1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] 56 * 57 * The DSS routines are based on patches supplied by 58 * Steven Schoch <schoch (at) sheba.arc.nasa.gov>. */ 59 60 #include <openssl/dsa.h> 61 62 #include <openssl/bio.h> 63 #include <openssl/bn.h> 64 #include <openssl/crypto.h> 65 66 #include "internal.h" 67 68 69 static int dsa_cb(int p, int n, BN_GENCB *arg); 70 71 /* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to 72 * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */ 73 static unsigned char seed[20] = {0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 74 0xa8, 0xb6, 0x21, 0x1b, 0x40, 0x62, 0xba, 75 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, }; 76 77 static unsigned char out_p[] = { 78 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, 0x3d, 0x25, 0x75, 79 0x9b, 0xb0, 0x68, 0x69, 0xcb, 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 80 0x0c, 0xf7, 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, 0xd0, 81 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, 0xc2, 0xe9, 0xad, 0xac, 82 0x32, 0xab, 0x7a, 0xac, 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 83 0xc2, 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, }; 84 85 static unsigned char out_q[] = {0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 86 0xee, 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 87 0xf4, 0x8e, 0xda, 0xce, 0x91, 0x5f, }; 88 89 static unsigned char out_g[] = { 90 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, 0x41, 0x31, 0x63, 91 0xa5, 0x5b, 0x4c, 0xb5, 0x00, 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 92 0xef, 0xcb, 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, 0x71, 93 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, 0x58, 0xe5, 0xb7, 0x95, 94 0x21, 0x92, 0x5c, 0x9c, 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 95 0x8c, 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, }; 96 97 static const uint8_t str1[]="12345678901234567890"; 98 99 static BIO *bio_err = NULL; 100 static BIO *bio_out = NULL; 101 102 int main(int argc, char **argv) { 103 BN_GENCB cb; 104 DSA *dsa = NULL; 105 int counter, ok = 0, i, j; 106 unsigned char buf[256]; 107 unsigned long h; 108 unsigned char sig[256]; 109 unsigned int siglen; 110 111 CRYPTO_library_init(); 112 113 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 114 bio_out = BIO_new_fp(stdout, BIO_NOCLOSE); 115 116 BIO_printf(bio_out, "test generation of DSA parameters\n"); 117 118 BN_GENCB_set(&cb, dsa_cb, bio_out); 119 dsa = DSA_new(); 120 if (dsa == NULL || 121 !DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, &cb)) { 122 goto end; 123 } 124 125 BIO_printf(bio_out, "seed\n"); 126 for (i = 0; i < 20; i += 4) { 127 BIO_printf(bio_out, "%02X%02X%02X%02X ", seed[i], seed[i + 1], seed[i + 2], 128 seed[i + 3]); 129 } 130 BIO_printf(bio_out, "\ncounter=%d h=%ld\n", counter, h); 131 132 if (counter != 105) { 133 BIO_printf(bio_err, "counter should be 105\n"); 134 goto end; 135 } 136 if (h != 2) { 137 BIO_printf(bio_err, "h should be 2\n"); 138 goto end; 139 } 140 141 i = BN_bn2bin(dsa->q, buf); 142 j = sizeof(out_q); 143 if (i != j || memcmp(buf, out_q, i) != 0) { 144 BIO_printf(bio_err, "q value is wrong\n"); 145 goto end; 146 } 147 148 i = BN_bn2bin(dsa->p, buf); 149 j = sizeof(out_p); 150 if (i != j || memcmp(buf, out_p, i) != 0) { 151 BIO_printf(bio_err, "p value is wrong\n"); 152 goto end; 153 } 154 155 i = BN_bn2bin(dsa->g, buf); 156 j = sizeof(out_g); 157 if (i != j || memcmp(buf, out_g, i) != 0) { 158 BIO_printf(bio_err, "g value is wrong\n"); 159 goto end; 160 } 161 162 DSA_generate_key(dsa); 163 DSA_sign(0, str1, 20, sig, &siglen, dsa); 164 if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) { 165 ok = 1; 166 } else { 167 BIO_printf(bio_err, "verification failure\n"); 168 } 169 170 end: 171 if (!ok) { 172 BIO_print_errors(bio_err); 173 } 174 if (dsa != NULL) { 175 DSA_free(dsa); 176 } 177 178 BIO_free(bio_err); 179 BIO_free(bio_out); 180 181 if (ok) { 182 printf("PASS\n"); 183 } 184 185 return ok == 1 ? 0 : 1; 186 } 187 188 static int dsa_cb(int p, int n, BN_GENCB *arg) { 189 char c = '*'; 190 static int ok = 0, num = 0; 191 192 switch (p) { 193 case 0: 194 c = '.'; 195 num++; 196 break; 197 case 1: 198 c = '+'; 199 break; 200 case 2: 201 c = '*'; 202 ok++; 203 break; 204 case 3: 205 c = '\n'; 206 } 207 208 BIO_write(arg->arg, &c, 1); 209 (void)BIO_flush(arg->arg); 210 211 if (!ok && p == 0 && num > 1) { 212 BIO_printf((BIO *)arg, "error in dsatest\n"); 213 return 0; 214 } 215 216 return 1; 217 } 218
