1: /* crypto/dsa/dsatest.c */
    2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
    3:  * All rights reserved.
    4:  *
    5:  * This package is an SSL implementation written
    6:  * by Eric Young (eay@cryptsoft.com).
    7:  * The implementation was written so as to conform with Netscapes SSL.
    8:  * 
    9:  * This library is free for commercial and non-commercial use as long as
   10:  * the following conditions are aheared to.  The following conditions
   11:  * apply to all code found in this distribution, be it the RC4, RSA,
   12:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
   13:  * included with this distribution is covered by the same copyright terms
   14:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
   15:  * 
   16:  * Copyright remains Eric Young's, and as such any Copyright notices in
   17:  * the code are not to be removed.
   18:  * If this package is used in a product, Eric Young should be given attribution
   19:  * as the author of the parts of the library used.
   20:  * This can be in the form of a textual message at program startup or
   21:  * in documentation (online or textual) provided with the package.
   22:  * 
   23:  * Redistribution and use in source and binary forms, with or without
   24:  * modification, are permitted provided that the following conditions
   25:  * are met:
   26:  * 1. Redistributions of source code must retain the copyright
   27:  *    notice, this list of conditions and the following disclaimer.
   28:  * 2. Redistributions in binary form must reproduce the above copyright
   29:  *    notice, this list of conditions and the following disclaimer in the
   30:  *    documentation and/or other materials provided with the distribution.
   31:  * 3. All advertising materials mentioning features or use of this software
   32:  *    must display the following acknowledgement:
   33:  *    "This product includes cryptographic software written by
   34:  *     Eric Young (eay@cryptsoft.com)"
   35:  *    The word 'cryptographic' can be left out if the rouines from the library
   36:  *    being used are not cryptographic related :-).
   37:  * 4. If you include any Windows specific code (or a derivative thereof) from 
   38:  *    the apps directory (application code) you must include an acknowledgement:
   39:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
   40:  * 
   41:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
   42:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   43:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   44:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   45:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   46:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   47:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   48:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   49:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   50:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   51:  * SUCH DAMAGE.
   52:  * 
   53:  * The licence and distribution terms for any publically available version or
   54:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
   55:  * copied and put under another distribution licence
   56:  * [including the GNU Public Licence.]
   57:  */
   58: 
   59: /* Until the key-gen callbacks are modified to use newer prototypes, we allow
   60:  * deprecated functions for openssl-internal code */
   61: #ifdef OPENSSL_NO_DEPRECATED
   62: #undef OPENSSL_NO_DEPRECATED
   63: #endif
   64: 
   65: #include <stdio.h>
   66: #include <stdlib.h>
   67: #include <string.h>
   68: #include <sys/types.h>
   69: #include <sys/stat.h>
   70: 
   71: #include "../e_os.h"
   72: 
   73: #include <openssl/crypto.h>
   74: #include <openssl/rand.h>
   75: #include <openssl/bio.h>
   76: #include <openssl/err.h>
   77: #include <openssl/bn.h>
   78: 
   79: #ifdef OPENSSL_NO_DSA
   80: int main(int argc, char *argv[])
   81: {
   82:     printf("No DSA support\n");
   83:     return(0);
   84: }
   85: #else
   86: #include <openssl/dsa.h>
   87: 
   88: #ifdef OPENSSL_SYS_WIN16
   89: #define MS_CALLBACK     _far _loadds
   90: #else
   91: #define MS_CALLBACK
   92: #endif
   93: 
   94: static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg);
   95: 
   96: /* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to
   97:  * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */
   98: static unsigned char seed[20]={
   99:         0xd5,0x01,0x4e,0x4b,0x60,0xef,0x2b,0xa8,0xb6,0x21,0x1b,0x40,
  100:         0x62,0xba,0x32,0x24,0xe0,0x42,0x7d,0xd3,
  101:         };
  102: 
  103: static unsigned char out_p[]={
  104:         0x8d,0xf2,0xa4,0x94,0x49,0x22,0x76,0xaa,
  105:         0x3d,0x25,0x75,0x9b,0xb0,0x68,0x69,0xcb,
  106:         0xea,0xc0,0xd8,0x3a,0xfb,0x8d,0x0c,0xf7,
  107:         0xcb,0xb8,0x32,0x4f,0x0d,0x78,0x82,0xe5,
  108:         0xd0,0x76,0x2f,0xc5,0xb7,0x21,0x0e,0xaf,
  109:         0xc2,0xe9,0xad,0xac,0x32,0xab,0x7a,0xac,
  110:         0x49,0x69,0x3d,0xfb,0xf8,0x37,0x24,0xc2,
  111:         0xec,0x07,0x36,0xee,0x31,0xc8,0x02,0x91,
  112:         };
  113: 
  114: static unsigned char out_q[]={
  115:         0xc7,0x73,0x21,0x8c,0x73,0x7e,0xc8,0xee,
  116:         0x99,0x3b,0x4f,0x2d,0xed,0x30,0xf4,0x8e,
  117:         0xda,0xce,0x91,0x5f,
  118:         };
  119: 
  120: static unsigned char out_g[]={
  121:         0x62,0x6d,0x02,0x78,0x39,0xea,0x0a,0x13,
  122:         0x41,0x31,0x63,0xa5,0x5b,0x4c,0xb5,0x00,
  123:         0x29,0x9d,0x55,0x22,0x95,0x6c,0xef,0xcb,
  124:         0x3b,0xff,0x10,0xf3,0x99,0xce,0x2c,0x2e,
  125:         0x71,0xcb,0x9d,0xe5,0xfa,0x24,0xba,0xbf,
  126:         0x58,0xe5,0xb7,0x95,0x21,0x92,0x5c,0x9c,
  127:         0xc4,0x2e,0x9f,0x6f,0x46,0x4b,0x08,0x8c,
  128:         0xc5,0x72,0xaf,0x53,0xe6,0xd7,0x88,0x02,
  129:         };
  130: 
  131: static const unsigned char str1[]="12345678901234567890";
  132: 
  133: static const char rnd_seed[] = "string to make the random number generator think it has entropy";
  134: 
  135: static BIO *bio_err=NULL;
  136: 
  137: int main(int argc, char **argv)
  138:         {
  139:         BN_GENCB cb;
  140:         DSA *dsa=NULL;
  141:         int counter,ret=0,i,j;
  142:         unsigned char buf[256];
  143:         unsigned long h;
  144:         unsigned char sig[256];
  145:         unsigned int siglen;
  146: 
  147:         if (bio_err == NULL)
  148:                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
  149: 
  150:         CRYPTO_malloc_debug_init();
  151:         CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
  152:         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
  153: 
  154:         ERR_load_crypto_strings();
  155:         RAND_seed(rnd_seed, sizeof rnd_seed);
  156: 
  157:         BIO_printf(bio_err,"test generation of DSA parameters\n");
  158: 
  159:         BN_GENCB_set(&cb, dsa_cb, bio_err);
  160:         if(((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512,
  161:                                 seed, 20, &counter, &h, &cb))
  162:                 goto end;
  163: 
  164:         BIO_printf(bio_err,"seed\n");
  165:         for (i=0; i<20; i+=4)
  166:                 {
  167:                 BIO_printf(bio_err,"%02X%02X%02X%02X ",
  168:                         seed[i],seed[i+1],seed[i+2],seed[i+3]);
  169:                 }
  170:         BIO_printf(bio_err,"\ncounter=%d h=%ld\n",counter,h);
  171:                 
  172:         if (dsa == NULL) goto end;
  173:         DSA_print(bio_err,dsa,0);
  174:         if (counter != 105) 
  175:                 {
  176:                 BIO_printf(bio_err,"counter should be 105\n");
  177:                 goto end;
  178:                 }
  179:         if (h != 2)
  180:                 {
  181:                 BIO_printf(bio_err,"h should be 2\n");
  182:                 goto end;
  183:                 }
  184: 
  185:         i=BN_bn2bin(dsa->q,buf);
  186:         j=sizeof(out_q);
  187:         if ((i != j) || (memcmp(buf,out_q,i) != 0))
  188:                 {
  189:                 BIO_printf(bio_err,"q value is wrong\n");
  190:                 goto end;
  191:                 }
  192: 
  193:         i=BN_bn2bin(dsa->p,buf);
  194:         j=sizeof(out_p);
  195:         if ((i != j) || (memcmp(buf,out_p,i) != 0))
  196:                 {
  197:                 BIO_printf(bio_err,"p value is wrong\n");
  198:                 goto end;
  199:                 }
  200: 
  201:         i=BN_bn2bin(dsa->g,buf);
  202:         j=sizeof(out_g);
  203:         if ((i != j) || (memcmp(buf,out_g,i) != 0))
  204:                 {
  205:                 BIO_printf(bio_err,"g value is wrong\n");
  206:                 goto end;
  207:                 }
  208: 
  209:         dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME;
  210:         DSA_generate_key(dsa);
  211:         DSA_sign(0, str1, 20, sig, &siglen, dsa);
  212:         if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
  213:                 ret=1;
  214: 
  215:         dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME;
  216:         DSA_generate_key(dsa);
  217:         DSA_sign(0, str1, 20, sig, &siglen, dsa);
  218:         if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
  219:                 ret=1;
  220: 
  221: end:
  222:         if (!ret)
  223:                 ERR_print_errors(bio_err);
  224:         if (dsa != NULL) DSA_free(dsa);
  225:         CRYPTO_cleanup_all_ex_data();
  226:         ERR_remove_state(0);
  227:         ERR_free_strings();
  228:         CRYPTO_mem_leaks(bio_err);
  229:         if (bio_err != NULL)
  230:                 {
  231:                 BIO_free(bio_err);
  232:                 bio_err = NULL;
  233:                 }
  234: #ifdef OPENSSL_SYS_NETWARE
  235:     if (!ret) printf("ERROR\n");
  236: #endif
  237:         EXIT(!ret);
  238:         return(0);
  239:         }
  240: 
  241: static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg)
  242:         {
  243:         char c='*';
  244:         static int ok=0,num=0;
  245: 
  246:         if (p == 0) { c='.'; num++; };
  247:         if (p == 1) c='+';
  248:         if (p == 2) { c='*'; ok++; }
  249:         if (p == 3) c='\n';
  250:         BIO_write(arg->arg,&c,1);
  251:         (void)BIO_flush(arg->arg);
  252: 
  253:         if (!ok && (p == 0) && (num > 1))
  254:                 {
  255:                 BIO_printf((BIO *)arg,"error in dsatest\n");
  256:                 return 0;
  257:                 }
  258:         return 1;
  259:         }
  260: #endif