/* $OpenBSD: dsatest.c,v 1.6 2021/11/18 15:11:17 tb Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* Until the key-gen callbacks are modified to use newer prototypes, we allow * deprecated functions for openssl-internal code */ #ifdef OPENSSL_NO_DEPRECATED #undef OPENSSL_NO_DEPRECATED #endif #include #include #include #include #include #include #include #include #include #include #include static int dsa_cb(int p, int n, BN_GENCB *arg); /* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */ static unsigned char seed[20] = { 0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40, 0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, }; static unsigned char out_p[] = { 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, 0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb, 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7, 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, 0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, 0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac, 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2, 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, }; static unsigned char out_q[] = { 0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee, 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e, 0xda, 0xce, 0x91, 0x5f, }; static unsigned char out_g[] = { 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, 0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00, 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb, 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, 0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, 0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c, 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c, 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, }; static const unsigned char str1[] = "12345678901234567890"; static BIO *bio_err = NULL; int main(int argc, char **argv) { BN_GENCB *cb; DSA *dsa = NULL; int counter, i, j; unsigned char buf[256]; unsigned long h; unsigned char sig[256]; unsigned int siglen; int ret = 0; if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); ERR_load_crypto_strings(); BIO_printf(bio_err, "test generation of DSA parameters\n"); if ((cb = BN_GENCB_new()) == NULL) goto end; BN_GENCB_set(cb, dsa_cb, bio_err); if ((dsa = DSA_new()) == NULL) goto end; if (!DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, cb)) goto end; BIO_printf(bio_err, "seed\n"); for (i = 0; i < 20; i += 4) { BIO_printf(bio_err, "%02X%02X%02X%02X ", seed[i], seed[i + 1], seed[i + 2], seed[i + 3]); } BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h); DSA_print(bio_err, dsa, 0); if (counter != 105) { BIO_printf(bio_err, "counter should be 105\n"); goto end; } if (h != 2) { BIO_printf(bio_err, "h should be 2\n"); goto end; } i = BN_bn2bin(dsa->q, buf); j = sizeof(out_q); if ((i != j) || (memcmp(buf, out_q, i) != 0)) { BIO_printf(bio_err, "q value is wrong\n"); goto end; } i = BN_bn2bin(dsa->p, buf); j = sizeof(out_p); if ((i != j) || (memcmp(buf, out_p, i) != 0)) { BIO_printf(bio_err, "p value is wrong\n"); goto end; } i = BN_bn2bin(dsa->g, buf); j = sizeof(out_g); if ((i != j) || (memcmp(buf, out_g, i) != 0)) { BIO_printf(bio_err, "g value is wrong\n"); goto end; } DSA_generate_key(dsa); DSA_sign(0, str1, 20, sig, &siglen, dsa); if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) ret = 1; end: BN_GENCB_free(cb); if (!ret) ERR_print_errors(bio_err); DSA_free(dsa); CRYPTO_cleanup_all_ex_data(); ERR_remove_thread_state(NULL); ERR_free_strings(); CRYPTO_mem_leaks(bio_err); BIO_free(bio_err); bio_err = NULL; return !ret; } static int dsa_cb(int p, int n, BN_GENCB *arg) { char c = '*'; static int ok = 0, num = 0; if (p == 0) { c = '.'; num++; } if (p == 1) c = '+'; if (p == 2) { c = '*'; ok++; } if (p == 3) c = '\n'; BIO_write(BN_GENCB_get_arg(arg), &c, 1); (void)BIO_flush(BN_GENCB_get_arg(arg)); if (!ok && (p == 0) && (num > 1)) { BIO_printf((BIO *)arg, "error in dsatest\n"); return 0; } return 1; }