x10325476UL; } /* The routine krb5int_MD5Update updates the message-digest context to account for the presence of each of the characters inBuf[0..inLen-1] in the message whose digest is being computed. - */ +*/ void krb5int_MD5Update (krb5_MD5_CTX *mdContext, const unsigned char *inBuf, unsigned int inLen) { - krb5_ui_4 in[16]; - int mdi; - unsigned int i, ii; - - /* compute number of bytes mod 64 */ - mdi = (int)((mdContext->i[0] >> 3) & 0x3F); - - /* update number of bits */ - if ((mdContext->i[0] + ((krb5_ui_4)inLen << 3)) < mdContext->i[0]) - mdContext->i[1]++; - mdContext->i[0] += ((krb5_ui_4)inLen << 3); - mdContext->i[1] += ((krb5_ui_4)inLen >> 29); - - while (inLen--) { - /* add new character to buffer, increment mdi */ - mdContext->in[mdi++] = *inBuf++; - - /* transform if necessary */ - if (mdi == 0x40) { - for (i = 0, ii = 0; i < 16; i++, ii += 4) - in[i] = load_32_le(mdContext->in+ii); - Transform (mdContext->buf, in); - mdi = 0; + krb5_ui_4 in[16]; + int mdi; + unsigned int i, ii; + + /* compute number of bytes mod 64 */ + mdi = (int)((mdContext->i[0] >> 3) & 0x3F); + + /* update number of bits */ + if ((mdContext->i[0] + ((krb5_ui_4)inLen << 3)) < mdContext->i[0]) + mdContext->i[1]++; + mdContext->i[0] += ((krb5_ui_4)inLen << 3); + mdContext->i[1] += ((krb5_ui_4)inLen >> 29); + + while (inLen--) { + /* add new character to buffer, increment mdi */ + mdContext->in[mdi++] = *inBuf++; + + /* transform if necessary */ + if (mdi == 0x40) { + for (i = 0, ii = 0; i < 16; i++, ii += 4) + in[i] = load_32_le(mdContext->in+ii); + Transform (mdContext->buf, in); + mdi = 0; + } } - } } /* The routine krb5int_MD5Final terminates the message-digest computation and ends with the desired message digest in mdContext->digest[0...15]. - */ +*/ void krb5int_MD5Final (krb5_MD5_CTX *mdContext) { - krb5_ui_4 in[16]; - int mdi; - unsigned int i, ii; - unsigned int padLen; - - /* save number of bits */ - in[14] = mdContext->i[0]; - in[15] = mdContext->i[1]; - - /* compute number of bytes mod 64 */ - mdi = (int)((mdContext->i[0] >> 3) & 0x3F); - - /* pad out to 56 mod 64 */ - padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi); - krb5int_MD5Update (mdContext, PADDING, padLen); - - /* append length in bits and transform */ - for (i = 0, ii = 0; i < 14; i++, ii += 4) - in[i] = load_32_le(mdContext->in+ii); - Transform (mdContext->buf, in); - - /* store buffer in digest */ - for (i = 0, ii = 0; i < 4; i++, ii += 4) { - store_32_le(mdContext->buf[i], mdContext->digest+ii); - } + krb5_ui_4 in[16]; + int mdi; + unsigned int i, ii; + unsigned int padLen; + + /* save number of bits */ + in[14] = mdContext->i[0]; + in[15] = mdContext->i[1]; + + /* compute number of bytes mod 64 */ + mdi = (int)((mdContext->i[0] >> 3) & 0x3F); + + /* pad out to 56 mod 64 */ + padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi); + krb5int_MD5Update (mdContext, PADDING, padLen); + + /* append length in bits and transform */ + for (i = 0, ii = 0; i < 14; i++, ii += 4) + in[i] = load_32_le(mdContext->in+ii); + Transform (mdContext->buf, in); + + /* store buffer in digest */ + for (i = 0, ii = 0; i < 4; i++, ii += 4) { + store_32_le(mdContext->buf[i], mdContext->digest+ii); + } } /* Basic MD5 step. Transforms buf based on in. */ static void Transform (krb5_ui_4 *buf, krb5_ui_4 *in) { - register krb5_ui_4 a = buf[0], b = buf[1], c = buf[2], d = buf[3]; + register krb5_ui_4 a = buf[0], b = buf[1], c = buf[2], d = buf[3]; #if defined(CONFIG_SMALL) && !defined(CONFIG_SMALL_NO_CRYPTO) - int i; + int i; #define ROTATE { krb5_ui_4 temp; temp = d, d = c, c = b, b = a, a = temp; } - for (i = 0; i < 16; i++) { - const unsigned char round1s[] = { 7, 12, 17, 22 }; - const krb5_ui_4 round1consts[] = { - 3614090360UL, 3905402710UL, 606105819UL, 3250441966UL, - 4118548399UL, 1200080426UL, 2821735955UL, 4249261313UL, - 1770035416UL, 2336552879UL, 4294925233UL, 2304563134UL, - 1804603682UL, 4254626195UL, 2792965006UL, 1236535329UL, - }; - FF (a, b, c, d, in[i], round1s[i%4], round1consts[i]); - ROTATE; - } - for (i = 0; i < 16; i++) { - const unsigned char round2s[] = { 5, 9, 14, 20 }; - const krb5_ui_4 round2consts[] = { - 4129170786UL, 3225465664UL, 643717713UL, 3921069994UL, - 3593408605UL, 38016083UL, 3634488961UL, 3889429448UL, - 568446438UL, 3275163606UL, 4107603335UL, 1163531501UL, - 2850285829UL, 4243563512UL, 1735328473UL, 2368359562UL, - }; - int r2index = (1 + i * 5) % 16; - GG (a, b, c, d, in[r2index], round2s[i%4], round2consts[i]); - ROTATE; - } - for (i = 0; i < 16; i++) { - static const unsigned char round3s[] = { 4, 11, 16, 23 }; - static const krb5_ui_4 round3consts[] = { - 4294588738UL, 2272392833UL, 1839030562UL, 4259657740UL, - 2763975236UL, 1272893353UL, 4139469664UL, 3200236656UL, - 681279174UL, 3936430074UL, 3572445317UL, 76029189UL, - 3654602809UL, 3873151461UL, 530742520UL, 3299628645UL, - }; - int r3index = (5 + i * 3) % 16; - HH (a, b, c, d, in[r3index], round3s[i%4], round3consts[i]); - ROTATE; - } - for (i = 0; i < 16; i++) { - static const unsigned char round4s[] = { 6, 10, 15, 21 }; - static const krb5_ui_4 round4consts[] = { - 4096336452UL, 1126891415UL, 2878612391UL, 4237533241UL, - 1700485571UL, 2399980690UL, 4293915773UL, 2240044497UL, - 1873313359UL, 4264355552UL, 2734768916UL, 1309151649UL, - 4149444226UL, 3174756917UL, 718787259UL, 3951481745UL, - }; - int r4index = (7 * i) % 16; - II (a, b, c, d, in[r4index], round4s[i%4], round4consts[i]); - ROTATE; - } + for (i = 0; i < 16; i++) { + const unsigned char round1s[] = { 7, 12, 17, 22 }; + const krb5_ui_4 round1consts[] = { + 3614090360UL, 3905402710UL, 606105819UL, 3250441966UL, + 4118548399UL, 1200080426UL, 2821735955UL, 4249261313UL, + 1770035416UL, 2336552879UL, 4294925233UL, 2304563134UL, + 1804603682UL, 4254626195UL, 2792965006UL, 1236535329UL, + }; + FF (a, b, c, d, in[i], round1s[i%4], round1consts[i]); + ROTATE; + } + for (i = 0; i < 16; i++) { + const unsigned char round2s[] = { 5, 9, 14, 20 }; + const krb5_ui_4 round2consts[] = { + 4129170786UL, 3225465664UL, 643717713UL, 3921069994UL, + 3593408605UL, 38016083UL, 3634488961UL, 3889429448UL, + 568446438UL, 3275163606UL, 4107603335UL, 1163531501UL, + 2850285829UL, 4243563512UL, 1735328473UL, 2368359562UL, + }; + int r2index = (1 + i * 5) % 16; + GG (a, b, c, d, in[r2index], round2s[i%4], round2consts[i]); + ROTATE; + } + for (i = 0; i < 16; i++) { + static const unsigned char round3s[] = { 4, 11, 16, 23 }; + static const krb5_ui_4 round3consts[] = { + 4294588738UL, 2272392833UL, 1839030562UL, 4259657740UL, + 2763975236UL, 1272893353UL, 4139469664UL, 3200236656UL, + 681279174UL, 3936430074UL, 3572445317UL, 76029189UL, + 3654602809UL, 3873151461UL, 530742520UL, 3299628645UL, + }; + int r3index = (5 + i * 3) % 16; + HH (a, b, c, d, in[r3index], round3s[i%4], round3consts[i]); + ROTATE; + } + for (i = 0; i < 16; i++) { + static const unsigned char round4s[] = { 6, 10, 15, 21 }; + static const krb5_ui_4 round4consts[] = { + 4096336452UL, 1126891415UL, 2878612391UL, 4237533241UL, + 1700485571UL, 2399980690UL, 4293915773UL, 2240044497UL, + 1873313359UL, 4264355552UL, 2734768916UL, 1309151649UL, + 4149444226UL, 3174756917UL, 718787259UL, 3951481745UL, + }; + int r4index = (7 * i) % 16; + II (a, b, c, d, in[r4index], round4s[i%4], round4consts[i]); + ROTATE; + } #else - /* Round 1 */ + /* Round 1 */ #define S11 7 #define S12 12 #define S13 17 #define S14 22 - FF ( a, b, c, d, in[ 0], S11, 3614090360UL); /* 1 */ - FF ( d, a, b, c, in[ 1], S12, 3905402710UL); /* 2 */ - FF ( c, d, a, b, in[ 2], S13, 606105819UL); /* 3 */ - FF ( b, c, d, a, in[ 3], S14, 3250441966UL); /* 4 */ - FF ( a, b, c, d, in[ 4], S11, 4118548399UL); /* 5 */ - FF ( d, a, b, c, in[ 5], S12, 1200080426UL); /* 6 */ - FF ( c, d, a, b, in[ 6], S13, 2821735955UL); /* 7 */ - FF ( b, c, d, a, in[ 7], S14, 4249261313UL); /* 8 */ - FF ( a, b, c, d, in[ 8], S11, 1770035416UL); /* 9 */ - FF ( d, a, b, c, in[ 9], S12, 2336552879UL); /* 10 */ - FF ( c, d, a, b, in[10], S13, 4294925233UL); /* 11 */ - FF ( b, c, d, a, in[11], S14, 2304563134UL); /* 12 */ - FF ( a, b, c, d, in[12], S11, 1804603682UL); /* 13 */ - FF ( d, a, b, c, in[13], S12, 4254626195UL); /* 14 */ - FF ( c, d, a, b, in[14], S13, 2792965006UL); /* 15 */ - FF ( b, c, d, a, in[15], S14, 1236535329UL); /* 16 */ - - /* Round 2 */ + FF ( a, b, c, d, in[ 0], S11, 3614090360UL); /* 1 */ + FF ( d, a, b, c, in[ 1], S12, 3905402710UL); /* 2 */ + FF ( c, d, a, b, in[ 2], S13, 606105819UL); /* 3 */ + FF ( b, c, d, a, in[ 3], S14, 3250441966UL); /* 4 */ + FF ( a, b, c, d, in[ 4], S11, 4118548399UL); /* 5 */ + FF ( d, a, b, c, in[ 5], S12, 1200080426UL); /* 6 */ + FF ( c, d, a, b, in[ 6], S13, 2821735955UL); /* 7 */ + FF ( b, c, d, a, in[ 7], S14, 4249261313UL); /* 8 */ + FF ( a, b, c, d, in[ 8], S11, 1770035416UL); /* 9 */ + FF ( d, a, b, c, in[ 9], S12, 2336552879UL); /* 10 */ + FF ( c, d, a, b, in[10], S13, 4294925233UL); /* 11 */ + FF ( b, c, d, a, in[11], S14, 2304563134UL); /* 12 */ + FF ( a, b, c, d, in[12], S11, 1804603682UL); /* 13 */ + FF ( d, a, b, c, in[13], S12, 4254626195UL); /* 14 */ + FF ( c, d, a, b, in[14], S13, 2792965006UL); /* 15 */ + FF ( b, c, d, a, in[15], S14, 1236535329UL); /* 16 */ + + /* Round 2 */ #define S21 5 #define S22 9 #define S23 14 #define S24 20 - GG ( a, b, c, d, in[ 1], S21, 4129170786UL); /* 17 */ - GG ( d, a, b, c, in[ 6], S22, 3225465664UL); /* 18 */ - GG ( c, d, a, b, in[11], S23, 643717713UL); /* 19 */ - GG ( b, c, d, a, in[ 0], S24, 3921069994UL); /* 20 */ - GG ( a, b, c, d, in[ 5], S21, 3593408605UL); /* 21 */ - GG ( d, a, b, c, in[10], S22, 38016083UL); /* 22 */ - GG ( c, d, a, b, in[15], S23, 3634488961UL); /* 23 */ - GG ( b, c, d, a, in[ 4], S24, 3889429448UL); /* 24 */ - GG ( a, b, c, d, in[ 9], S21, 568446438UL); /* 25 */ - GG ( d, a, b, c, in[14], S22, 3275163606UL); /* 26 */ - GG ( c, d, a, b, in[ 3], S23, 4107603335UL); /* 27 */ - GG ( b, c, d, a, in[ 8], S24, 1163531501UL); /* 28 */ - GG ( a, b, c, d, in[13], S21, 2850285829UL); /* 29 */ - GG ( d, a, b, c, in[ 2], S22, 4243563512UL); /* 30 */ - GG ( c, d, a, b, in[ 7], S23, 1735328473UL); /* 31 */ - GG ( b, c, d, a, in[12], S24, 2368359562UL); /* 32 */ - - /* Round 3 */ + GG ( a, b, c, d, in[ 1], S21, 4129170786UL); /* 17 */ + GG ( d, a, b, c, in[ 6], S22, 3225465664UL); /* 18 */ + GG ( c, d, a, b, in[11], S23, 643717713UL); /* 19 */ + GG ( b, c, d, a, in[ 0], S24, 3921069994UL); /* 20 */ + GG ( a, b, c, d, in[ 5], S21, 3593408605UL); /* 21 */ + GG ( d, a, b, c, in[10], S22, 38016083UL); /* 22 */ + GG ( c, d, a, b, in[15], S23, 3634488961UL); /* 23 */ + GG ( b, c, d, a, in[ 4], S24, 3889429448UL); /* 24 */ + GG ( a, b, c, d, in[ 9], S21, 568446438UL); /* 25 */ + GG ( d, a, b, c, in[14], S22, 3275163606UL); /* 26 */ + GG ( c, d, a, b, in[ 3], S23, 4107603335UL); /* 27 */ + GG ( b, c, d, a, in[ 8], S24, 1163531501UL); /* 28 */ + GG ( a, b, c, d, in[13], S21, 2850285829UL); /* 29 */ + GG ( d, a, b, c, in[ 2], S22, 4243563512UL); /* 30 */ + GG ( c, d, a, b, in[ 7], S23, 1735328473UL); /* 31 */ + GG ( b, c, d, a, in[12], S24, 2368359562UL); /* 32 */ + + /* Round 3 */ #define S31 4 #define S32 11 #define S33 16 #define S34 23 - HH ( a, b, c, d, in[ 5], S31, 4294588738UL); /* 33 */ - HH ( d, a, b, c, in[ 8], S32, 2272392833UL); /* 34 */ - HH ( c, d, a, b, in[11], S33, 1839030562UL); /* 35 */ - HH ( b, c, d, a, in[14], S34, 4259657740UL); /* 36 */ - HH ( a, b, c, d, in[ 1], S31, 2763975236UL); /* 37 */ - HH ( d, a, b, c, in[ 4], S32, 1272893353UL); /* 38 */ - HH ( c, d, a, b, in[ 7], S33, 4139469664UL); /* 39 */ - HH ( b, c, d, a, in[10], S34, 3200236656UL); /* 40 */ - HH ( a, b, c, d, in[13], S31, 681279174UL); /* 41 */ - HH ( d, a, b, c, in[ 0], S32, 3936430074UL); /* 42 */ - HH ( c, d, a, b, in[ 3], S33, 3572445317UL); /* 43 */ - HH ( b, c, d, a, in[ 6], S34, 76029189UL); /* 44 */ - HH ( a, b, c, d, in[ 9], S31, 3654602809UL); /* 45 */ - HH ( d, a, b, c, in[12], S32, 3873151461UL); /* 46 */ - HH ( c, d, a, b, in[15], S33, 530742520UL); /* 47 */ - HH ( b, c, d, a, in[ 2], S34, 3299628645UL); /* 48 */ - - /* Round 4 */ + HH ( a, b, c, d, in[ 5], S31, 4294588738UL); /* 33 */ + HH ( d, a, b, c, in[ 8], S32, 2272392833UL); /* 34 */ + HH ( c, d, a, b, in[11], S33, 1839030562UL); /* 35 */ + HH ( b, c, d, a, in[14], S34, 4259657740UL); /* 36 */ + HH ( a, b, c, d, in[ 1], S31, 2763975236UL); /* 37 */ + HH ( d, a, b, c, in[ 4], S32, 1272893353UL); /* 38 */ + HH ( c, d, a, b, in[ 7], S33, 4139469664UL); /* 39 */ + HH ( b, c, d, a, in[10], S34, 3200236656UL); /* 40 */ + HH ( a, b, c, d, in[13], S31, 681279174UL); /* 41 */ + HH ( d, a, b, c, in[ 0], S32, 3936430074UL); /* 42 */ + HH ( c, d, a, b, in[ 3], S33, 3572445317UL); /* 43 */ + HH ( b, c, d, a, in[ 6], S34, 76029189UL); /* 44 */ + HH ( a, b, c, d, in[ 9], S31, 3654602809UL); /* 45 */ + HH ( d, a, b, c, in[12], S32, 3873151461UL); /* 46 */ + HH ( c, d, a, b, in[15], S33, 530742520UL); /* 47 */ + HH ( b, c, d, a, in[ 2], S34, 3299628645UL); /* 48 */ + + /* Round 4 */ #define S41 6 #define S42 10 #define S43 15 #define S44 21 - II ( a, b, c, d, in[ 0], S41, 4096336452UL); /* 49 */ - II ( d, a, b, c, in[ 7], S42, 1126891415UL); /* 50 */ - II ( c, d, a, b, in[14], S43, 2878612391UL); /* 51 */ - II ( b, c, d, a, in[ 5], S44, 4237533241UL); /* 52 */ - II ( a, b, c, d, in[12], S41, 1700485571UL); /* 53 */ - II ( d, a, b, c, in[ 3], S42, 2399980690UL); /* 54 */ - II ( c, d, a, b, in[10], S43, 4293915773UL); /* 55 */ - II ( b, c, d, a, in[ 1], S44, 2240044497UL); /* 56 */ - II ( a, b, c, d, in[ 8], S41, 1873313359UL); /* 57 */ - II ( d, a, b, c, in[15], S42, 4264355552UL); /* 58 */ - II ( c, d, a, b, in[ 6], S43, 2734768916UL); /* 59 */ - II ( b, c, d, a, in[13], S44, 1309151649UL); /* 60 */ - II ( a, b, c, d, in[ 4], S41, 4149444226UL); /* 61 */ - II ( d, a, b, c, in[11], S42, 3174756917UL); /* 62 */ - II ( c, d, a, b, in[ 2], S43, 718787259UL); /* 63 */ - II ( b, c, d, a, in[ 9], S44, 3951481745UL); /* 64 */ + II ( a, b, c, d, in[ 0], S41, 4096336452UL); /* 49 */ + II ( d, a, b, c, in[ 7], S42, 1126891415UL); /* 50 */ + II ( c, d, a, b, in[14], S43, 2878612391UL); /* 51 */ + II ( b, c, d, a, in[ 5], S44, 4237533241UL); /* 52 */ + II ( a, b, c, d, in[12], S41, 1700485571UL); /* 53 */ + II ( d, a, b, c, in[ 3], S42, 2399980690UL); /* 54 */ + II ( c, d, a, b, in[10], S43, 4293915773UL); /* 55 */ + II ( b, c, d, a, in[ 1], S44, 2240044497UL); /* 56 */ + II ( a, b, c, d, in[ 8], S41, 1873313359UL); /* 57 */ + II ( d, a, b, c, in[15], S42, 4264355552UL); /* 58 */ + II ( c, d, a, b, in[ 6], S43, 2734768916UL); /* 59 */ + II ( b, c, d, a, in[13], S44, 1309151649UL); /* 60 */ + II ( a, b, c, d, in[ 4], S41, 4149444226UL); /* 61 */ + II ( d, a, b, c, in[11], S42, 3174756917UL); /* 62 */ + II ( c, d, a, b, in[ 2], S43, 718787259UL); /* 63 */ + II ( b, c, d, a, in[ 9], S44, 3951481745UL); /* 64 */ #endif /* small? */ - buf[0] += a; - buf[1] += b; - buf[2] += c; - buf[3] += d; + buf[0] += a; + buf[1] += b; + buf[2] += c; + buf[3] += d; } |