1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/nss/lib/freebl/md5.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,594 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifdef FREEBL_NO_DEPEND
1.9 +#include "stubs.h"
1.10 +#endif
1.11 +
1.12 +#include "prerr.h"
1.13 +#include "secerr.h"
1.14 +
1.15 +#include "prtypes.h"
1.16 +#include "prlong.h"
1.17 +
1.18 +#include "blapi.h"
1.19 +
1.20 +#define MD5_HASH_LEN 16
1.21 +#define MD5_BUFFER_SIZE 64
1.22 +#define MD5_END_BUFFER (MD5_BUFFER_SIZE - 8)
1.23 +
1.24 +#define CV0_1 0x67452301
1.25 +#define CV0_2 0xefcdab89
1.26 +#define CV0_3 0x98badcfe
1.27 +#define CV0_4 0x10325476
1.28 +
1.29 +#define T1_0 0xd76aa478
1.30 +#define T1_1 0xe8c7b756
1.31 +#define T1_2 0x242070db
1.32 +#define T1_3 0xc1bdceee
1.33 +#define T1_4 0xf57c0faf
1.34 +#define T1_5 0x4787c62a
1.35 +#define T1_6 0xa8304613
1.36 +#define T1_7 0xfd469501
1.37 +#define T1_8 0x698098d8
1.38 +#define T1_9 0x8b44f7af
1.39 +#define T1_10 0xffff5bb1
1.40 +#define T1_11 0x895cd7be
1.41 +#define T1_12 0x6b901122
1.42 +#define T1_13 0xfd987193
1.43 +#define T1_14 0xa679438e
1.44 +#define T1_15 0x49b40821
1.45 +
1.46 +#define T2_0 0xf61e2562
1.47 +#define T2_1 0xc040b340
1.48 +#define T2_2 0x265e5a51
1.49 +#define T2_3 0xe9b6c7aa
1.50 +#define T2_4 0xd62f105d
1.51 +#define T2_5 0x02441453
1.52 +#define T2_6 0xd8a1e681
1.53 +#define T2_7 0xe7d3fbc8
1.54 +#define T2_8 0x21e1cde6
1.55 +#define T2_9 0xc33707d6
1.56 +#define T2_10 0xf4d50d87
1.57 +#define T2_11 0x455a14ed
1.58 +#define T2_12 0xa9e3e905
1.59 +#define T2_13 0xfcefa3f8
1.60 +#define T2_14 0x676f02d9
1.61 +#define T2_15 0x8d2a4c8a
1.62 +
1.63 +#define T3_0 0xfffa3942
1.64 +#define T3_1 0x8771f681
1.65 +#define T3_2 0x6d9d6122
1.66 +#define T3_3 0xfde5380c
1.67 +#define T3_4 0xa4beea44
1.68 +#define T3_5 0x4bdecfa9
1.69 +#define T3_6 0xf6bb4b60
1.70 +#define T3_7 0xbebfbc70
1.71 +#define T3_8 0x289b7ec6
1.72 +#define T3_9 0xeaa127fa
1.73 +#define T3_10 0xd4ef3085
1.74 +#define T3_11 0x04881d05
1.75 +#define T3_12 0xd9d4d039
1.76 +#define T3_13 0xe6db99e5
1.77 +#define T3_14 0x1fa27cf8
1.78 +#define T3_15 0xc4ac5665
1.79 +
1.80 +#define T4_0 0xf4292244
1.81 +#define T4_1 0x432aff97
1.82 +#define T4_2 0xab9423a7
1.83 +#define T4_3 0xfc93a039
1.84 +#define T4_4 0x655b59c3
1.85 +#define T4_5 0x8f0ccc92
1.86 +#define T4_6 0xffeff47d
1.87 +#define T4_7 0x85845dd1
1.88 +#define T4_8 0x6fa87e4f
1.89 +#define T4_9 0xfe2ce6e0
1.90 +#define T4_10 0xa3014314
1.91 +#define T4_11 0x4e0811a1
1.92 +#define T4_12 0xf7537e82
1.93 +#define T4_13 0xbd3af235
1.94 +#define T4_14 0x2ad7d2bb
1.95 +#define T4_15 0xeb86d391
1.96 +
1.97 +#define R1B0 0
1.98 +#define R1B1 1
1.99 +#define R1B2 2
1.100 +#define R1B3 3
1.101 +#define R1B4 4
1.102 +#define R1B5 5
1.103 +#define R1B6 6
1.104 +#define R1B7 7
1.105 +#define R1B8 8
1.106 +#define R1B9 9
1.107 +#define R1B10 10
1.108 +#define R1B11 11
1.109 +#define R1B12 12
1.110 +#define R1B13 13
1.111 +#define R1B14 14
1.112 +#define R1B15 15
1.113 +
1.114 +#define R2B0 1
1.115 +#define R2B1 6
1.116 +#define R2B2 11
1.117 +#define R2B3 0
1.118 +#define R2B4 5
1.119 +#define R2B5 10
1.120 +#define R2B6 15
1.121 +#define R2B7 4
1.122 +#define R2B8 9
1.123 +#define R2B9 14
1.124 +#define R2B10 3
1.125 +#define R2B11 8
1.126 +#define R2B12 13
1.127 +#define R2B13 2
1.128 +#define R2B14 7
1.129 +#define R2B15 12
1.130 +
1.131 +#define R3B0 5
1.132 +#define R3B1 8
1.133 +#define R3B2 11
1.134 +#define R3B3 14
1.135 +#define R3B4 1
1.136 +#define R3B5 4
1.137 +#define R3B6 7
1.138 +#define R3B7 10
1.139 +#define R3B8 13
1.140 +#define R3B9 0
1.141 +#define R3B10 3
1.142 +#define R3B11 6
1.143 +#define R3B12 9
1.144 +#define R3B13 12
1.145 +#define R3B14 15
1.146 +#define R3B15 2
1.147 +
1.148 +#define R4B0 0
1.149 +#define R4B1 7
1.150 +#define R4B2 14
1.151 +#define R4B3 5
1.152 +#define R4B4 12
1.153 +#define R4B5 3
1.154 +#define R4B6 10
1.155 +#define R4B7 1
1.156 +#define R4B8 8
1.157 +#define R4B9 15
1.158 +#define R4B10 6
1.159 +#define R4B11 13
1.160 +#define R4B12 4
1.161 +#define R4B13 11
1.162 +#define R4B14 2
1.163 +#define R4B15 9
1.164 +
1.165 +#define S1_0 7
1.166 +#define S1_1 12
1.167 +#define S1_2 17
1.168 +#define S1_3 22
1.169 +
1.170 +#define S2_0 5
1.171 +#define S2_1 9
1.172 +#define S2_2 14
1.173 +#define S2_3 20
1.174 +
1.175 +#define S3_0 4
1.176 +#define S3_1 11
1.177 +#define S3_2 16
1.178 +#define S3_3 23
1.179 +
1.180 +#define S4_0 6
1.181 +#define S4_1 10
1.182 +#define S4_2 15
1.183 +#define S4_3 21
1.184 +
1.185 +struct MD5ContextStr {
1.186 + PRUint32 lsbInput;
1.187 + PRUint32 msbInput;
1.188 + PRUint32 cv[4];
1.189 + union {
1.190 + PRUint8 b[64];
1.191 + PRUint32 w[16];
1.192 + } u;
1.193 +};
1.194 +
1.195 +#define inBuf u.b
1.196 +
1.197 +SECStatus
1.198 +MD5_Hash(unsigned char *dest, const char *src)
1.199 +{
1.200 + return MD5_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src));
1.201 +}
1.202 +
1.203 +SECStatus
1.204 +MD5_HashBuf(unsigned char *dest, const unsigned char *src, PRUint32 src_length)
1.205 +{
1.206 + unsigned int len;
1.207 + MD5Context cx;
1.208 +
1.209 + MD5_Begin(&cx);
1.210 + MD5_Update(&cx, src, src_length);
1.211 + MD5_End(&cx, dest, &len, MD5_HASH_LEN);
1.212 + memset(&cx, 0, sizeof cx);
1.213 + return SECSuccess;
1.214 +}
1.215 +
1.216 +MD5Context *
1.217 +MD5_NewContext(void)
1.218 +{
1.219 + /* no need to ZAlloc, MD5_Begin will init the context */
1.220 + MD5Context *cx = (MD5Context *)PORT_Alloc(sizeof(MD5Context));
1.221 + if (cx == NULL) {
1.222 + PORT_SetError(PR_OUT_OF_MEMORY_ERROR);
1.223 + return NULL;
1.224 + }
1.225 + return cx;
1.226 +}
1.227 +
1.228 +void
1.229 +MD5_DestroyContext(MD5Context *cx, PRBool freeit)
1.230 +{
1.231 + memset(cx, 0, sizeof *cx);
1.232 + if (freeit) {
1.233 + PORT_Free(cx);
1.234 + }
1.235 +}
1.236 +
1.237 +void
1.238 +MD5_Begin(MD5Context *cx)
1.239 +{
1.240 + cx->lsbInput = 0;
1.241 + cx->msbInput = 0;
1.242 +/* memset(cx->inBuf, 0, sizeof(cx->inBuf)); */
1.243 + cx->cv[0] = CV0_1;
1.244 + cx->cv[1] = CV0_2;
1.245 + cx->cv[2] = CV0_3;
1.246 + cx->cv[3] = CV0_4;
1.247 +}
1.248 +
1.249 +#define cls(i32, s) (tmp = i32, tmp << s | tmp >> (32 - s))
1.250 +
1.251 +#if defined(SOLARIS) || defined(HPUX)
1.252 +#define addto64(sumhigh, sumlow, addend) \
1.253 + sumlow += addend; sumhigh += (sumlow < addend);
1.254 +#else
1.255 +#define addto64(sumhigh, sumlow, addend) \
1.256 + sumlow += addend; if (sumlow < addend) ++sumhigh;
1.257 +#endif
1.258 +
1.259 +#define MASK 0x00ff00ff
1.260 +#ifdef IS_LITTLE_ENDIAN
1.261 +#define lendian(i32) \
1.262 + (i32)
1.263 +#else
1.264 +#define lendian(i32) \
1.265 + (tmp = i32 >> 16 | i32 << 16, (tmp & MASK) << 8 | tmp >> 8 & MASK)
1.266 +#endif
1.267 +
1.268 +#ifndef IS_LITTLE_ENDIAN
1.269 +
1.270 +#define lebytes(b4) \
1.271 + ((b4)[3] << 24 | (b4)[2] << 16 | (b4)[1] << 8 | (b4)[0])
1.272 +
1.273 +static void
1.274 +md5_prep_state_le(MD5Context *cx)
1.275 +{
1.276 + PRUint32 tmp;
1.277 + cx->u.w[0] = lendian(cx->u.w[0]);
1.278 + cx->u.w[1] = lendian(cx->u.w[1]);
1.279 + cx->u.w[2] = lendian(cx->u.w[2]);
1.280 + cx->u.w[3] = lendian(cx->u.w[3]);
1.281 + cx->u.w[4] = lendian(cx->u.w[4]);
1.282 + cx->u.w[5] = lendian(cx->u.w[5]);
1.283 + cx->u.w[6] = lendian(cx->u.w[6]);
1.284 + cx->u.w[7] = lendian(cx->u.w[7]);
1.285 + cx->u.w[8] = lendian(cx->u.w[8]);
1.286 + cx->u.w[9] = lendian(cx->u.w[9]);
1.287 + cx->u.w[10] = lendian(cx->u.w[10]);
1.288 + cx->u.w[11] = lendian(cx->u.w[11]);
1.289 + cx->u.w[12] = lendian(cx->u.w[12]);
1.290 + cx->u.w[13] = lendian(cx->u.w[13]);
1.291 + cx->u.w[14] = lendian(cx->u.w[14]);
1.292 + cx->u.w[15] = lendian(cx->u.w[15]);
1.293 +}
1.294 +
1.295 +static void
1.296 +md5_prep_buffer_le(MD5Context *cx, const PRUint8 *beBuf)
1.297 +{
1.298 + cx->u.w[0] = lebytes(&beBuf[0]);
1.299 + cx->u.w[1] = lebytes(&beBuf[4]);
1.300 + cx->u.w[2] = lebytes(&beBuf[8]);
1.301 + cx->u.w[3] = lebytes(&beBuf[12]);
1.302 + cx->u.w[4] = lebytes(&beBuf[16]);
1.303 + cx->u.w[5] = lebytes(&beBuf[20]);
1.304 + cx->u.w[6] = lebytes(&beBuf[24]);
1.305 + cx->u.w[7] = lebytes(&beBuf[28]);
1.306 + cx->u.w[8] = lebytes(&beBuf[32]);
1.307 + cx->u.w[9] = lebytes(&beBuf[36]);
1.308 + cx->u.w[10] = lebytes(&beBuf[40]);
1.309 + cx->u.w[11] = lebytes(&beBuf[44]);
1.310 + cx->u.w[12] = lebytes(&beBuf[48]);
1.311 + cx->u.w[13] = lebytes(&beBuf[52]);
1.312 + cx->u.w[14] = lebytes(&beBuf[56]);
1.313 + cx->u.w[15] = lebytes(&beBuf[60]);
1.314 +}
1.315 +#endif
1.316 +
1.317 +
1.318 +#define F(X, Y, Z) \
1.319 + ((X & Y) | ((~X) & Z))
1.320 +
1.321 +#define G(X, Y, Z) \
1.322 + ((X & Z) | (Y & (~Z)))
1.323 +
1.324 +#define H(X, Y, Z) \
1.325 + (X ^ Y ^ Z)
1.326 +
1.327 +#define I(X, Y, Z) \
1.328 + (Y ^ (X | (~Z)))
1.329 +
1.330 +#define FF(a, b, c, d, bufint, s, ti) \
1.331 + a = b + cls(a + F(b, c, d) + bufint + ti, s)
1.332 +
1.333 +#define GG(a, b, c, d, bufint, s, ti) \
1.334 + a = b + cls(a + G(b, c, d) + bufint + ti, s)
1.335 +
1.336 +#define HH(a, b, c, d, bufint, s, ti) \
1.337 + a = b + cls(a + H(b, c, d) + bufint + ti, s)
1.338 +
1.339 +#define II(a, b, c, d, bufint, s, ti) \
1.340 + a = b + cls(a + I(b, c, d) + bufint + ti, s)
1.341 +
1.342 +static void
1.343 +md5_compress(MD5Context *cx, const PRUint32 *wBuf)
1.344 +{
1.345 + PRUint32 a, b, c, d;
1.346 + PRUint32 tmp;
1.347 + a = cx->cv[0];
1.348 + b = cx->cv[1];
1.349 + c = cx->cv[2];
1.350 + d = cx->cv[3];
1.351 + FF(a, b, c, d, wBuf[R1B0 ], S1_0, T1_0);
1.352 + FF(d, a, b, c, wBuf[R1B1 ], S1_1, T1_1);
1.353 + FF(c, d, a, b, wBuf[R1B2 ], S1_2, T1_2);
1.354 + FF(b, c, d, a, wBuf[R1B3 ], S1_3, T1_3);
1.355 + FF(a, b, c, d, wBuf[R1B4 ], S1_0, T1_4);
1.356 + FF(d, a, b, c, wBuf[R1B5 ], S1_1, T1_5);
1.357 + FF(c, d, a, b, wBuf[R1B6 ], S1_2, T1_6);
1.358 + FF(b, c, d, a, wBuf[R1B7 ], S1_3, T1_7);
1.359 + FF(a, b, c, d, wBuf[R1B8 ], S1_0, T1_8);
1.360 + FF(d, a, b, c, wBuf[R1B9 ], S1_1, T1_9);
1.361 + FF(c, d, a, b, wBuf[R1B10], S1_2, T1_10);
1.362 + FF(b, c, d, a, wBuf[R1B11], S1_3, T1_11);
1.363 + FF(a, b, c, d, wBuf[R1B12], S1_0, T1_12);
1.364 + FF(d, a, b, c, wBuf[R1B13], S1_1, T1_13);
1.365 + FF(c, d, a, b, wBuf[R1B14], S1_2, T1_14);
1.366 + FF(b, c, d, a, wBuf[R1B15], S1_3, T1_15);
1.367 + GG(a, b, c, d, wBuf[R2B0 ], S2_0, T2_0);
1.368 + GG(d, a, b, c, wBuf[R2B1 ], S2_1, T2_1);
1.369 + GG(c, d, a, b, wBuf[R2B2 ], S2_2, T2_2);
1.370 + GG(b, c, d, a, wBuf[R2B3 ], S2_3, T2_3);
1.371 + GG(a, b, c, d, wBuf[R2B4 ], S2_0, T2_4);
1.372 + GG(d, a, b, c, wBuf[R2B5 ], S2_1, T2_5);
1.373 + GG(c, d, a, b, wBuf[R2B6 ], S2_2, T2_6);
1.374 + GG(b, c, d, a, wBuf[R2B7 ], S2_3, T2_7);
1.375 + GG(a, b, c, d, wBuf[R2B8 ], S2_0, T2_8);
1.376 + GG(d, a, b, c, wBuf[R2B9 ], S2_1, T2_9);
1.377 + GG(c, d, a, b, wBuf[R2B10], S2_2, T2_10);
1.378 + GG(b, c, d, a, wBuf[R2B11], S2_3, T2_11);
1.379 + GG(a, b, c, d, wBuf[R2B12], S2_0, T2_12);
1.380 + GG(d, a, b, c, wBuf[R2B13], S2_1, T2_13);
1.381 + GG(c, d, a, b, wBuf[R2B14], S2_2, T2_14);
1.382 + GG(b, c, d, a, wBuf[R2B15], S2_3, T2_15);
1.383 + HH(a, b, c, d, wBuf[R3B0 ], S3_0, T3_0);
1.384 + HH(d, a, b, c, wBuf[R3B1 ], S3_1, T3_1);
1.385 + HH(c, d, a, b, wBuf[R3B2 ], S3_2, T3_2);
1.386 + HH(b, c, d, a, wBuf[R3B3 ], S3_3, T3_3);
1.387 + HH(a, b, c, d, wBuf[R3B4 ], S3_0, T3_4);
1.388 + HH(d, a, b, c, wBuf[R3B5 ], S3_1, T3_5);
1.389 + HH(c, d, a, b, wBuf[R3B6 ], S3_2, T3_6);
1.390 + HH(b, c, d, a, wBuf[R3B7 ], S3_3, T3_7);
1.391 + HH(a, b, c, d, wBuf[R3B8 ], S3_0, T3_8);
1.392 + HH(d, a, b, c, wBuf[R3B9 ], S3_1, T3_9);
1.393 + HH(c, d, a, b, wBuf[R3B10], S3_2, T3_10);
1.394 + HH(b, c, d, a, wBuf[R3B11], S3_3, T3_11);
1.395 + HH(a, b, c, d, wBuf[R3B12], S3_0, T3_12);
1.396 + HH(d, a, b, c, wBuf[R3B13], S3_1, T3_13);
1.397 + HH(c, d, a, b, wBuf[R3B14], S3_2, T3_14);
1.398 + HH(b, c, d, a, wBuf[R3B15], S3_3, T3_15);
1.399 + II(a, b, c, d, wBuf[R4B0 ], S4_0, T4_0);
1.400 + II(d, a, b, c, wBuf[R4B1 ], S4_1, T4_1);
1.401 + II(c, d, a, b, wBuf[R4B2 ], S4_2, T4_2);
1.402 + II(b, c, d, a, wBuf[R4B3 ], S4_3, T4_3);
1.403 + II(a, b, c, d, wBuf[R4B4 ], S4_0, T4_4);
1.404 + II(d, a, b, c, wBuf[R4B5 ], S4_1, T4_5);
1.405 + II(c, d, a, b, wBuf[R4B6 ], S4_2, T4_6);
1.406 + II(b, c, d, a, wBuf[R4B7 ], S4_3, T4_7);
1.407 + II(a, b, c, d, wBuf[R4B8 ], S4_0, T4_8);
1.408 + II(d, a, b, c, wBuf[R4B9 ], S4_1, T4_9);
1.409 + II(c, d, a, b, wBuf[R4B10], S4_2, T4_10);
1.410 + II(b, c, d, a, wBuf[R4B11], S4_3, T4_11);
1.411 + II(a, b, c, d, wBuf[R4B12], S4_0, T4_12);
1.412 + II(d, a, b, c, wBuf[R4B13], S4_1, T4_13);
1.413 + II(c, d, a, b, wBuf[R4B14], S4_2, T4_14);
1.414 + II(b, c, d, a, wBuf[R4B15], S4_3, T4_15);
1.415 + cx->cv[0] += a;
1.416 + cx->cv[1] += b;
1.417 + cx->cv[2] += c;
1.418 + cx->cv[3] += d;
1.419 +}
1.420 +
1.421 +void
1.422 +MD5_Update(MD5Context *cx, const unsigned char *input, unsigned int inputLen)
1.423 +{
1.424 + PRUint32 bytesToConsume;
1.425 + PRUint32 inBufIndex = cx->lsbInput & 63;
1.426 + const PRUint32 *wBuf;
1.427 +
1.428 + /* Add the number of input bytes to the 64-bit input counter. */
1.429 + addto64(cx->msbInput, cx->lsbInput, inputLen);
1.430 + if (inBufIndex) {
1.431 + /* There is already data in the buffer. Fill with input. */
1.432 + bytesToConsume = PR_MIN(inputLen, MD5_BUFFER_SIZE - inBufIndex);
1.433 + memcpy(&cx->inBuf[inBufIndex], input, bytesToConsume);
1.434 + if (inBufIndex + bytesToConsume >= MD5_BUFFER_SIZE) {
1.435 + /* The buffer is filled. Run the compression function. */
1.436 +#ifndef IS_LITTLE_ENDIAN
1.437 + md5_prep_state_le(cx);
1.438 +#endif
1.439 + md5_compress(cx, cx->u.w);
1.440 + }
1.441 + /* Remaining input. */
1.442 + inputLen -= bytesToConsume;
1.443 + input += bytesToConsume;
1.444 + }
1.445 +
1.446 + /* Iterate over 64-byte chunks of the message. */
1.447 + while (inputLen >= MD5_BUFFER_SIZE) {
1.448 +#ifdef IS_LITTLE_ENDIAN
1.449 +#ifdef NSS_X86_OR_X64
1.450 + /* x86 can handle arithmetic on non-word-aligned buffers */
1.451 + wBuf = (PRUint32 *)input;
1.452 +#else
1.453 + if ((ptrdiff_t)input & 0x3) {
1.454 + /* buffer not aligned, copy it to force alignment */
1.455 + memcpy(cx->inBuf, input, MD5_BUFFER_SIZE);
1.456 + wBuf = cx->u.w;
1.457 + } else {
1.458 + /* buffer is aligned */
1.459 + wBuf = (PRUint32 *)input;
1.460 + }
1.461 +#endif
1.462 +#else
1.463 + md5_prep_buffer_le(cx, input);
1.464 + wBuf = cx->u.w;
1.465 +#endif
1.466 + md5_compress(cx, wBuf);
1.467 + inputLen -= MD5_BUFFER_SIZE;
1.468 + input += MD5_BUFFER_SIZE;
1.469 + }
1.470 +
1.471 + /* Tail of message (message bytes mod 64). */
1.472 + if (inputLen)
1.473 + memcpy(cx->inBuf, input, inputLen);
1.474 +}
1.475 +
1.476 +static const unsigned char padbytes[] = {
1.477 + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.478 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.479 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.480 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.481 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.482 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.483 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.484 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.485 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.486 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.487 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1.488 + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
1.489 +};
1.490 +
1.491 +void
1.492 +MD5_End(MD5Context *cx, unsigned char *digest,
1.493 + unsigned int *digestLen, unsigned int maxDigestLen)
1.494 +{
1.495 +#ifndef IS_LITTLE_ENDIAN
1.496 + PRUint32 tmp;
1.497 +#endif
1.498 + PRUint32 lowInput, highInput;
1.499 + PRUint32 inBufIndex = cx->lsbInput & 63;
1.500 +
1.501 + if (maxDigestLen < MD5_HASH_LEN) {
1.502 + PORT_SetError(SEC_ERROR_INVALID_ARGS);
1.503 + return;
1.504 + }
1.505 +
1.506 + /* Copy out the length of bits input before padding. */
1.507 + lowInput = cx->lsbInput;
1.508 + highInput = (cx->msbInput << 3) | (lowInput >> 29);
1.509 + lowInput <<= 3;
1.510 +
1.511 + if (inBufIndex < MD5_END_BUFFER) {
1.512 + MD5_Update(cx, padbytes, MD5_END_BUFFER - inBufIndex);
1.513 + } else {
1.514 + MD5_Update(cx, padbytes,
1.515 + MD5_END_BUFFER + MD5_BUFFER_SIZE - inBufIndex);
1.516 + }
1.517 +
1.518 + /* Store the number of bytes input (before padding) in final 64 bits. */
1.519 + cx->u.w[14] = lendian(lowInput);
1.520 + cx->u.w[15] = lendian(highInput);
1.521 +
1.522 + /* Final call to compress. */
1.523 +#ifndef IS_LITTLE_ENDIAN
1.524 + md5_prep_state_le(cx);
1.525 +#endif
1.526 + md5_compress(cx, cx->u.w);
1.527 +
1.528 + /* Copy the resulting values out of the chain variables into return buf. */
1.529 + if (digestLen)
1.530 + *digestLen = MD5_HASH_LEN;
1.531 +#ifndef IS_LITTLE_ENDIAN
1.532 + cx->cv[0] = lendian(cx->cv[0]);
1.533 + cx->cv[1] = lendian(cx->cv[1]);
1.534 + cx->cv[2] = lendian(cx->cv[2]);
1.535 + cx->cv[3] = lendian(cx->cv[3]);
1.536 +#endif
1.537 + memcpy(digest, cx->cv, MD5_HASH_LEN);
1.538 +}
1.539 +
1.540 +void
1.541 +MD5_EndRaw(MD5Context *cx, unsigned char *digest,
1.542 + unsigned int *digestLen, unsigned int maxDigestLen)
1.543 +{
1.544 +#ifndef IS_LITTLE_ENDIAN
1.545 + PRUint32 tmp;
1.546 +#endif
1.547 + PRUint32 cv[4];
1.548 +
1.549 + if (maxDigestLen < MD5_HASH_LEN) {
1.550 + PORT_SetError(SEC_ERROR_INVALID_ARGS);
1.551 + return;
1.552 + }
1.553 +
1.554 + memcpy(cv, cx->cv, sizeof(cv));
1.555 +#ifndef IS_LITTLE_ENDIAN
1.556 + cv[0] = lendian(cv[0]);
1.557 + cv[1] = lendian(cv[1]);
1.558 + cv[2] = lendian(cv[2]);
1.559 + cv[3] = lendian(cv[3]);
1.560 +#endif
1.561 + memcpy(digest, cv, MD5_HASH_LEN);
1.562 + if (digestLen)
1.563 + *digestLen = MD5_HASH_LEN;
1.564 +}
1.565 +
1.566 +unsigned int
1.567 +MD5_FlattenSize(MD5Context *cx)
1.568 +{
1.569 + return sizeof(*cx);
1.570 +}
1.571 +
1.572 +SECStatus
1.573 +MD5_Flatten(MD5Context *cx, unsigned char *space)
1.574 +{
1.575 + memcpy(space, cx, sizeof(*cx));
1.576 + return SECSuccess;
1.577 +}
1.578 +
1.579 +MD5Context *
1.580 +MD5_Resurrect(unsigned char *space, void *arg)
1.581 +{
1.582 + MD5Context *cx = MD5_NewContext();
1.583 + if (cx)
1.584 + memcpy(cx, space, sizeof(*cx));
1.585 + return cx;
1.586 +}
1.587 +
1.588 +void MD5_Clone(MD5Context *dest, MD5Context *src)
1.589 +{
1.590 + memcpy(dest, src, sizeof *dest);
1.591 +}
1.592 +
1.593 +void
1.594 +MD5_TraceState(MD5Context *cx)
1.595 +{
1.596 + PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
1.597 +}
