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ripemd.c
00001 /* ripemd.c 00002 * 00003 * Copyright (C) 2006-2014 wolfSSL Inc. 00004 * 00005 * This file is part of CyaSSL. 00006 * 00007 * CyaSSL is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * CyaSSL is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 00020 */ 00021 00022 00023 #ifdef HAVE_CONFIG_H 00024 #include <config.h> 00025 #endif 00026 00027 #include <cyassl/ctaocrypt/settings.h> 00028 00029 #ifdef CYASSL_RIPEMD 00030 00031 #include <cyassl/ctaocrypt/ripemd.h> 00032 #ifdef NO_INLINE 00033 #include <cyassl/ctaocrypt/misc.h> 00034 #else 00035 #include <ctaocrypt/src/misc.c> 00036 #endif 00037 00038 00039 #ifndef min 00040 00041 static INLINE word32 min(word32 a, word32 b) 00042 { 00043 return a > b ? b : a; 00044 } 00045 00046 #endif /* min */ 00047 00048 00049 void InitRipeMd(RipeMd* ripemd) 00050 { 00051 ripemd->digest[0] = 0x67452301L; 00052 ripemd->digest[1] = 0xEFCDAB89L; 00053 ripemd->digest[2] = 0x98BADCFEL; 00054 ripemd->digest[3] = 0x10325476L; 00055 ripemd->digest[4] = 0xC3D2E1F0L; 00056 00057 ripemd->buffLen = 0; 00058 ripemd->loLen = 0; 00059 ripemd->hiLen = 0; 00060 } 00061 00062 00063 /* for all */ 00064 #define F(x, y, z) (x ^ y ^ z) 00065 #define G(x, y, z) (z ^ (x & (y^z))) 00066 #define H(x, y, z) (z ^ (x | ~y)) 00067 #define I(x, y, z) (y ^ (z & (x^y))) 00068 #define J(x, y, z) (x ^ (y | ~z)) 00069 00070 #define k0 0 00071 #define k1 0x5a827999 00072 #define k2 0x6ed9eba1 00073 #define k3 0x8f1bbcdc 00074 #define k4 0xa953fd4e 00075 #define k5 0x50a28be6 00076 #define k6 0x5c4dd124 00077 #define k7 0x6d703ef3 00078 #define k8 0x7a6d76e9 00079 #define k9 0 00080 00081 /* for 160 and 320 */ 00082 #define Subround(f, a, b, c, d, e, x, s, k) \ 00083 a += f(b, c, d) + x + k;\ 00084 a = rotlFixed((word32)a, s) + e;\ 00085 c = rotlFixed((word32)c, 10U) 00086 00087 static void Transform(RipeMd* ripemd) 00088 { 00089 word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2; 00090 a1 = a2 = ripemd->digest[0]; 00091 b1 = b2 = ripemd->digest[1]; 00092 c1 = c2 = ripemd->digest[2]; 00093 d1 = d2 = ripemd->digest[3]; 00094 e1 = e2 = ripemd->digest[4]; 00095 00096 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0); 00097 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0); 00098 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0); 00099 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0); 00100 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 5, k0); 00101 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5], 8, k0); 00102 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 7, k0); 00103 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7], 9, k0); 00104 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0); 00105 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0); 00106 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0); 00107 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0); 00108 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12], 6, k0); 00109 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13], 7, k0); 00110 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14], 9, k0); 00111 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15], 8, k0); 00112 00113 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 7, k1); 00114 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4], 6, k1); 00115 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13], 8, k1); 00116 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1); 00117 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1); 00118 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 9, k1); 00119 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15], 7, k1); 00120 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1); 00121 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12], 7, k1); 00122 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1); 00123 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1); 00124 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5], 9, k1); 00125 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1); 00126 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14], 7, k1); 00127 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1); 00128 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1); 00129 00130 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2); 00131 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2); 00132 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14], 6, k2); 00133 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 7, k2); 00134 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2); 00135 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15], 9, k2); 00136 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2); 00137 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2); 00138 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2); 00139 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 8, k2); 00140 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2); 00141 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6], 6, k2); 00142 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13], 5, k2); 00143 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2); 00144 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 7, k2); 00145 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12], 5, k2); 00146 00147 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3); 00148 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3); 00149 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3); 00150 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3); 00151 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3); 00152 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3); 00153 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12], 9, k3); 00154 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 8, k3); 00155 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13], 9, k3); 00156 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3); 00157 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 5, k3); 00158 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15], 6, k3); 00159 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14], 8, k3); 00160 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 6, k3); 00161 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 5, k3); 00162 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3); 00163 00164 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 9, k4); 00165 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4); 00166 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 5, k4); 00167 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4); 00168 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 6, k4); 00169 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12], 8, k4); 00170 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4); 00171 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4); 00172 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14], 5, k4); 00173 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4); 00174 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4); 00175 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4); 00176 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4); 00177 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 8, k4); 00178 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15], 5, k4); 00179 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13], 6, k4); 00180 00181 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5], 8, k5); 00182 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14], 9, k5); 00183 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7], 9, k5); 00184 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5); 00185 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5); 00186 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5); 00187 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5); 00188 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 5, k5); 00189 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13], 7, k5); 00190 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 7, k5); 00191 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15], 8, k5); 00192 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5); 00193 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5); 00194 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5); 00195 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5); 00196 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12], 6, k5); 00197 00198 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6], 9, k6); 00199 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6); 00200 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6); 00201 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7], 7, k6); 00202 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6); 00203 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13], 8, k6); 00204 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5], 9, k6); 00205 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6); 00206 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14], 7, k6); 00207 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15], 7, k6); 00208 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6); 00209 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12], 7, k6); 00210 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4], 6, k6); 00211 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6); 00212 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6); 00213 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6); 00214 00215 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15], 9, k7); 00216 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5], 7, k7); 00217 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7); 00218 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7); 00219 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 8, k7); 00220 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14], 6, k7); 00221 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6], 6, k7); 00222 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7); 00223 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7); 00224 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7); 00225 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12], 5, k7); 00226 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7); 00227 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7); 00228 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7); 00229 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4], 7, k7); 00230 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13], 5, k7); 00231 00232 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8); 00233 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 5, k8); 00234 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4], 8, k8); 00235 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8); 00236 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8); 00237 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8); 00238 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15], 6, k8); 00239 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8); 00240 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5], 6, k8); 00241 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12], 9, k8); 00242 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8); 00243 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13], 9, k8); 00244 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8); 00245 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 5, k8); 00246 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8); 00247 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14], 8, k8); 00248 00249 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12], 8, k9); 00250 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15], 5, k9); 00251 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9); 00252 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 9, k9); 00253 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9); 00254 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5], 5, k9); 00255 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9); 00256 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 6, k9); 00257 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6], 8, k9); 00258 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9); 00259 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13], 6, k9); 00260 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14], 5, k9); 00261 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9); 00262 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9); 00263 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9); 00264 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9); 00265 00266 c1 = ripemd->digest[1] + c1 + d2; 00267 ripemd->digest[1] = ripemd->digest[2] + d1 + e2; 00268 ripemd->digest[2] = ripemd->digest[3] + e1 + a2; 00269 ripemd->digest[3] = ripemd->digest[4] + a1 + b2; 00270 ripemd->digest[4] = ripemd->digest[0] + b1 + c2; 00271 ripemd->digest[0] = c1; 00272 } 00273 00274 00275 static INLINE void AddLength(RipeMd* ripemd, word32 len) 00276 { 00277 word32 tmp = ripemd->loLen; 00278 if ( (ripemd->loLen += len) < tmp) 00279 ripemd->hiLen++; /* carry low to high */ 00280 } 00281 00282 00283 void RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len) 00284 { 00285 /* do block size increments */ 00286 byte* local = (byte*)ripemd->buffer; 00287 00288 while (len) { 00289 word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen); 00290 XMEMCPY(&local[ripemd->buffLen], data, add); 00291 00292 ripemd->buffLen += add; 00293 data += add; 00294 len -= add; 00295 00296 if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) { 00297 #ifdef BIG_ENDIAN_ORDER 00298 ByteReverseWords(ripemd->buffer, ripemd->buffer, 00299 RIPEMD_BLOCK_SIZE); 00300 #endif 00301 Transform(ripemd); 00302 AddLength(ripemd, RIPEMD_BLOCK_SIZE); 00303 ripemd->buffLen = 0; 00304 } 00305 } 00306 } 00307 00308 00309 void RipeMdFinal(RipeMd* ripemd, byte* hash) 00310 { 00311 byte* local = (byte*)ripemd->buffer; 00312 00313 AddLength(ripemd, ripemd->buffLen); /* before adding pads */ 00314 00315 local[ripemd->buffLen++] = 0x80; /* add 1 */ 00316 00317 /* pad with zeros */ 00318 if (ripemd->buffLen > RIPEMD_PAD_SIZE) { 00319 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen); 00320 ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen; 00321 00322 #ifdef BIG_ENDIAN_ORDER 00323 ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE); 00324 #endif 00325 Transform(ripemd); 00326 ripemd->buffLen = 0; 00327 } 00328 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen); 00329 00330 /* put lengths in bits */ 00331 ripemd->loLen = ripemd->loLen << 3; 00332 ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) + 00333 (ripemd->hiLen << 3); 00334 00335 /* store lengths */ 00336 #ifdef BIG_ENDIAN_ORDER 00337 ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE); 00338 #endif 00339 /* ! length ordering dependent on digest endian type ! */ 00340 XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32)); 00341 XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen, 00342 sizeof(word32)); 00343 00344 Transform(ripemd); 00345 #ifdef BIG_ENDIAN_ORDER 00346 ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE); 00347 #endif 00348 XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE); 00349 00350 InitRipeMd(ripemd); /* reset state */ 00351 } 00352 00353 00354 #endif /* CYASSL_RIPEMD */
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