1 /* $OpenBSD: dsa_prn.c,v 1.10 2023/07/08 14:28:15 beck Exp $ */ 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3 * project 2006. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59 #include <stdio.h> 60 61 #include <openssl/dsa.h> 62 #include <openssl/err.h> 63 #include <openssl/evp.h> 64 65 int 66 DSA_print_fp(FILE *fp, const DSA *x, int off) 67 { 68 BIO *b; 69 int ret; 70 71 if ((b = BIO_new(BIO_s_file())) == NULL) { 72 DSAerror(ERR_R_BUF_LIB); 73 return 0; 74 } 75 BIO_set_fp(b, fp, BIO_NOCLOSE); 76 ret = DSA_print(b, x, off); 77 BIO_free(b); 78 return ret; 79 } 80 LCRYPTO_ALIAS(DSA_print_fp); 81 82 int 83 DSAparams_print_fp(FILE *fp, const DSA *x) 84 { 85 BIO *b; 86 int ret; 87 88 if ((b = BIO_new(BIO_s_file())) == NULL) { 89 DSAerror(ERR_R_BUF_LIB); 90 return 0; 91 } 92 BIO_set_fp(b, fp, BIO_NOCLOSE); 93 ret = DSAparams_print(b, x); 94 BIO_free(b); 95 return ret; 96 } 97 LCRYPTO_ALIAS(DSAparams_print_fp); 98 99 int 100 DSA_print(BIO *bp, const DSA *x, int off) 101 { 102 EVP_PKEY *pk; 103 int ret = 0; 104 105 if ((pk = EVP_PKEY_new()) == NULL) 106 goto err; 107 108 if (!EVP_PKEY_set1_DSA(pk, (DSA *)x)) 109 goto err; 110 111 ret = EVP_PKEY_print_private(bp, pk, off, NULL); 112 err: 113 EVP_PKEY_free(pk); 114 return ret; 115 } 116 LCRYPTO_ALIAS(DSA_print); 117 118 int 119 DSAparams_print(BIO *bp, const DSA *x) 120 { 121 EVP_PKEY *pk; 122 int ret = 0; 123 124 if ((pk = EVP_PKEY_new()) == NULL) 125 goto err; 126 127 if (!EVP_PKEY_set1_DSA(pk, (DSA *)x)) 128 goto err; 129 130 ret = EVP_PKEY_print_params(bp, pk, 4, NULL); 131 err: 132 EVP_PKEY_free(pk); 133 return ret; 134 } 135 LCRYPTO_ALIAS(DSAparams_print); 136