/* crypto/asn1/x_pkey.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/objects.h>

 #include <openssl/asn1_mac.h>

 #include <openssl/x509.h>

 /* need to implement */

 EXPORT_C int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp)

 	{

 	return(0);

 	}

 EXPORT_C X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length)

 	{

 	int i;

 	M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new);

 	M_ASN1_D2I_Init();

 	M_ASN1_D2I_start_sequence();

 	M_ASN1_D2I_get_x(X509_ALGOR,ret->enc_algor,d2i_X509_ALGOR);

 	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->enc_pkey,d2i_ASN1_OCTET_STRING);

 	ret->cipher.cipher=EVP_get_cipherbyname(

 		OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm)));

 	if (ret->cipher.cipher == NULL)

 		{

 		c.error=ASN1_R_UNSUPPORTED_CIPHER;

 		c.line=__LINE__;

 		goto err;

 		}

 	if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING) 

 		{

 		i=ret->enc_algor->parameter->value.octet_string->length;

 		if (i > EVP_MAX_IV_LENGTH)

 			{

 			c.error=ASN1_R_IV_TOO_LARGE;

 			c.line=__LINE__;

 			goto err;

 			}

 		memcpy(ret->cipher.iv,

 			ret->enc_algor->parameter->value.octet_string->data,i);

 		}

 	else

 		memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);

 	M_ASN1_D2I_Finish(a,X509_PKEY_free,ASN1_F_D2I_X509_PKEY);

 	}

 EXPORT_C X509_PKEY *X509_PKEY_new(void)

 	{

 	X509_PKEY *ret=NULL;

 	ASN1_CTX c;

 	M_ASN1_New_Malloc(ret,X509_PKEY);

 	ret->version=0;

 	M_ASN1_New(ret->enc_algor,X509_ALGOR_new);

 	M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new);

 	ret->dec_pkey=NULL;

 	ret->key_length=0;

 	ret->key_data=NULL;

 	ret->key_free=0;

 	ret->cipher.cipher=NULL;

 	memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);

 	ret->references=1;

 	return(ret);

 	M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW);

 	}

 EXPORT_C void X509_PKEY_free(X509_PKEY *x)

 	{

 	int i;

 	if (x == NULL) return;

 	i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY);

 #ifdef REF_PRINT

 	REF_PRINT("X509_PKEY",x);

 #endif

 	if (i > 0) return;

 #ifdef REF_CHECK

 	if (i < 0)

 		{

 		fprintf(stderr,"X509_PKEY_free, bad reference count\n");

 		abort();

 		}

 #endif

 	if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor);

 	if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey);

 	if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey);

 	if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data);

 	OPENSSL_free(x);

 	}