1 /* 2 * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 /* 11 * DSA low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <stdio.h> 17 #include "internal/cryptlib.h" 18 #include <openssl/evp.h> 19 #include <openssl/dsa.h> 20 21 #ifndef OPENSSL_NO_STDIO 22 int DSA_print_fp(FILE *fp, const DSA *x, int off) 23 { 24 BIO *b; 25 int ret; 26 27 if ((b = BIO_new(BIO_s_file())) == NULL) { 28 ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB); 29 return 0; 30 } 31 BIO_set_fp(b, fp, BIO_NOCLOSE); 32 ret = DSA_print(b, x, off); 33 BIO_free(b); 34 return ret; 35 } 36 37 int DSAparams_print_fp(FILE *fp, const DSA *x) 38 { 39 BIO *b; 40 int ret; 41 42 if ((b = BIO_new(BIO_s_file())) == NULL) { 43 ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB); 44 return 0; 45 } 46 BIO_set_fp(b, fp, BIO_NOCLOSE); 47 ret = DSAparams_print(b, x); 48 BIO_free(b); 49 return ret; 50 } 51 #endif 52 53 int DSA_print(BIO *bp, const DSA *x, int off) 54 { 55 EVP_PKEY *pk; 56 int ret; 57 pk = EVP_PKEY_new(); 58 if (pk == NULL) 59 return 0; 60 ret = EVP_PKEY_set1_DSA(pk, (DSA *)x); 61 if (ret) 62 ret = EVP_PKEY_print_private(bp, pk, off, NULL); 63 EVP_PKEY_free(pk); 64 return ret; 65 } 66 67 int DSAparams_print(BIO *bp, const DSA *x) 68 { 69 EVP_PKEY *pk; 70 int ret; 71 pk = EVP_PKEY_new(); 72 if (pk == NULL) 73 return 0; 74 ret = EVP_PKEY_set1_DSA(pk, (DSA *)x); 75 if (ret) 76 ret = EVP_PKEY_print_params(bp, pk, 4, NULL); 77 EVP_PKEY_free(pk); 78 return ret; 79 } 80