/* crypto/asn1/i2d_pr.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved. 
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com). 
 * The implementation was written so as to conform with Netscapes SSL. 
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.   The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc.,  code; not just the SSL code.   The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed. 
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used. 
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package. 
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-). 
 * 4.  If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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. 
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.   i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.] 
 */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/evp.h>
#include <openssl/x509.h>
#include "asn1_locl.h"

int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp)
	{
	if (a->ameth && a->ameth->old_priv_encode)
		{
		return a->ameth->old_priv_encode(a, pp);
		}
	if (a->ameth && a->ameth->priv_encode) {
		PKCS8_PRIV_KEY_INFO *p8 = EVP_PKEY2PKCS8(a);
		int ret = i2d_PKCS8_PRIV_KEY_INFO(p8,pp);
		PKCS8_PRIV_KEY_INFO_free(p8);
		return ret;
	}	
	ASN1err(ASN1_F_I2D_PRIVATEKEY,ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
	return(-1);
	}

