1 /* $OpenBSD: dsatest.c,v 1.8 2023/08/12 06:23:59 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 /* 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 <err.h> 66 #include <stdio.h> 67 #include <stdlib.h> 68 #include <string.h> 69 #include <sys/types.h> 70 #include <sys/stat.h> 71 72 #include <openssl/crypto.h> 73 #include <openssl/bio.h> 74 #include <openssl/err.h> 75 #include <openssl/bn.h> 76 77 #include <openssl/dsa.h> 78 79 static int dsa_cb(int p, int n, BN_GENCB *arg); 80 81 /* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to 82 * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */ 83 static unsigned char seed[20] = { 84 0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40, 85 0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, 86 }; 87 88 static unsigned char out_p[] = { 89 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, 90 0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb, 91 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7, 92 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, 93 0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, 94 0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac, 95 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2, 96 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, 97 }; 98 99 static unsigned char out_q[] = { 100 0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee, 101 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e, 102 0xda, 0xce, 0x91, 0x5f, 103 }; 104 105 static unsigned char out_g[] = { 106 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, 107 0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00, 108 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb, 109 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, 110 0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, 111 0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c, 112 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c, 113 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, 114 }; 115 116 static const unsigned char str1[] = "12345678901234567890"; 117 118 static BIO *bio_err = NULL; 119 120 int 121 main(int argc, char **argv) 122 { 123 BN_GENCB *cb; 124 DSA *dsa = NULL; 125 int counter, i, j; 126 unsigned char buf[256]; 127 unsigned long h; 128 unsigned char sig[256]; 129 unsigned int siglen; 130 int ret = 0; 131 132 if (bio_err == NULL) 133 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 134 135 ERR_load_crypto_strings(); 136 137 BIO_printf(bio_err, "test generation of DSA parameters\n"); 138 139 if ((cb = BN_GENCB_new()) == NULL) 140 goto end; 141 142 BN_GENCB_set(cb, dsa_cb, bio_err); 143 if ((dsa = DSA_new()) == NULL) 144 goto end; 145 146 #ifdef OPENSSL_NO_ENGINE 147 if (DSA_get0_engine(dsa) != NULL) { 148 BIO_printf(bio_err, "ENGINE was not NULL\n"); 149 goto end; 150 } 151 #endif 152 153 if (!DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, cb)) 154 goto end; 155 156 BIO_printf(bio_err, "seed\n"); 157 for (i = 0; i < 20; i += 4) { 158 BIO_printf(bio_err, "%02X%02X%02X%02X ", 159 seed[i], seed[i + 1], seed[i + 2], seed[i + 3]); 160 } 161 BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h); 162 163 DSA_print(bio_err, dsa, 0); 164 if (counter != 105) { 165 BIO_printf(bio_err, "counter should be 105\n"); 166 goto end; 167 } 168 if (h != 2) { 169 BIO_printf(bio_err, "h should be 2\n"); 170 goto end; 171 } 172 173 i = BN_bn2bin(DSA_get0_q(dsa), buf); 174 j = sizeof(out_q); 175 if ((i != j) || (memcmp(buf, out_q, i) != 0)) { 176 BIO_printf(bio_err, "q value is wrong\n"); 177 goto end; 178 } 179 180 i = BN_bn2bin(DSA_get0_p(dsa), buf); 181 j = sizeof(out_p); 182 if ((i != j) || (memcmp(buf, out_p, i) != 0)) { 183 BIO_printf(bio_err, "p value is wrong\n"); 184 goto end; 185 } 186 187 i = BN_bn2bin(DSA_get0_g(dsa), buf); 188 j = sizeof(out_g); 189 if ((i != j) || (memcmp(buf, out_g, i) != 0)) { 190 BIO_printf(bio_err, "g value is wrong\n"); 191 goto end; 192 } 193 194 DSA_generate_key(dsa); 195 DSA_sign(0, str1, 20, sig, &siglen, dsa); 196 if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) 197 ret = 1; 198 199 end: 200 BN_GENCB_free(cb); 201 if (!ret) 202 ERR_print_errors(bio_err); 203 DSA_free(dsa); 204 CRYPTO_cleanup_all_ex_data(); 205 ERR_remove_thread_state(NULL); 206 ERR_free_strings(); 207 CRYPTO_mem_leaks(bio_err); 208 BIO_free(bio_err); 209 bio_err = NULL; 210 211 return !ret; 212 } 213 214 static int 215 dsa_cb(int p, int n, BN_GENCB *arg) 216 { 217 char c = '*'; 218 static int ok = 0, num = 0; 219 220 if (p == 0) { 221 c = '.'; 222 num++; 223 } 224 if (p == 1) 225 c = '+'; 226 if (p == 2) { 227 c = '*'; 228 ok++; 229 } 230 231 if (p == 3) 232 c = '\n'; 233 BIO_write(BN_GENCB_get_arg(arg), &c, 1); 234 (void)BIO_flush(BN_GENCB_get_arg(arg)); 235 236 if (!ok && (p == 0) && (num > 1)) { 237 BIO_printf((BIO *)arg, "error in dsatest\n"); 238 return 0; 239 } 240 return 1; 241 } 242