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      1 /* crypto/dsa/dsatest.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 	DSA_print(bio_err,dsa,0);
    173 	if (counter != 105)
    174 		{
    175 		BIO_printf(bio_err,"counter should be 105\n");
    176 		goto end;
    177 		}
    178 	if (h != 2)
    179 		{
    180 		BIO_printf(bio_err,"h should be 2\n");
    181 		goto end;
    182 		}
    183 
    184 	i=BN_bn2bin(dsa->q,buf);
    185 	j=sizeof(out_q);
    186 	if ((i != j) || (memcmp(buf,out_q,i) != 0))
    187 		{
    188 		BIO_printf(bio_err,"q value is wrong\n");
    189 		goto end;
    190 		}
    191 
    192 	i=BN_bn2bin(dsa->p,buf);
    193 	j=sizeof(out_p);
    194 	if ((i != j) || (memcmp(buf,out_p,i) != 0))
    195 		{
    196 		BIO_printf(bio_err,"p value is wrong\n");
    197 		goto end;
    198 		}
    199 
    200 	i=BN_bn2bin(dsa->g,buf);
    201 	j=sizeof(out_g);
    202 	if ((i != j) || (memcmp(buf,out_g,i) != 0))
    203 		{
    204 		BIO_printf(bio_err,"g value is wrong\n");
    205 		goto end;
    206 		}
    207 
    208 	dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME;
    209 	DSA_generate_key(dsa);
    210 	DSA_sign(0, str1, 20, sig, &siglen, dsa);
    211 	if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
    212 		ret=1;
    213 
    214 	dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME;
    215 	DSA_generate_key(dsa);
    216 	DSA_sign(0, str1, 20, sig, &siglen, dsa);
    217 	if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
    218 		ret=1;
    219 
    220 end:
    221 	if (!ret)
    222 		ERR_print_errors(bio_err);
    223 	if (dsa != NULL) DSA_free(dsa);
    224 	CRYPTO_cleanup_all_ex_data();
    225 	ERR_remove_thread_state(NULL);
    226 	ERR_free_strings();
    227 	CRYPTO_mem_leaks(bio_err);
    228 	if (bio_err != NULL)
    229 		{
    230 		BIO_free(bio_err);
    231 		bio_err = NULL;
    232 		}
    233 #ifdef OPENSSL_SYS_NETWARE
    234     if (!ret) printf("ERROR\n");
    235 #endif
    236 	EXIT(!ret);
    237 	return(0);
    238 	}
    239 
    240 static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg)
    241 	{
    242 	char c='*';
    243 	static int ok=0,num=0;
    244 
    245 	if (p == 0) { c='.'; num++; };
    246 	if (p == 1) c='+';
    247 	if (p == 2) { c='*'; ok++; }
    248 	if (p == 3) c='\n';
    249 	BIO_write(arg->arg,&c,1);
    250 	(void)BIO_flush(arg->arg);
    251 
    252 	if (!ok && (p == 0) && (num > 1))
    253 		{
    254 		BIO_printf((BIO *)arg,"error in dsatest\n");
    255 		return 0;
    256 		}
    257 	return 1;
    258 	}
    259 #endif
    260