openssl/crypto/asn1/p7_enc_c.c
2000-01-30 23:33:40 +00:00

121 lines
4.8 KiB
C

/* crypto/asn1/p7_enc_c.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/x509.h>
int i2d_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT *a, unsigned char **pp)
{
M_ASN1_I2D_vars(a);
M_ASN1_I2D_len(a->content_type,i2d_ASN1_OBJECT);
M_ASN1_I2D_len(a->algorithm,i2d_X509_ALGOR);
M_ASN1_I2D_len_IMP_opt(a->enc_data,i2d_ASN1_OCTET_STRING);
M_ASN1_I2D_seq_total();
M_ASN1_I2D_put(a->content_type,i2d_ASN1_OBJECT);
M_ASN1_I2D_put(a->algorithm,i2d_X509_ALGOR);
M_ASN1_I2D_put_IMP_opt(a->enc_data,i2d_ASN1_OCTET_STRING,0);
M_ASN1_I2D_finish();
}
PKCS7_ENC_CONTENT *d2i_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT **a,
unsigned char **pp, long length)
{
M_ASN1_D2I_vars(a,PKCS7_ENC_CONTENT *,PKCS7_ENC_CONTENT_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get(ret->content_type,d2i_ASN1_OBJECT);
M_ASN1_D2I_get(ret->algorithm,d2i_X509_ALGOR);
M_ASN1_D2I_get_IMP_opt(ret->enc_data,d2i_ASN1_OCTET_STRING,0,
V_ASN1_OCTET_STRING);
M_ASN1_D2I_Finish(a,PKCS7_ENC_CONTENT_free,
ASN1_F_D2I_PKCS7_ENC_CONTENT);
}
PKCS7_ENC_CONTENT *PKCS7_ENC_CONTENT_new(void)
{
PKCS7_ENC_CONTENT *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret,PKCS7_ENC_CONTENT);
/* M_ASN1_New(ret->content_type,ASN1_OBJECT_new); */
/* We will almost always want this: so make it the default */
ret->content_type=OBJ_nid2obj(NID_pkcs7_data);
M_ASN1_New(ret->algorithm,X509_ALGOR_new);
ret->enc_data=NULL;
return(ret);
M_ASN1_New_Error(ASN1_F_PKCS7_ENC_CONTENT_NEW);
}
void PKCS7_ENC_CONTENT_free(PKCS7_ENC_CONTENT *a)
{
if (a == NULL) return;
ASN1_OBJECT_free(a->content_type);
X509_ALGOR_free(a->algorithm);
M_ASN1_OCTET_STRING_free(a->enc_data);
Free(a);
}