MultiTech / CyaSSL

A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents:   HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

ctaocrypt/src/ripemd.c@6:cf58d49e1a86, 2015-03-23 (annotated)

Committer:
Mike Fiore
Date:
Mon Mar 23 16:51:07 2015 -0500
Revision:
6:cf58d49e1a86
Parent:
0:b86d15c6ba29 
fix whitespace in sha512.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 0:b86d15c6ba29 1 /* ripemd.c
Vanger 0:b86d15c6ba29 2 *
Vanger 0:b86d15c6ba29 3 * Copyright (C) 2006-2014 wolfSSL Inc.
Vanger 0:b86d15c6ba29 4 *
Vanger 0:b86d15c6ba29 5 * This file is part of CyaSSL.
Vanger 0:b86d15c6ba29 6 *
Vanger 0:b86d15c6ba29 7 * CyaSSL is free software; you can redistribute it and/or modify
Vanger 0:b86d15c6ba29 8 * it under the terms of the GNU General Public License as published by
Vanger 0:b86d15c6ba29 9 * the Free Software Foundation; either version 2 of the License, or
Vanger 0:b86d15c6ba29 10 * (at your option) any later version.
Vanger 0:b86d15c6ba29 11 *
Vanger 0:b86d15c6ba29 12 * CyaSSL is distributed in the hope that it will be useful,
Vanger 0:b86d15c6ba29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger 0:b86d15c6ba29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger 0:b86d15c6ba29 15 * GNU General Public License for more details.
Vanger 0:b86d15c6ba29 16 *
Vanger 0:b86d15c6ba29 17 * You should have received a copy of the GNU General Public License
Vanger 0:b86d15c6ba29 18 * along with this program; if not, write to the Free Software
Vanger 0:b86d15c6ba29 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger 0:b86d15c6ba29 20 */
Vanger 0:b86d15c6ba29 21
Vanger 0:b86d15c6ba29 22
Vanger 0:b86d15c6ba29 23 #ifdef HAVE_CONFIG_H
Vanger 0:b86d15c6ba29 24 #include <config.h>
Vanger 0:b86d15c6ba29 25 #endif
Vanger 0:b86d15c6ba29 26
Vanger 0:b86d15c6ba29 27 #include <cyassl/ctaocrypt/settings.h>
Vanger 0:b86d15c6ba29 28
Vanger 0:b86d15c6ba29 29 #ifdef CYASSL_RIPEMD
Vanger 0:b86d15c6ba29 30
Vanger 0:b86d15c6ba29 31 #include <cyassl/ctaocrypt/ripemd.h>
Vanger 0:b86d15c6ba29 32 #ifdef NO_INLINE
Vanger 0:b86d15c6ba29 33 #include <cyassl/ctaocrypt/misc.h>
Vanger 0:b86d15c6ba29 34 #else
Vanger 0:b86d15c6ba29 35 #include <ctaocrypt/src/misc.c>
Vanger 0:b86d15c6ba29 36 #endif
Vanger 0:b86d15c6ba29 37
Vanger 0:b86d15c6ba29 38
Vanger 0:b86d15c6ba29 39 #ifndef min
Vanger 0:b86d15c6ba29 40
Vanger 0:b86d15c6ba29 41 static INLINE word32 min(word32 a, word32 b)
Vanger 0:b86d15c6ba29 42 {
Vanger 0:b86d15c6ba29 43 return a > b ? b : a;
Vanger 0:b86d15c6ba29 44 }
Vanger 0:b86d15c6ba29 45
Vanger 0:b86d15c6ba29 46 #endif /* min */
Vanger 0:b86d15c6ba29 47
Vanger 0:b86d15c6ba29 48
Vanger 0:b86d15c6ba29 49 void InitRipeMd(RipeMd* ripemd)
Vanger 0:b86d15c6ba29 50 {
Vanger 0:b86d15c6ba29 51 ripemd->digest[0] = 0x67452301L;
Vanger 0:b86d15c6ba29 52 ripemd->digest[1] = 0xEFCDAB89L;
Vanger 0:b86d15c6ba29 53 ripemd->digest[2] = 0x98BADCFEL;
Vanger 0:b86d15c6ba29 54 ripemd->digest[3] = 0x10325476L;
Vanger 0:b86d15c6ba29 55 ripemd->digest[4] = 0xC3D2E1F0L;
Vanger 0:b86d15c6ba29 56
Vanger 0:b86d15c6ba29 57 ripemd->buffLen = 0;
Vanger 0:b86d15c6ba29 58 ripemd->loLen = 0;
Vanger 0:b86d15c6ba29 59 ripemd->hiLen = 0;
Vanger 0:b86d15c6ba29 60 }
Vanger 0:b86d15c6ba29 61
Vanger 0:b86d15c6ba29 62
Vanger 0:b86d15c6ba29 63 /* for all */
Vanger 0:b86d15c6ba29 64 #define F(x, y, z) (x ^ y ^ z)
Vanger 0:b86d15c6ba29 65 #define G(x, y, z) (z ^ (x & (y^z)))
Vanger 0:b86d15c6ba29 66 #define H(x, y, z) (z ^ (x | ~y))
Vanger 0:b86d15c6ba29 67 #define I(x, y, z) (y ^ (z & (x^y)))
Vanger 0:b86d15c6ba29 68 #define J(x, y, z) (x ^ (y | ~z))
Vanger 0:b86d15c6ba29 69
Vanger 0:b86d15c6ba29 70 #define k0 0
Vanger 0:b86d15c6ba29 71 #define k1 0x5a827999
Vanger 0:b86d15c6ba29 72 #define k2 0x6ed9eba1
Vanger 0:b86d15c6ba29 73 #define k3 0x8f1bbcdc
Vanger 0:b86d15c6ba29 74 #define k4 0xa953fd4e
Vanger 0:b86d15c6ba29 75 #define k5 0x50a28be6
Vanger 0:b86d15c6ba29 76 #define k6 0x5c4dd124
Vanger 0:b86d15c6ba29 77 #define k7 0x6d703ef3
Vanger 0:b86d15c6ba29 78 #define k8 0x7a6d76e9
Vanger 0:b86d15c6ba29 79 #define k9 0
Vanger 0:b86d15c6ba29 80
Vanger 0:b86d15c6ba29 81 /* for 160 and 320 */
Vanger 0:b86d15c6ba29 82 #define Subround(f, a, b, c, d, e, x, s, k) \
Vanger 0:b86d15c6ba29 83 a += f(b, c, d) + x + k;\
Vanger 0:b86d15c6ba29 84 a = rotlFixed((word32)a, s) + e;\
Vanger 0:b86d15c6ba29 85 c = rotlFixed((word32)c, 10U)
Vanger 0:b86d15c6ba29 86
Vanger 0:b86d15c6ba29 87 static void Transform(RipeMd* ripemd)
Vanger 0:b86d15c6ba29 88 {
Vanger 0:b86d15c6ba29 89 word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;
Vanger 0:b86d15c6ba29 90 a1 = a2 = ripemd->digest[0];
Vanger 0:b86d15c6ba29 91 b1 = b2 = ripemd->digest[1];
Vanger 0:b86d15c6ba29 92 c1 = c2 = ripemd->digest[2];
Vanger 0:b86d15c6ba29 93 d1 = d2 = ripemd->digest[3];
Vanger 0:b86d15c6ba29 94 e1 = e2 = ripemd->digest[4];
Vanger 0:b86d15c6ba29 95
Vanger 0:b86d15c6ba29 96 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0);
Vanger 0:b86d15c6ba29 97 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0);
Vanger 0:b86d15c6ba29 98 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0);
Vanger 0:b86d15c6ba29 99 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0);
Vanger 0:b86d15c6ba29 100 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 5, k0);
Vanger 0:b86d15c6ba29 101 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5], 8, k0);
Vanger 0:b86d15c6ba29 102 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 7, k0);
Vanger 0:b86d15c6ba29 103 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7], 9, k0);
Vanger 0:b86d15c6ba29 104 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0);
Vanger 0:b86d15c6ba29 105 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0);
Vanger 0:b86d15c6ba29 106 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0);
Vanger 0:b86d15c6ba29 107 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0);
Vanger 0:b86d15c6ba29 108 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12], 6, k0);
Vanger 0:b86d15c6ba29 109 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13], 7, k0);
Vanger 0:b86d15c6ba29 110 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14], 9, k0);
Vanger 0:b86d15c6ba29 111 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15], 8, k0);
Vanger 0:b86d15c6ba29 112
Vanger 0:b86d15c6ba29 113 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 7, k1);
Vanger 0:b86d15c6ba29 114 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4], 6, k1);
Vanger 0:b86d15c6ba29 115 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13], 8, k1);
Vanger 0:b86d15c6ba29 116 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1);
Vanger 0:b86d15c6ba29 117 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1);
Vanger 0:b86d15c6ba29 118 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 9, k1);
Vanger 0:b86d15c6ba29 119 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15], 7, k1);
Vanger 0:b86d15c6ba29 120 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1);
Vanger 0:b86d15c6ba29 121 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12], 7, k1);
Vanger 0:b86d15c6ba29 122 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1);
Vanger 0:b86d15c6ba29 123 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1);
Vanger 0:b86d15c6ba29 124 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5], 9, k1);
Vanger 0:b86d15c6ba29 125 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1);
Vanger 0:b86d15c6ba29 126 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14], 7, k1);
Vanger 0:b86d15c6ba29 127 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1);
Vanger 0:b86d15c6ba29 128 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1);
Vanger 0:b86d15c6ba29 129
Vanger 0:b86d15c6ba29 130 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2);
Vanger 0:b86d15c6ba29 131 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2);
Vanger 0:b86d15c6ba29 132 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14], 6, k2);
Vanger 0:b86d15c6ba29 133 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 7, k2);
Vanger 0:b86d15c6ba29 134 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2);
Vanger 0:b86d15c6ba29 135 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15], 9, k2);
Vanger 0:b86d15c6ba29 136 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2);
Vanger 0:b86d15c6ba29 137 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2);
Vanger 0:b86d15c6ba29 138 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2);
Vanger 0:b86d15c6ba29 139 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 8, k2);
Vanger 0:b86d15c6ba29 140 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2);
Vanger 0:b86d15c6ba29 141 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6], 6, k2);
Vanger 0:b86d15c6ba29 142 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13], 5, k2);
Vanger 0:b86d15c6ba29 143 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2);
Vanger 0:b86d15c6ba29 144 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 7, k2);
Vanger 0:b86d15c6ba29 145 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12], 5, k2);
Vanger 0:b86d15c6ba29 146
Vanger 0:b86d15c6ba29 147 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3);
Vanger 0:b86d15c6ba29 148 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3);
Vanger 0:b86d15c6ba29 149 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3);
Vanger 0:b86d15c6ba29 150 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3);
Vanger 0:b86d15c6ba29 151 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3);
Vanger 0:b86d15c6ba29 152 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3);
Vanger 0:b86d15c6ba29 153 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12], 9, k3);
Vanger 0:b86d15c6ba29 154 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 8, k3);
Vanger 0:b86d15c6ba29 155 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13], 9, k3);
Vanger 0:b86d15c6ba29 156 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3);
Vanger 0:b86d15c6ba29 157 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 5, k3);
Vanger 0:b86d15c6ba29 158 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15], 6, k3);
Vanger 0:b86d15c6ba29 159 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14], 8, k3);
Vanger 0:b86d15c6ba29 160 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 6, k3);
Vanger 0:b86d15c6ba29 161 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 5, k3);
Vanger 0:b86d15c6ba29 162 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3);
Vanger 0:b86d15c6ba29 163
Vanger 0:b86d15c6ba29 164 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 9, k4);
Vanger 0:b86d15c6ba29 165 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4);
Vanger 0:b86d15c6ba29 166 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 5, k4);
Vanger 0:b86d15c6ba29 167 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4);
Vanger 0:b86d15c6ba29 168 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 6, k4);
Vanger 0:b86d15c6ba29 169 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12], 8, k4);
Vanger 0:b86d15c6ba29 170 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4);
Vanger 0:b86d15c6ba29 171 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4);
Vanger 0:b86d15c6ba29 172 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14], 5, k4);
Vanger 0:b86d15c6ba29 173 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4);
Vanger 0:b86d15c6ba29 174 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4);
Vanger 0:b86d15c6ba29 175 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4);
Vanger 0:b86d15c6ba29 176 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4);
Vanger 0:b86d15c6ba29 177 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 8, k4);
Vanger 0:b86d15c6ba29 178 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15], 5, k4);
Vanger 0:b86d15c6ba29 179 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13], 6, k4);
Vanger 0:b86d15c6ba29 180
Vanger 0:b86d15c6ba29 181 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5], 8, k5);
Vanger 0:b86d15c6ba29 182 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14], 9, k5);
Vanger 0:b86d15c6ba29 183 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7], 9, k5);
Vanger 0:b86d15c6ba29 184 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5);
Vanger 0:b86d15c6ba29 185 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5);
Vanger 0:b86d15c6ba29 186 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5);
Vanger 0:b86d15c6ba29 187 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5);
Vanger 0:b86d15c6ba29 188 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 5, k5);
Vanger 0:b86d15c6ba29 189 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13], 7, k5);
Vanger 0:b86d15c6ba29 190 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 7, k5);
Vanger 0:b86d15c6ba29 191 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15], 8, k5);
Vanger 0:b86d15c6ba29 192 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5);
Vanger 0:b86d15c6ba29 193 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5);
Vanger 0:b86d15c6ba29 194 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5);
Vanger 0:b86d15c6ba29 195 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5);
Vanger 0:b86d15c6ba29 196 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12], 6, k5);
Vanger 0:b86d15c6ba29 197
Vanger 0:b86d15c6ba29 198 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6], 9, k6);
Vanger 0:b86d15c6ba29 199 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6);
Vanger 0:b86d15c6ba29 200 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6);
Vanger 0:b86d15c6ba29 201 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7], 7, k6);
Vanger 0:b86d15c6ba29 202 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6);
Vanger 0:b86d15c6ba29 203 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13], 8, k6);
Vanger 0:b86d15c6ba29 204 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5], 9, k6);
Vanger 0:b86d15c6ba29 205 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6);
Vanger 0:b86d15c6ba29 206 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14], 7, k6);
Vanger 0:b86d15c6ba29 207 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15], 7, k6);
Vanger 0:b86d15c6ba29 208 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6);
Vanger 0:b86d15c6ba29 209 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12], 7, k6);
Vanger 0:b86d15c6ba29 210 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4], 6, k6);
Vanger 0:b86d15c6ba29 211 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6);
Vanger 0:b86d15c6ba29 212 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6);
Vanger 0:b86d15c6ba29 213 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6);
Vanger 0:b86d15c6ba29 214
Vanger 0:b86d15c6ba29 215 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15], 9, k7);
Vanger 0:b86d15c6ba29 216 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5], 7, k7);
Vanger 0:b86d15c6ba29 217 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7);
Vanger 0:b86d15c6ba29 218 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7);
Vanger 0:b86d15c6ba29 219 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 8, k7);
Vanger 0:b86d15c6ba29 220 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14], 6, k7);
Vanger 0:b86d15c6ba29 221 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6], 6, k7);
Vanger 0:b86d15c6ba29 222 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7);
Vanger 0:b86d15c6ba29 223 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7);
Vanger 0:b86d15c6ba29 224 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7);
Vanger 0:b86d15c6ba29 225 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12], 5, k7);
Vanger 0:b86d15c6ba29 226 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7);
Vanger 0:b86d15c6ba29 227 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7);
Vanger 0:b86d15c6ba29 228 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7);
Vanger 0:b86d15c6ba29 229 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4], 7, k7);
Vanger 0:b86d15c6ba29 230 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13], 5, k7);
Vanger 0:b86d15c6ba29 231
Vanger 0:b86d15c6ba29 232 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8);
Vanger 0:b86d15c6ba29 233 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 5, k8);
Vanger 0:b86d15c6ba29 234 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4], 8, k8);
Vanger 0:b86d15c6ba29 235 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8);
Vanger 0:b86d15c6ba29 236 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8);
Vanger 0:b86d15c6ba29 237 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8);
Vanger 0:b86d15c6ba29 238 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15], 6, k8);
Vanger 0:b86d15c6ba29 239 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8);
Vanger 0:b86d15c6ba29 240 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5], 6, k8);
Vanger 0:b86d15c6ba29 241 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12], 9, k8);
Vanger 0:b86d15c6ba29 242 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8);
Vanger 0:b86d15c6ba29 243 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13], 9, k8);
Vanger 0:b86d15c6ba29 244 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8);
Vanger 0:b86d15c6ba29 245 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 5, k8);
Vanger 0:b86d15c6ba29 246 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8);
Vanger 0:b86d15c6ba29 247 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14], 8, k8);
Vanger 0:b86d15c6ba29 248
Vanger 0:b86d15c6ba29 249 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12], 8, k9);
Vanger 0:b86d15c6ba29 250 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15], 5, k9);
Vanger 0:b86d15c6ba29 251 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9);
Vanger 0:b86d15c6ba29 252 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 9, k9);
Vanger 0:b86d15c6ba29 253 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9);
Vanger 0:b86d15c6ba29 254 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5], 5, k9);
Vanger 0:b86d15c6ba29 255 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9);
Vanger 0:b86d15c6ba29 256 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 6, k9);
Vanger 0:b86d15c6ba29 257 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6], 8, k9);
Vanger 0:b86d15c6ba29 258 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9);
Vanger 0:b86d15c6ba29 259 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13], 6, k9);
Vanger 0:b86d15c6ba29 260 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14], 5, k9);
Vanger 0:b86d15c6ba29 261 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9);
Vanger 0:b86d15c6ba29 262 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9);
Vanger 0:b86d15c6ba29 263 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9);
Vanger 0:b86d15c6ba29 264 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9);
Vanger 0:b86d15c6ba29 265
Vanger 0:b86d15c6ba29 266 c1 = ripemd->digest[1] + c1 + d2;
Vanger 0:b86d15c6ba29 267 ripemd->digest[1] = ripemd->digest[2] + d1 + e2;
Vanger 0:b86d15c6ba29 268 ripemd->digest[2] = ripemd->digest[3] + e1 + a2;
Vanger 0:b86d15c6ba29 269 ripemd->digest[3] = ripemd->digest[4] + a1 + b2;
Vanger 0:b86d15c6ba29 270 ripemd->digest[4] = ripemd->digest[0] + b1 + c2;
Vanger 0:b86d15c6ba29 271 ripemd->digest[0] = c1;
Vanger 0:b86d15c6ba29 272 }
Vanger 0:b86d15c6ba29 273
Vanger 0:b86d15c6ba29 274
Vanger 0:b86d15c6ba29 275 static INLINE void AddLength(RipeMd* ripemd, word32 len)
Vanger 0:b86d15c6ba29 276 {
Vanger 0:b86d15c6ba29 277 word32 tmp = ripemd->loLen;
Vanger 0:b86d15c6ba29 278 if ( (ripemd->loLen += len) < tmp)
Vanger 0:b86d15c6ba29 279 ripemd->hiLen++; /* carry low to high */
Vanger 0:b86d15c6ba29 280 }
Vanger 0:b86d15c6ba29 281
Vanger 0:b86d15c6ba29 282
Vanger 0:b86d15c6ba29 283 void RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len)
Vanger 0:b86d15c6ba29 284 {
Vanger 0:b86d15c6ba29 285 /* do block size increments */
Vanger 0:b86d15c6ba29 286 byte* local = (byte*)ripemd->buffer;
Vanger 0:b86d15c6ba29 287
Vanger 0:b86d15c6ba29 288 while (len) {
Vanger 0:b86d15c6ba29 289 word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
Vanger 0:b86d15c6ba29 290 XMEMCPY(&local[ripemd->buffLen], data, add);
Vanger 0:b86d15c6ba29 291
Vanger 0:b86d15c6ba29 292 ripemd->buffLen += add;
Vanger 0:b86d15c6ba29 293 data += add;
Vanger 0:b86d15c6ba29 294 len -= add;
Vanger 0:b86d15c6ba29 295
Vanger 0:b86d15c6ba29 296 if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) {
Vanger 0:b86d15c6ba29 297 #ifdef BIG_ENDIAN_ORDER
Vanger 0:b86d15c6ba29 298 ByteReverseWords(ripemd->buffer, ripemd->buffer,
Vanger 0:b86d15c6ba29 299 RIPEMD_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 300 #endif
Vanger 0:b86d15c6ba29 301 Transform(ripemd);
Vanger 0:b86d15c6ba29 302 AddLength(ripemd, RIPEMD_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 303 ripemd->buffLen = 0;
Vanger 0:b86d15c6ba29 304 }
Vanger 0:b86d15c6ba29 305 }
Vanger 0:b86d15c6ba29 306 }
Vanger 0:b86d15c6ba29 307
Vanger 0:b86d15c6ba29 308
Vanger 0:b86d15c6ba29 309 void RipeMdFinal(RipeMd* ripemd, byte* hash)
Vanger 0:b86d15c6ba29 310 {
Vanger 0:b86d15c6ba29 311 byte* local = (byte*)ripemd->buffer;
Vanger 0:b86d15c6ba29 312
Vanger 0:b86d15c6ba29 313 AddLength(ripemd, ripemd->buffLen); /* before adding pads */
Vanger 0:b86d15c6ba29 314
Vanger 0:b86d15c6ba29 315 local[ripemd->buffLen++] = 0x80; /* add 1 */
Vanger 0:b86d15c6ba29 316
Vanger 0:b86d15c6ba29 317 /* pad with zeros */
Vanger 0:b86d15c6ba29 318 if (ripemd->buffLen > RIPEMD_PAD_SIZE) {
Vanger 0:b86d15c6ba29 319 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
Vanger 0:b86d15c6ba29 320 ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen;
Vanger 0:b86d15c6ba29 321
Vanger 0:b86d15c6ba29 322 #ifdef BIG_ENDIAN_ORDER
Vanger 0:b86d15c6ba29 323 ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 324 #endif
Vanger 0:b86d15c6ba29 325 Transform(ripemd);
Vanger 0:b86d15c6ba29 326 ripemd->buffLen = 0;
Vanger 0:b86d15c6ba29 327 }
Vanger 0:b86d15c6ba29 328 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen);
Vanger 0:b86d15c6ba29 329
Vanger 0:b86d15c6ba29 330 /* put lengths in bits */
Vanger 0:b86d15c6ba29 331 ripemd->loLen = ripemd->loLen << 3;
Vanger 0:b86d15c6ba29 332 ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) +
Vanger 0:b86d15c6ba29 333 (ripemd->hiLen << 3);
Vanger 0:b86d15c6ba29 334
Vanger 0:b86d15c6ba29 335 /* store lengths */
Vanger 0:b86d15c6ba29 336 #ifdef BIG_ENDIAN_ORDER
Vanger 0:b86d15c6ba29 337 ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 338 #endif
Vanger 0:b86d15c6ba29 339 /* ! length ordering dependent on digest endian type ! */
Vanger 0:b86d15c6ba29 340 XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32));
Vanger 0:b86d15c6ba29 341 XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen,
Vanger 0:b86d15c6ba29 342 sizeof(word32));
Vanger 0:b86d15c6ba29 343
Vanger 0:b86d15c6ba29 344 Transform(ripemd);
Vanger 0:b86d15c6ba29 345 #ifdef BIG_ENDIAN_ORDER
Vanger 0:b86d15c6ba29 346 ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE);
Vanger 0:b86d15c6ba29 347 #endif
Vanger 0:b86d15c6ba29 348 XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE);
Vanger 0:b86d15c6ba29 349
Vanger 0:b86d15c6ba29 350 InitRipeMd(ripemd); /* reset state */
Vanger 0:b86d15c6ba29 351 }
Vanger 0:b86d15c6ba29 352
Vanger 0:b86d15c6ba29 353
Vanger 0:b86d15c6ba29 354 #endif /* CYASSL_RIPEMD */