Ashley Mills / cyassl-lib

This is a port of cyaSSL 2.7.0.

Dependents:   CyaSSL_DTLS_Cellular CyaSSL_DTLS_Ethernet

ctaocrypt/src/ripemd.c@0:714293de3836, 2013-09-05 (annotated)

Committer:
ashleymills
Date:
Thu Sep 05 10:33:04 2013 +0000
Revision:
0:714293de3836
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ashleymills 0:714293de3836 1 /* ripemd.c
ashleymills 0:714293de3836 2 *
ashleymills 0:714293de3836 3 * Copyright (C) 2006-2013 wolfSSL Inc.
ashleymills 0:714293de3836 4 *
ashleymills 0:714293de3836 5 * This file is part of CyaSSL.
ashleymills 0:714293de3836 6 *
ashleymills 0:714293de3836 7 * CyaSSL is free software; you can redistribute it and/or modify
ashleymills 0:714293de3836 8 * it under the terms of the GNU General Public License as published by
ashleymills 0:714293de3836 9 * the Free Software Foundation; either version 2 of the License, or
ashleymills 0:714293de3836 10 * (at your option) any later version.
ashleymills 0:714293de3836 11 *
ashleymills 0:714293de3836 12 * CyaSSL is distributed in the hope that it will be useful,
ashleymills 0:714293de3836 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ashleymills 0:714293de3836 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ashleymills 0:714293de3836 15 * GNU General Public License for more details.
ashleymills 0:714293de3836 16 *
ashleymills 0:714293de3836 17 * You should have received a copy of the GNU General Public License
ashleymills 0:714293de3836 18 * along with this program; if not, write to the Free Software
ashleymills 0:714293de3836 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
ashleymills 0:714293de3836 20 */
ashleymills 0:714293de3836 21
ashleymills 0:714293de3836 22
ashleymills 0:714293de3836 23 #ifdef HAVE_CONFIG_H
ashleymills 0:714293de3836 24 #include <config.h>
ashleymills 0:714293de3836 25 #endif
ashleymills 0:714293de3836 26
ashleymills 0:714293de3836 27 #include <cyassl/ctaocrypt/settings.h>
ashleymills 0:714293de3836 28
ashleymills 0:714293de3836 29 #ifdef CYASSL_RIPEMD
ashleymills 0:714293de3836 30
ashleymills 0:714293de3836 31 #include <cyassl/ctaocrypt/ripemd.h>
ashleymills 0:714293de3836 32 #ifdef NO_INLINE
ashleymills 0:714293de3836 33 #include <cyassl/ctaocrypt/misc.h>
ashleymills 0:714293de3836 34 #else
ashleymills 0:714293de3836 35 #include <ctaocrypt/src/misc.c>
ashleymills 0:714293de3836 36 #endif
ashleymills 0:714293de3836 37
ashleymills 0:714293de3836 38
ashleymills 0:714293de3836 39 #ifndef min
ashleymills 0:714293de3836 40
ashleymills 0:714293de3836 41 static INLINE word32 min(word32 a, word32 b)
ashleymills 0:714293de3836 42 {
ashleymills 0:714293de3836 43 return a > b ? b : a;
ashleymills 0:714293de3836 44 }
ashleymills 0:714293de3836 45
ashleymills 0:714293de3836 46 #endif /* min */
ashleymills 0:714293de3836 47
ashleymills 0:714293de3836 48
ashleymills 0:714293de3836 49 void InitRipeMd(RipeMd* ripemd)
ashleymills 0:714293de3836 50 {
ashleymills 0:714293de3836 51 ripemd->digest[0] = 0x67452301L;
ashleymills 0:714293de3836 52 ripemd->digest[1] = 0xEFCDAB89L;
ashleymills 0:714293de3836 53 ripemd->digest[2] = 0x98BADCFEL;
ashleymills 0:714293de3836 54 ripemd->digest[3] = 0x10325476L;
ashleymills 0:714293de3836 55 ripemd->digest[4] = 0xC3D2E1F0L;
ashleymills 0:714293de3836 56
ashleymills 0:714293de3836 57 ripemd->buffLen = 0;
ashleymills 0:714293de3836 58 ripemd->loLen = 0;
ashleymills 0:714293de3836 59 ripemd->hiLen = 0;
ashleymills 0:714293de3836 60 }
ashleymills 0:714293de3836 61
ashleymills 0:714293de3836 62
ashleymills 0:714293de3836 63 /* for all */
ashleymills 0:714293de3836 64 #define F(x, y, z) (x ^ y ^ z)
ashleymills 0:714293de3836 65 #define G(x, y, z) (z ^ (x & (y^z)))
ashleymills 0:714293de3836 66 #define H(x, y, z) (z ^ (x | ~y))
ashleymills 0:714293de3836 67 #define I(x, y, z) (y ^ (z & (x^y)))
ashleymills 0:714293de3836 68 #define J(x, y, z) (x ^ (y | ~z))
ashleymills 0:714293de3836 69
ashleymills 0:714293de3836 70 #define k0 0
ashleymills 0:714293de3836 71 #define k1 0x5a827999
ashleymills 0:714293de3836 72 #define k2 0x6ed9eba1
ashleymills 0:714293de3836 73 #define k3 0x8f1bbcdc
ashleymills 0:714293de3836 74 #define k4 0xa953fd4e
ashleymills 0:714293de3836 75 #define k5 0x50a28be6
ashleymills 0:714293de3836 76 #define k6 0x5c4dd124
ashleymills 0:714293de3836 77 #define k7 0x6d703ef3
ashleymills 0:714293de3836 78 #define k8 0x7a6d76e9
ashleymills 0:714293de3836 79 #define k9 0
ashleymills 0:714293de3836 80
ashleymills 0:714293de3836 81 /* for 160 and 320 */
ashleymills 0:714293de3836 82 #define Subround(f, a, b, c, d, e, x, s, k) \
ashleymills 0:714293de3836 83 a += f(b, c, d) + x + k;\
ashleymills 0:714293de3836 84 a = rotlFixed((word32)a, s) + e;\
ashleymills 0:714293de3836 85 c = rotlFixed((word32)c, 10U)
ashleymills 0:714293de3836 86
ashleymills 0:714293de3836 87 static void Transform(RipeMd* ripemd)
ashleymills 0:714293de3836 88 {
ashleymills 0:714293de3836 89 word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;
ashleymills 0:714293de3836 90 a1 = a2 = ripemd->digest[0];
ashleymills 0:714293de3836 91 b1 = b2 = ripemd->digest[1];
ashleymills 0:714293de3836 92 c1 = c2 = ripemd->digest[2];
ashleymills 0:714293de3836 93 d1 = d2 = ripemd->digest[3];
ashleymills 0:714293de3836 94 e1 = e2 = ripemd->digest[4];
ashleymills 0:714293de3836 95
ashleymills 0:714293de3836 96 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0);
ashleymills 0:714293de3836 97 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0);
ashleymills 0:714293de3836 98 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0);
ashleymills 0:714293de3836 99 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0);
ashleymills 0:714293de3836 100 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 5, k0);
ashleymills 0:714293de3836 101 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5], 8, k0);
ashleymills 0:714293de3836 102 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 7, k0);
ashleymills 0:714293de3836 103 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7], 9, k0);
ashleymills 0:714293de3836 104 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0);
ashleymills 0:714293de3836 105 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0);
ashleymills 0:714293de3836 106 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0);
ashleymills 0:714293de3836 107 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0);
ashleymills 0:714293de3836 108 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12], 6, k0);
ashleymills 0:714293de3836 109 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13], 7, k0);
ashleymills 0:714293de3836 110 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14], 9, k0);
ashleymills 0:714293de3836 111 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15], 8, k0);
ashleymills 0:714293de3836 112
ashleymills 0:714293de3836 113 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 7, k1);
ashleymills 0:714293de3836 114 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4], 6, k1);
ashleymills 0:714293de3836 115 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13], 8, k1);
ashleymills 0:714293de3836 116 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1);
ashleymills 0:714293de3836 117 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1);
ashleymills 0:714293de3836 118 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 9, k1);
ashleymills 0:714293de3836 119 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15], 7, k1);
ashleymills 0:714293de3836 120 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1);
ashleymills 0:714293de3836 121 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12], 7, k1);
ashleymills 0:714293de3836 122 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1);
ashleymills 0:714293de3836 123 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1);
ashleymills 0:714293de3836 124 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5], 9, k1);
ashleymills 0:714293de3836 125 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1);
ashleymills 0:714293de3836 126 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14], 7, k1);
ashleymills 0:714293de3836 127 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1);
ashleymills 0:714293de3836 128 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1);
ashleymills 0:714293de3836 129
ashleymills 0:714293de3836 130 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2);
ashleymills 0:714293de3836 131 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2);
ashleymills 0:714293de3836 132 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14], 6, k2);
ashleymills 0:714293de3836 133 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 7, k2);
ashleymills 0:714293de3836 134 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2);
ashleymills 0:714293de3836 135 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15], 9, k2);
ashleymills 0:714293de3836 136 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2);
ashleymills 0:714293de3836 137 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2);
ashleymills 0:714293de3836 138 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2);
ashleymills 0:714293de3836 139 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 8, k2);
ashleymills 0:714293de3836 140 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2);
ashleymills 0:714293de3836 141 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6], 6, k2);
ashleymills 0:714293de3836 142 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13], 5, k2);
ashleymills 0:714293de3836 143 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2);
ashleymills 0:714293de3836 144 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 7, k2);
ashleymills 0:714293de3836 145 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12], 5, k2);
ashleymills 0:714293de3836 146
ashleymills 0:714293de3836 147 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3);
ashleymills 0:714293de3836 148 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3);
ashleymills 0:714293de3836 149 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3);
ashleymills 0:714293de3836 150 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3);
ashleymills 0:714293de3836 151 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3);
ashleymills 0:714293de3836 152 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3);
ashleymills 0:714293de3836 153 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12], 9, k3);
ashleymills 0:714293de3836 154 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 8, k3);
ashleymills 0:714293de3836 155 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13], 9, k3);
ashleymills 0:714293de3836 156 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3);
ashleymills 0:714293de3836 157 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 5, k3);
ashleymills 0:714293de3836 158 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15], 6, k3);
ashleymills 0:714293de3836 159 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14], 8, k3);
ashleymills 0:714293de3836 160 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 6, k3);
ashleymills 0:714293de3836 161 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 5, k3);
ashleymills 0:714293de3836 162 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3);
ashleymills 0:714293de3836 163
ashleymills 0:714293de3836 164 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 9, k4);
ashleymills 0:714293de3836 165 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4);
ashleymills 0:714293de3836 166 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 5, k4);
ashleymills 0:714293de3836 167 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4);
ashleymills 0:714293de3836 168 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 6, k4);
ashleymills 0:714293de3836 169 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12], 8, k4);
ashleymills 0:714293de3836 170 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4);
ashleymills 0:714293de3836 171 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4);
ashleymills 0:714293de3836 172 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14], 5, k4);
ashleymills 0:714293de3836 173 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4);
ashleymills 0:714293de3836 174 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4);
ashleymills 0:714293de3836 175 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4);
ashleymills 0:714293de3836 176 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4);
ashleymills 0:714293de3836 177 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 8, k4);
ashleymills 0:714293de3836 178 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15], 5, k4);
ashleymills 0:714293de3836 179 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13], 6, k4);
ashleymills 0:714293de3836 180
ashleymills 0:714293de3836 181 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5], 8, k5);
ashleymills 0:714293de3836 182 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14], 9, k5);
ashleymills 0:714293de3836 183 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7], 9, k5);
ashleymills 0:714293de3836 184 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5);
ashleymills 0:714293de3836 185 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5);
ashleymills 0:714293de3836 186 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5);
ashleymills 0:714293de3836 187 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5);
ashleymills 0:714293de3836 188 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 5, k5);
ashleymills 0:714293de3836 189 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13], 7, k5);
ashleymills 0:714293de3836 190 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 7, k5);
ashleymills 0:714293de3836 191 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15], 8, k5);
ashleymills 0:714293de3836 192 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5);
ashleymills 0:714293de3836 193 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5);
ashleymills 0:714293de3836 194 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5);
ashleymills 0:714293de3836 195 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5);
ashleymills 0:714293de3836 196 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12], 6, k5);
ashleymills 0:714293de3836 197
ashleymills 0:714293de3836 198 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6], 9, k6);
ashleymills 0:714293de3836 199 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6);
ashleymills 0:714293de3836 200 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6);
ashleymills 0:714293de3836 201 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7], 7, k6);
ashleymills 0:714293de3836 202 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6);
ashleymills 0:714293de3836 203 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13], 8, k6);
ashleymills 0:714293de3836 204 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5], 9, k6);
ashleymills 0:714293de3836 205 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6);
ashleymills 0:714293de3836 206 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14], 7, k6);
ashleymills 0:714293de3836 207 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15], 7, k6);
ashleymills 0:714293de3836 208 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6);
ashleymills 0:714293de3836 209 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12], 7, k6);
ashleymills 0:714293de3836 210 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4], 6, k6);
ashleymills 0:714293de3836 211 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6);
ashleymills 0:714293de3836 212 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6);
ashleymills 0:714293de3836 213 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6);
ashleymills 0:714293de3836 214
ashleymills 0:714293de3836 215 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15], 9, k7);
ashleymills 0:714293de3836 216 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5], 7, k7);
ashleymills 0:714293de3836 217 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7);
ashleymills 0:714293de3836 218 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7);
ashleymills 0:714293de3836 219 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 8, k7);
ashleymills 0:714293de3836 220 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14], 6, k7);
ashleymills 0:714293de3836 221 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6], 6, k7);
ashleymills 0:714293de3836 222 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7);
ashleymills 0:714293de3836 223 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7);
ashleymills 0:714293de3836 224 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7);
ashleymills 0:714293de3836 225 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12], 5, k7);
ashleymills 0:714293de3836 226 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7);
ashleymills 0:714293de3836 227 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7);
ashleymills 0:714293de3836 228 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7);
ashleymills 0:714293de3836 229 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4], 7, k7);
ashleymills 0:714293de3836 230 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13], 5, k7);
ashleymills 0:714293de3836 231
ashleymills 0:714293de3836 232 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8);
ashleymills 0:714293de3836 233 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 5, k8);
ashleymills 0:714293de3836 234 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4], 8, k8);
ashleymills 0:714293de3836 235 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8);
ashleymills 0:714293de3836 236 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8);
ashleymills 0:714293de3836 237 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8);
ashleymills 0:714293de3836 238 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15], 6, k8);
ashleymills 0:714293de3836 239 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8);
ashleymills 0:714293de3836 240 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5], 6, k8);
ashleymills 0:714293de3836 241 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12], 9, k8);
ashleymills 0:714293de3836 242 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8);
ashleymills 0:714293de3836 243 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13], 9, k8);
ashleymills 0:714293de3836 244 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8);
ashleymills 0:714293de3836 245 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 5, k8);
ashleymills 0:714293de3836 246 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8);
ashleymills 0:714293de3836 247 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14], 8, k8);
ashleymills 0:714293de3836 248
ashleymills 0:714293de3836 249 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12], 8, k9);
ashleymills 0:714293de3836 250 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15], 5, k9);
ashleymills 0:714293de3836 251 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9);
ashleymills 0:714293de3836 252 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 9, k9);
ashleymills 0:714293de3836 253 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9);
ashleymills 0:714293de3836 254 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5], 5, k9);
ashleymills 0:714293de3836 255 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9);
ashleymills 0:714293de3836 256 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 6, k9);
ashleymills 0:714293de3836 257 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6], 8, k9);
ashleymills 0:714293de3836 258 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9);
ashleymills 0:714293de3836 259 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13], 6, k9);
ashleymills 0:714293de3836 260 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14], 5, k9);
ashleymills 0:714293de3836 261 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9);
ashleymills 0:714293de3836 262 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9);
ashleymills 0:714293de3836 263 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9);
ashleymills 0:714293de3836 264 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9);
ashleymills 0:714293de3836 265
ashleymills 0:714293de3836 266 c1 = ripemd->digest[1] + c1 + d2;
ashleymills 0:714293de3836 267 ripemd->digest[1] = ripemd->digest[2] + d1 + e2;
ashleymills 0:714293de3836 268 ripemd->digest[2] = ripemd->digest[3] + e1 + a2;
ashleymills 0:714293de3836 269 ripemd->digest[3] = ripemd->digest[4] + a1 + b2;
ashleymills 0:714293de3836 270 ripemd->digest[4] = ripemd->digest[0] + b1 + c2;
ashleymills 0:714293de3836 271 ripemd->digest[0] = c1;
ashleymills 0:714293de3836 272 }
ashleymills 0:714293de3836 273
ashleymills 0:714293de3836 274
ashleymills 0:714293de3836 275 static INLINE void AddLength(RipeMd* ripemd, word32 len)
ashleymills 0:714293de3836 276 {
ashleymills 0:714293de3836 277 word32 tmp = ripemd->loLen;
ashleymills 0:714293de3836 278 if ( (ripemd->loLen += len) < tmp)
ashleymills 0:714293de3836 279 ripemd->hiLen++; /* carry low to high */
ashleymills 0:714293de3836 280 }
ashleymills 0:714293de3836 281
ashleymills 0:714293de3836 282
ashleymills 0:714293de3836 283 void RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len)
ashleymills 0:714293de3836 284 {
ashleymills 0:714293de3836 285 /* do block size increments */
ashleymills 0:714293de3836 286 byte* local = (byte*)ripemd->buffer;
ashleymills 0:714293de3836 287
ashleymills 0:714293de3836 288 while (len) {
ashleymills 0:714293de3836 289 word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
ashleymills 0:714293de3836 290 XMEMCPY(&local[ripemd->buffLen], data, add);
ashleymills 0:714293de3836 291
ashleymills 0:714293de3836 292 ripemd->buffLen += add;
ashleymills 0:714293de3836 293 data += add;
ashleymills 0:714293de3836 294 len -= add;
ashleymills 0:714293de3836 295
ashleymills 0:714293de3836 296 if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) {
ashleymills 0:714293de3836 297 #ifdef BIG_ENDIAN_ORDER
ashleymills 0:714293de3836 298 ByteReverseBytes(local, local, RIPEMD_BLOCK_SIZE);
ashleymills 0:714293de3836 299 #endif
ashleymills 0:714293de3836 300 Transform(ripemd);
ashleymills 0:714293de3836 301 AddLength(ripemd, RIPEMD_BLOCK_SIZE);
ashleymills 0:714293de3836 302 ripemd->buffLen = 0;
ashleymills 0:714293de3836 303 }
ashleymills 0:714293de3836 304 }
ashleymills 0:714293de3836 305 }
ashleymills 0:714293de3836 306
ashleymills 0:714293de3836 307
ashleymills 0:714293de3836 308 void RipeMdFinal(RipeMd* ripemd, byte* hash)
ashleymills 0:714293de3836 309 {
ashleymills 0:714293de3836 310 byte* local = (byte*)ripemd->buffer;
ashleymills 0:714293de3836 311
ashleymills 0:714293de3836 312 AddLength(ripemd, ripemd->buffLen); /* before adding pads */
ashleymills 0:714293de3836 313
ashleymills 0:714293de3836 314 local[ripemd->buffLen++] = 0x80; /* add 1 */
ashleymills 0:714293de3836 315
ashleymills 0:714293de3836 316 /* pad with zeros */
ashleymills 0:714293de3836 317 if (ripemd->buffLen > RIPEMD_PAD_SIZE) {
ashleymills 0:714293de3836 318 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
ashleymills 0:714293de3836 319 ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen;
ashleymills 0:714293de3836 320
ashleymills 0:714293de3836 321 #ifdef BIG_ENDIAN_ORDER
ashleymills 0:714293de3836 322 ByteReverseBytes(local, local, RIPEMD_BLOCK_SIZE);
ashleymills 0:714293de3836 323 #endif
ashleymills 0:714293de3836 324 Transform(ripemd);
ashleymills 0:714293de3836 325 ripemd->buffLen = 0;
ashleymills 0:714293de3836 326 }
ashleymills 0:714293de3836 327 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen);
ashleymills 0:714293de3836 328
ashleymills 0:714293de3836 329 /* put lengths in bits */
ashleymills 0:714293de3836 330 ripemd->loLen = ripemd->loLen << 3;
ashleymills 0:714293de3836 331 ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) +
ashleymills 0:714293de3836 332 (ripemd->hiLen << 3);
ashleymills 0:714293de3836 333
ashleymills 0:714293de3836 334 /* store lengths */
ashleymills 0:714293de3836 335 #ifdef BIG_ENDIAN_ORDER
ashleymills 0:714293de3836 336 ByteReverseBytes(local, local, RIPEMD_BLOCK_SIZE);
ashleymills 0:714293de3836 337 #endif
ashleymills 0:714293de3836 338 /* ! length ordering dependent on digest endian type ! */
ashleymills 0:714293de3836 339 XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32));
ashleymills 0:714293de3836 340 XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen,
ashleymills 0:714293de3836 341 sizeof(word32));
ashleymills 0:714293de3836 342
ashleymills 0:714293de3836 343 Transform(ripemd);
ashleymills 0:714293de3836 344 #ifdef BIG_ENDIAN_ORDER
ashleymills 0:714293de3836 345 ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE);
ashleymills 0:714293de3836 346 #endif
ashleymills 0:714293de3836 347 XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE);
ashleymills 0:714293de3836 348
ashleymills 0:714293de3836 349 InitRipeMd(ripemd); /* reset state */
ashleymills 0:714293de3836 350 }
ashleymills 0:714293de3836 351
ashleymills 0:714293de3836 352
ashleymills 0:714293de3836 353 #endif /* CYASSL_RIPEMD */