/* crypto/asn1/a_hdr.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/asn1_mac.h>

 #include <openssl/asn1.h>

 EXPORT_C int i2d_ASN1_HEADER(ASN1_HEADER *a, unsigned char **pp)

 	{

 	M_ASN1_I2D_vars(a);

 	M_ASN1_I2D_len(a->header,	i2d_ASN1_OCTET_STRING);

 	M_ASN1_I2D_len(a->data,		a->meth->i2d);

 	M_ASN1_I2D_seq_total();

 	M_ASN1_I2D_put(a->header,	i2d_ASN1_OCTET_STRING);

 	M_ASN1_I2D_put(a->data,		a->meth->i2d);

 	M_ASN1_I2D_finish();

 	}

 EXPORT_C ASN1_HEADER *d2i_ASN1_HEADER(ASN1_HEADER **a, const unsigned char **pp,

 	     long length)

 	{

 	M_ASN1_D2I_vars(a,ASN1_HEADER *,ASN1_HEADER_new);

 	M_ASN1_D2I_Init();

         M_ASN1_D2I_start_sequence();

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

 	if (ret->meth != NULL)

 		{

 		M_ASN1_D2I_get_x(void,ret->data,ret->meth->d2i);

 		}

 	else

 		{

 		if (a != NULL) (*a)=ret;

 		return(ret);

 		}

         M_ASN1_D2I_Finish(a,ASN1_HEADER_free,ASN1_F_D2I_ASN1_HEADER);

 	}

 EXPORT_C ASN1_HEADER *ASN1_HEADER_new(void)

 	{

 	ASN1_HEADER *ret=NULL;

 	ASN1_CTX c;

 	M_ASN1_New_Malloc(ret,ASN1_HEADER);

 	M_ASN1_New(ret->header,M_ASN1_OCTET_STRING_new);

 	ret->meth=NULL;

 	ret->data=NULL;

 	return(ret);

         M_ASN1_New_Error(ASN1_F_ASN1_HEADER_NEW);

 	}

 EXPORT_C void ASN1_HEADER_free(ASN1_HEADER *a)

 	{

 	if (a == NULL) return;

 	M_ASN1_OCTET_STRING_free(a->header);

 	if (a->meth != NULL)

 		a->meth->destroy(a->data);

 	OPENSSL_free(a);

 	}