sl@0: /* crypto/md2/md2_dgst.c */ sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) sl@0: * All rights reserved. sl@0: * sl@0: * This package is an SSL implementation written sl@0: * by Eric Young (eay@cryptsoft.com). sl@0: * The implementation was written so as to conform with Netscapes SSL. sl@0: * sl@0: * This library is free for commercial and non-commercial use as long as sl@0: * the following conditions are aheared to. The following conditions sl@0: * apply to all code found in this distribution, be it the RC4, RSA, sl@0: * lhash, DES, etc., code; not just the SSL code. The SSL documentation sl@0: * included with this distribution is covered by the same copyright terms sl@0: * except that the holder is Tim Hudson (tjh@cryptsoft.com). sl@0: * sl@0: * Copyright remains Eric Young's, and as such any Copyright notices in sl@0: * the code are not to be removed. sl@0: * If this package is used in a product, Eric Young should be given attribution sl@0: * as the author of the parts of the library used. sl@0: * This can be in the form of a textual message at program startup or sl@0: * in documentation (online or textual) provided with the package. sl@0: * sl@0: * Redistribution and use in source and binary forms, with or without sl@0: * modification, are permitted provided that the following conditions sl@0: * are met: sl@0: * 1. Redistributions of source code must retain the copyright sl@0: * notice, this list of conditions and the following disclaimer. sl@0: * 2. Redistributions in binary form must reproduce the above copyright sl@0: * notice, this list of conditions and the following disclaimer in the sl@0: * documentation and/or other materials provided with the distribution. sl@0: * 3. All advertising materials mentioning features or use of this software sl@0: * must display the following acknowledgement: sl@0: * "This product includes cryptographic software written by sl@0: * Eric Young (eay@cryptsoft.com)" sl@0: * The word 'cryptographic' can be left out if the rouines from the library sl@0: * being used are not cryptographic related :-). sl@0: * 4. If you include any Windows specific code (or a derivative thereof) from sl@0: * the apps directory (application code) you must include an acknowledgement: sl@0: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" sl@0: * sl@0: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND sl@0: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE sl@0: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE sl@0: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE sl@0: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL sl@0: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS sl@0: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) sl@0: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT sl@0: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY sl@0: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF sl@0: * SUCH DAMAGE. sl@0: * sl@0: * The licence and distribution terms for any publically available version or sl@0: * derivative of this code cannot be changed. i.e. this code cannot simply be sl@0: * copied and put under another distribution licence sl@0: * [including the GNU Public Licence.] sl@0: */ sl@0: sl@0: /* sl@0: © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. sl@0: */ sl@0: sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__))) sl@0: #include "libcrypto_wsd_macros.h" sl@0: #include "libcrypto_wsd.h" sl@0: #endif sl@0: sl@0: sl@0: const char MD2_version[]="MD2" OPENSSL_VERSION_PTEXT; sl@0: sl@0: /* Implemented from RFC1319 The MD2 Message-Digest Algorithm sl@0: */ sl@0: sl@0: #define UCHAR unsigned char sl@0: sl@0: static void md2_block(MD2_CTX *c, const unsigned char *d); sl@0: sl@0: sl@0: #ifndef EMULATOR sl@0: /* The magic S table - I have converted it to hex since it is sl@0: * basically just a random byte string. */ sl@0: static MD2_INT S[256]={ sl@0: 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, sl@0: 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, sl@0: 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C, sl@0: 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA, sl@0: 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16, sl@0: 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, sl@0: 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, sl@0: 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A, sl@0: 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F, sl@0: 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21, sl@0: 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, sl@0: 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, sl@0: 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1, sl@0: 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6, sl@0: 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6, sl@0: 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, sl@0: 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, sl@0: 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02, sl@0: 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6, sl@0: 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F, sl@0: 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, sl@0: 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, sl@0: 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09, sl@0: 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52, sl@0: 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA, sl@0: 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, sl@0: 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, sl@0: 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39, sl@0: 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4, sl@0: 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A, sl@0: 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, sl@0: 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14, sl@0: }; sl@0: #else sl@0: static const MD2_INT S[256]={ sl@0: 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, sl@0: 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, sl@0: 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C, sl@0: 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA, sl@0: 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16, sl@0: 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, sl@0: 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, sl@0: 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A, sl@0: 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F, sl@0: 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21, sl@0: 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, sl@0: 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, sl@0: 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1, sl@0: 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6, sl@0: 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6, sl@0: 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, sl@0: 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, sl@0: 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02, sl@0: 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6, sl@0: 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F, sl@0: 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, sl@0: 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, sl@0: 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09, sl@0: 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52, sl@0: 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA, sl@0: 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, sl@0: 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, sl@0: 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39, sl@0: 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4, sl@0: 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A, sl@0: 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, sl@0: 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14, sl@0: }; sl@0: sl@0: sl@0: #endif sl@0: EXPORT_C const char *MD2_options(void) sl@0: { sl@0: if (sizeof(MD2_INT) == 1) sl@0: return("md2(char)"); sl@0: else sl@0: return("md2(int)"); sl@0: } sl@0: sl@0: EXPORT_C int MD2_Init(MD2_CTX *c) sl@0: { sl@0: c->num=0; sl@0: memset(c->state,0,sizeof c->state); sl@0: memset(c->cksm,0,sizeof c->cksm); sl@0: memset(c->data,0,sizeof c->data); sl@0: return 1; sl@0: } sl@0: sl@0: EXPORT_C int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len) sl@0: { sl@0: register UCHAR *p; sl@0: sl@0: if (len == 0) return 1; sl@0: sl@0: p=c->data; sl@0: if (c->num != 0) sl@0: { sl@0: if ((c->num+len) >= MD2_BLOCK) sl@0: { sl@0: memcpy(&(p[c->num]),data,MD2_BLOCK-c->num); sl@0: md2_block(c,c->data); sl@0: data+=(MD2_BLOCK - c->num); sl@0: len-=(MD2_BLOCK - c->num); sl@0: c->num=0; sl@0: /* drop through and do the rest */ sl@0: } sl@0: else sl@0: { sl@0: memcpy(&(p[c->num]),data,len); sl@0: /* data+=len; */ sl@0: c->num+=(int)len; sl@0: return 1; sl@0: } sl@0: } sl@0: /* we now can process the input data in blocks of MD2_BLOCK sl@0: * chars and save the leftovers to c->data. */ sl@0: while (len >= MD2_BLOCK) sl@0: { sl@0: md2_block(c,data); sl@0: data+=MD2_BLOCK; sl@0: len-=MD2_BLOCK; sl@0: } sl@0: memcpy(p,data,len); sl@0: c->num=(int)len; sl@0: return 1; sl@0: } sl@0: sl@0: static void md2_block(MD2_CTX *c, const unsigned char *d) sl@0: { sl@0: register MD2_INT t,*sp1,*sp2; sl@0: register int i,j; sl@0: MD2_INT state[48]; sl@0: sl@0: sp1=c->state; sl@0: sp2=c->cksm; sl@0: j=sp2[MD2_BLOCK-1]; sl@0: for (i=0; i<16; i++) sl@0: { sl@0: state[i]=sp1[i]; sl@0: state[i+16]=t=d[i]; sl@0: state[i+32]=(t^sp1[i]); sl@0: j=sp2[i]^=S[t^j]; sl@0: } sl@0: t=0; sl@0: for (i=0; i<18; i++) sl@0: { sl@0: for (j=0; j<48; j+=8) sl@0: { sl@0: t= state[j+ 0]^=S[t]; sl@0: t= state[j+ 1]^=S[t]; sl@0: t= state[j+ 2]^=S[t]; sl@0: t= state[j+ 3]^=S[t]; sl@0: t= state[j+ 4]^=S[t]; sl@0: t= state[j+ 5]^=S[t]; sl@0: t= state[j+ 6]^=S[t]; sl@0: t= state[j+ 7]^=S[t]; sl@0: } sl@0: t=(t+i)&0xff; sl@0: } sl@0: memcpy(sp1,state,16*sizeof(MD2_INT)); sl@0: OPENSSL_cleanse(state,48*sizeof(MD2_INT)); sl@0: } sl@0: sl@0: EXPORT_C int MD2_Final(unsigned char *md, MD2_CTX *c) sl@0: { sl@0: int i,v; sl@0: register UCHAR *cp; sl@0: register MD2_INT *p1,*p2; sl@0: sl@0: cp=c->data; sl@0: p1=c->state; sl@0: p2=c->cksm; sl@0: v=MD2_BLOCK-c->num; sl@0: for (i=c->num; i