1 /* 2 * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include "internal/cryptlib.h" 12 #include <openssl/evp.h> 13 #include <openssl/dsa.h> 14 15 #ifndef OPENSSL_NO_STDIO 16 int DSA_print_fp(FILE *fp, const DSA *x, int off) 17 { 18 BIO *b; 19 int ret; 20 21 if ((b = BIO_new(BIO_s_file())) == NULL) { 22 DSAerr(DSA_F_DSA_PRINT_FP, ERR_R_BUF_LIB); 23 return 0; 24 } 25 BIO_set_fp(b, fp, BIO_NOCLOSE); 26 ret = DSA_print(b, x, off); 27 BIO_free(b); 28 return ret; 29 } 30 31 int DSAparams_print_fp(FILE *fp, const DSA *x) 32 { 33 BIO *b; 34 int ret; 35 36 if ((b = BIO_new(BIO_s_file())) == NULL) { 37 DSAerr(DSA_F_DSAPARAMS_PRINT_FP, ERR_R_BUF_LIB); 38 return 0; 39 } 40 BIO_set_fp(b, fp, BIO_NOCLOSE); 41 ret = DSAparams_print(b, x); 42 BIO_free(b); 43 return ret; 44 } 45 #endif 46 47 int DSA_print(BIO *bp, const DSA *x, int off) 48 { 49 EVP_PKEY *pk; 50 int ret; 51 pk = EVP_PKEY_new(); 52 if (pk == NULL) 53 return 0; 54 ret = EVP_PKEY_set1_DSA(pk, (DSA *)x); 55 if (ret) 56 ret = EVP_PKEY_print_private(bp, pk, off, NULL); 57 EVP_PKEY_free(pk); 58 return ret; 59 } 60 61 int DSAparams_print(BIO *bp, const DSA *x) 62 { 63 EVP_PKEY *pk; 64 int ret; 65 pk = EVP_PKEY_new(); 66 if (pk == NULL) 67 return 0; 68 ret = EVP_PKEY_set1_DSA(pk, (DSA *)x); 69 if (ret) 70 ret = EVP_PKEY_print_params(bp, pk, 4, NULL); 71 EVP_PKEY_free(pk); 72 return ret; 73 } 74