openssl/crypto/dsa/dsa_prn.c

/* crypto/dsa/dsa_prn.c */
/*
 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
 * 2006.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/evp.h>
#include <openssl/dsa.h>

#ifndef OPENSSL_NO_FP_API
int DSA_print_fp(FILE *fp, const DSA *x, int off)
{
    BIO *b;
    int ret;

    if ((b = BIO_new(BIO_s_file())) == NULL) {
        DSAerr(DSA_F_DSA_PRINT_FP, 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) {
        DSAerr(DSA_F_DSAPARAMS_PRINT_FP, 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 || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
        return 0;
    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 || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
        return 0;
    ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
    EVP_PKEY_free(pk);
    return ret;
}