1/* $OpenBSD: dsatest.c,v 1.11 2024/02/29 20:04:43 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 73static 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 */ 77static 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 82static 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 93static 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 99static 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 110static const unsigned char str1[] = "12345678901234567890"; 111 112static BIO *bio_err = NULL; 113 114int 115main(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 if (DSA_get0_engine(dsa) != NULL) { 141 BIO_printf(bio_err, "ENGINE was not NULL\n"); 142 goto end; 143 } 144 145 if (!DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, cb)) 146 goto end; 147 148 BIO_printf(bio_err, "seed\n"); 149 for (i = 0; i < 20; i += 4) { 150 BIO_printf(bio_err, "%02X%02X%02X%02X ", 151 seed[i], seed[i + 1], seed[i + 2], seed[i + 3]); 152 } 153 BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h); 154 155 DSA_print(bio_err, dsa, 0); 156 if (counter != 105) { 157 BIO_printf(bio_err, "counter should be 105\n"); 158 goto end; 159 } 160 if (h != 2) { 161 BIO_printf(bio_err, "h should be 2\n"); 162 goto end; 163 } 164 165 i = BN_bn2bin(DSA_get0_q(dsa), buf); 166 j = sizeof(out_q); 167 if ((i != j) || (memcmp(buf, out_q, i) != 0)) { 168 BIO_printf(bio_err, "q value is wrong\n"); 169 goto end; 170 } 171 172 i = BN_bn2bin(DSA_get0_p(dsa), buf); 173 j = sizeof(out_p); 174 if ((i != j) || (memcmp(buf, out_p, i) != 0)) { 175 BIO_printf(bio_err, "p value is wrong\n"); 176 goto end; 177 } 178 179 i = BN_bn2bin(DSA_get0_g(dsa), buf); 180 j = sizeof(out_g); 181 if ((i != j) || (memcmp(buf, out_g, i) != 0)) { 182 BIO_printf(bio_err, "g value is wrong\n"); 183 goto end; 184 } 185 186 DSA_generate_key(dsa); 187 DSA_sign(0, str1, 20, sig, &siglen, dsa); 188 if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) 189 ret = 1; 190 191end: 192 BN_GENCB_free(cb); 193 if (!ret) 194 ERR_print_errors(bio_err); 195 DSA_free(dsa); 196 CRYPTO_cleanup_all_ex_data(); 197 ERR_remove_thread_state(NULL); 198 ERR_free_strings(); 199 BIO_free(bio_err); 200 bio_err = NULL; 201 202 return !ret; 203} 204 205static int 206dsa_cb(int p, int n, BN_GENCB *arg) 207{ 208 char c = '*'; 209 static int ok = 0, num = 0; 210 211 if (p == 0) { 212 c = '.'; 213 num++; 214 } 215 if (p == 1) 216 c = '+'; 217 if (p == 2) { 218 c = '*'; 219 ok++; 220 } 221 222 if (p == 3) 223 c = '\n'; 224 BIO_write(BN_GENCB_get_arg(arg), &c, 1); 225 (void)BIO_flush(BN_GENCB_get_arg(arg)); 226 227 if (!ok && (p == 0) && (num > 1)) { 228 BIO_printf((BIO *)arg, "error in dsatest\n"); 229 return 0; 230 } 231 return 1; 232} 233