1 /* $OpenBSD: dsatest.c,v 1.9 2023/08/20 22:22:55 tb Exp $ */ 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 #include <err.h> 60 #include <stdio.h> 61 #include <stdlib.h> 62 #include <string.h> 63 #include <sys/types.h> 64 #include <sys/stat.h> 65 66 #include <openssl/crypto.h> 67 #include <openssl/bio.h> 68 #include <openssl/err.h> 69 #include <openssl/bn.h> 70 71 #include <openssl/dsa.h> 72 73 static int dsa_cb(int p, int n, BN_GENCB *arg); 74 75 /* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to 76 * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */ 77 static unsigned char seed[20] = { 78 0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40, 79 0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, 80 }; 81 82 static unsigned char out_p[] = { 83 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, 84 0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb, 85 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7, 86 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, 87 0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, 88 0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac, 89 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2, 90 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, 91 }; 92 93 static unsigned char out_q[] = { 94 0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee, 95 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e, 96 0xda, 0xce, 0x91, 0x5f, 97 }; 98 99 static unsigned char out_g[] = { 100 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, 101 0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00, 102 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb, 103 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, 104 0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, 105 0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c, 106 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c, 107 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, 108 }; 109 110 static const unsigned char str1[] = "12345678901234567890"; 111 112 static BIO *bio_err = NULL; 113 114 int 115 main(int argc, char **argv) 116 { 117 BN_GENCB *cb; 118 DSA *dsa = NULL; 119 int counter, i, j; 120 unsigned char buf[256]; 121 unsigned long h; 122 unsigned char sig[256]; 123 unsigned int siglen; 124 int ret = 0; 125 126 if (bio_err == NULL) 127 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 128 129 ERR_load_crypto_strings(); 130 131 BIO_printf(bio_err, "test generation of DSA parameters\n"); 132 133 if ((cb = BN_GENCB_new()) == NULL) 134 goto end; 135 136 BN_GENCB_set(cb, dsa_cb, bio_err); 137 if ((dsa = DSA_new()) == NULL) 138 goto end; 139 140 #ifdef OPENSSL_NO_ENGINE 141 if (DSA_get0_engine(dsa) != NULL) { 142 BIO_printf(bio_err, "ENGINE was not NULL\n"); 143 goto end; 144 } 145 #endif 146 147 if (!DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, cb)) 148 goto end; 149 150 BIO_printf(bio_err, "seed\n"); 151 for (i = 0; i < 20; i += 4) { 152 BIO_printf(bio_err, "%02X%02X%02X%02X ", 153 seed[i], seed[i + 1], seed[i + 2], seed[i + 3]); 154 } 155 BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h); 156 157 DSA_print(bio_err, dsa, 0); 158 if (counter != 105) { 159 BIO_printf(bio_err, "counter should be 105\n"); 160 goto end; 161 } 162 if (h != 2) { 163 BIO_printf(bio_err, "h should be 2\n"); 164 goto end; 165 } 166 167 i = BN_bn2bin(DSA_get0_q(dsa), buf); 168 j = sizeof(out_q); 169 if ((i != j) || (memcmp(buf, out_q, i) != 0)) { 170 BIO_printf(bio_err, "q value is wrong\n"); 171 goto end; 172 } 173 174 i = BN_bn2bin(DSA_get0_p(dsa), buf); 175 j = sizeof(out_p); 176 if ((i != j) || (memcmp(buf, out_p, i) != 0)) { 177 BIO_printf(bio_err, "p value is wrong\n"); 178 goto end; 179 } 180 181 i = BN_bn2bin(DSA_get0_g(dsa), buf); 182 j = sizeof(out_g); 183 if ((i != j) || (memcmp(buf, out_g, i) != 0)) { 184 BIO_printf(bio_err, "g value is wrong\n"); 185 goto end; 186 } 187 188 DSA_generate_key(dsa); 189 DSA_sign(0, str1, 20, sig, &siglen, dsa); 190 if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) 191 ret = 1; 192 193 end: 194 BN_GENCB_free(cb); 195 if (!ret) 196 ERR_print_errors(bio_err); 197 DSA_free(dsa); 198 CRYPTO_cleanup_all_ex_data(); 199 ERR_remove_thread_state(NULL); 200 ERR_free_strings(); 201 CRYPTO_mem_leaks(bio_err); 202 BIO_free(bio_err); 203 bio_err = NULL; 204 205 return !ret; 206 } 207 208 static int 209 dsa_cb(int p, int n, BN_GENCB *arg) 210 { 211 char c = '*'; 212 static int ok = 0, num = 0; 213 214 if (p == 0) { 215 c = '.'; 216 num++; 217 } 218 if (p == 1) 219 c = '+'; 220 if (p == 2) { 221 c = '*'; 222 ok++; 223 } 224 225 if (p == 3) 226 c = '\n'; 227 BIO_write(BN_GENCB_get_arg(arg), &c, 1); 228 (void)BIO_flush(BN_GENCB_get_arg(arg)); 229 230 if (!ok && (p == 0) && (num > 1)) { 231 BIO_printf((BIO *)arg, "error in dsatest\n"); 232 return 0; 233 } 234 return 1; 235 } 236