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Diffstat (limited to 'openssl/crypto/md2/md2_dgst.c')
| -rw-r--r-- | openssl/crypto/md2/md2_dgst.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/openssl/crypto/md2/md2_dgst.c b/openssl/crypto/md2/md2_dgst.c new file mode 100644 index 000000000..cc4eeaf7a --- /dev/null +++ b/openssl/crypto/md2/md2_dgst.c @@ -0,0 +1,232 @@ +/* crypto/md2/md2_dgst.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/md2.h> +#include <openssl/opensslv.h> +#include <openssl/crypto.h> +#ifdef OPENSSL_FIPS +#include <openssl/fips.h> +#endif + +#include <openssl/err.h> + +const char MD2_version[]="MD2" OPENSSL_VERSION_PTEXT; + +/* Implemented from RFC1319 The MD2 Message-Digest Algorithm + */ + +#define UCHAR unsigned char + +static void md2_block(MD2_CTX *c, const unsigned char *d); +/* The magic S table - I have converted it to hex since it is + * basically just a random byte string. */ +static MD2_INT S[256]={ + 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, + 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, + 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C, + 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA, + 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16, + 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, + 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, + 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A, + 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F, + 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21, + 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, + 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, + 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1, + 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6, + 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6, + 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, + 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, + 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02, + 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6, + 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F, + 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, + 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, + 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09, + 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52, + 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA, + 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, + 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, + 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39, + 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4, + 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A, + 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, + 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14, + }; + +const char *MD2_options(void) + { + if (sizeof(MD2_INT) == 1) + return("md2(char)"); + else + return("md2(int)"); + } + +FIPS_NON_FIPS_MD_Init(MD2) + { + c->num=0; + memset(c->state,0,sizeof c->state); + memset(c->cksm,0,sizeof c->cksm); + memset(c->data,0,sizeof c->data); + return 1; + } + +int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len) + { + register UCHAR *p; + + if (len == 0) return 1; + + p=c->data; + if (c->num != 0) + { + if ((c->num+len) >= MD2_BLOCK) + { + memcpy(&(p[c->num]),data,MD2_BLOCK-c->num); + md2_block(c,c->data); + data+=(MD2_BLOCK - c->num); + len-=(MD2_BLOCK - c->num); + c->num=0; + /* drop through and do the rest */ + } + else + { + memcpy(&(p[c->num]),data,len); + /* data+=len; */ + c->num+=(int)len; + return 1; + } + } + /* we now can process the input data in blocks of MD2_BLOCK + * chars and save the leftovers to c->data. */ + while (len >= MD2_BLOCK) + { + md2_block(c,data); + data+=MD2_BLOCK; + len-=MD2_BLOCK; + } + memcpy(p,data,len); + c->num=(int)len; + return 1; + } + +static void md2_block(MD2_CTX *c, const unsigned char *d) + { + register MD2_INT t,*sp1,*sp2; + register int i,j; + MD2_INT state[48]; + + sp1=c->state; + sp2=c->cksm; + j=sp2[MD2_BLOCK-1]; + for (i=0; i<16; i++) + { + state[i]=sp1[i]; + state[i+16]=t=d[i]; + state[i+32]=(t^sp1[i]); + j=sp2[i]^=S[t^j]; + } + t=0; + for (i=0; i<18; i++) + { + for (j=0; j<48; j+=8) + { + t= state[j+ 0]^=S[t]; + t= state[j+ 1]^=S[t]; + t= state[j+ 2]^=S[t]; + t= state[j+ 3]^=S[t]; + t= state[j+ 4]^=S[t]; + t= state[j+ 5]^=S[t]; + t= state[j+ 6]^=S[t]; + t= state[j+ 7]^=S[t]; + } + t=(t+i)&0xff; + } + memcpy(sp1,state,16*sizeof(MD2_INT)); + OPENSSL_cleanse(state,48*sizeof(MD2_INT)); + } + +int MD2_Final(unsigned char *md, MD2_CTX *c) + { + int i,v; + register UCHAR *cp; + register MD2_INT *p1,*p2; + + cp=c->data; + p1=c->state; + p2=c->cksm; + v=MD2_BLOCK-c->num; + for (i=c->num; i<MD2_BLOCK; i++) + cp[i]=(UCHAR)v; + + md2_block(c,cp); + + for (i=0; i<MD2_BLOCK; i++) + cp[i]=(UCHAR)p2[i]; + md2_block(c,cp); + + for (i=0; i<16; i++) + md[i]=(UCHAR)(p1[i]&0xff); + memset((char *)&c,0,sizeof(c)); + return 1; + } + |