| 1 | /*
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| 2 | * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * DSA low level APIs are deprecated for public use, but still ok for
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| 12 | * internal use.
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| 13 | */
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| 14 | #include "internal/deprecated.h"
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| 15 |
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| 16 | #include <stdio.h>
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| 17 | #include "internal/cryptlib.h"
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| 18 | #include <openssl/evp.h>
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| 19 | #include <openssl/dsa.h>
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| 20 |
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| 21 | #ifndef OPENSSL_NO_STDIO
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| 22 | int DSA_print_fp(FILE *fp, const DSA *x, int off)
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| 23 | {
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| 24 | BIO *b;
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| 25 | int ret;
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| 26 |
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| 27 | if ((b = BIO_new(BIO_s_file())) == NULL) {
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| 28 | ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB);
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| 29 | return 0;
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| 30 | }
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| 31 | BIO_set_fp(b, fp, BIO_NOCLOSE);
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| 32 | ret = DSA_print(b, x, off);
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| 33 | BIO_free(b);
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| 34 | return ret;
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| 35 | }
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| 36 |
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| 37 | int DSAparams_print_fp(FILE *fp, const DSA *x)
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| 38 | {
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| 39 | BIO *b;
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| 40 | int ret;
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| 41 |
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| 42 | if ((b = BIO_new(BIO_s_file())) == NULL) {
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| 43 | ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB);
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| 44 | return 0;
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| 45 | }
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| 46 | BIO_set_fp(b, fp, BIO_NOCLOSE);
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| 47 | ret = DSAparams_print(b, x);
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| 48 | BIO_free(b);
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| 49 | return ret;
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| 50 | }
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| 51 | #endif
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| 52 |
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| 53 | int DSA_print(BIO *bp, const DSA *x, int off)
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| 54 | {
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| 55 | EVP_PKEY *pk;
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| 56 | int ret;
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| 57 | pk = EVP_PKEY_new();
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| 58 | if (pk == NULL)
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| 59 | return 0;
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| 60 | ret = EVP_PKEY_set1_DSA(pk, (DSA *)x);
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| 61 | if (ret)
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| 62 | ret = EVP_PKEY_print_private(bp, pk, off, NULL);
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| 63 | EVP_PKEY_free(pk);
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| 64 | return ret;
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| 65 | }
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| 66 |
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| 67 | int DSAparams_print(BIO *bp, const DSA *x)
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| 68 | {
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| 69 | EVP_PKEY *pk;
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| 70 | int ret;
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| 71 | pk = EVP_PKEY_new();
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| 72 | if (pk == NULL)
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| 73 | return 0;
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| 74 | ret = EVP_PKEY_set1_DSA(pk, (DSA *)x);
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| 75 | if (ret)
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| 76 | ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
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| 77 | EVP_PKEY_free(pk);
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| 78 | return ret;
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| 79 | }
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