/*

 * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

/*

 * DSA low level APIs are deprecated for public use, but still ok for

 * internal use.

 */

#include "internal/deprecated.h"

#include <stdio.h>

#include "internal/cryptlib.h"

#include <openssl/evp.h>

#include <openssl/dsa.h>

#ifndef OPENSSL_NO_STDIO

int DSA_print_fp(FILE *fp, const DSA *x, int off)

{

    BIO *b;

    int ret;

    if ((b = BIO_new(BIO_s_file())) == NULL) {

        ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB);

        return 0;

    }

    BIO_set_fp(b, fp, BIO_NOCLOSE);

    ret = DSA_print(b, x, off);

    BIO_free(b);

    return ret;

}

int DSAparams_print_fp(FILE *fp, const DSA *x)

{

    BIO *b;

    int ret;

    if ((b = BIO_new(BIO_s_file())) == NULL) {

        ERR_raise(ERR_LIB_DSA, ERR_R_BUF_LIB);

        return 0;

    }

    BIO_set_fp(b, fp, BIO_NOCLOSE);

    ret = DSAparams_print(b, x);

    BIO_free(b);

    return ret;

}

#endif

int DSA_print(BIO *bp, const DSA *x, int off)

{

    EVP_PKEY *pk;

    int ret;

    pk = EVP_PKEY_new();

    if (pk == NULL)

        return 0;

    ret = EVP_PKEY_set1_DSA(pk, (DSA *)x);

    if (ret)

        ret = EVP_PKEY_print_private(bp, pk, off, NULL);

    EVP_PKEY_free(pk);

    return ret;

}

int DSAparams_print(BIO *bp, const DSA *x)

{

    EVP_PKEY *pk;

    int ret;

    pk = EVP_PKEY_new();

    if (pk == NULL)

        return 0;

    ret = EVP_PKEY_set1_DSA(pk, (DSA *)x);

    if (ret)

        ret = EVP_PKEY_print_params(bp, pk, 4, NULL);

    EVP_PKEY_free(pk);

    return ret;

}