120 lines
4.8 KiB
C
120 lines
4.8 KiB
C
/* crypto/asn1/p7_enc_c.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/asn1_mac.h>
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#include <openssl/x509.h>
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int i2d_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT *a, unsigned char **pp)
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{
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M_ASN1_I2D_vars(a);
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M_ASN1_I2D_len(a->content_type,i2d_ASN1_OBJECT);
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M_ASN1_I2D_len(a->algorithm,i2d_X509_ALGOR);
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M_ASN1_I2D_len_IMP_opt(a->enc_data,i2d_ASN1_OCTET_STRING);
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M_ASN1_I2D_seq_total();
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M_ASN1_I2D_put(a->content_type,i2d_ASN1_OBJECT);
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M_ASN1_I2D_put(a->algorithm,i2d_X509_ALGOR);
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M_ASN1_I2D_put_IMP_opt(a->enc_data,i2d_ASN1_OCTET_STRING,0);
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M_ASN1_I2D_finish();
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}
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PKCS7_ENC_CONTENT *d2i_PKCS7_ENC_CONTENT(PKCS7_ENC_CONTENT **a,
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unsigned char **pp, long length)
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{
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M_ASN1_D2I_vars(a,PKCS7_ENC_CONTENT *,PKCS7_ENC_CONTENT_new);
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M_ASN1_D2I_Init();
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M_ASN1_D2I_start_sequence();
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M_ASN1_D2I_get(ret->content_type,d2i_ASN1_OBJECT);
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M_ASN1_D2I_get(ret->algorithm,d2i_X509_ALGOR);
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M_ASN1_D2I_get_IMP_opt(ret->enc_data,d2i_ASN1_OCTET_STRING,0,
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V_ASN1_OCTET_STRING);
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M_ASN1_D2I_Finish(a,PKCS7_ENC_CONTENT_free,
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ASN1_F_D2I_PKCS7_ENC_CONTENT);
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}
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PKCS7_ENC_CONTENT *PKCS7_ENC_CONTENT_new(void)
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{
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PKCS7_ENC_CONTENT *ret=NULL;
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ASN1_CTX c;
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M_ASN1_New_Malloc(ret,PKCS7_ENC_CONTENT);
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/* M_ASN1_New(ret->content_type,ASN1_OBJECT_new); */
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/* We will almost always want this: so make it the default */
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ret->content_type=OBJ_nid2obj(NID_pkcs7_data);
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M_ASN1_New(ret->algorithm,X509_ALGOR_new);
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ret->enc_data=NULL;
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return(ret);
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M_ASN1_New_Error(ASN1_F_PKCS7_ENC_CONTENT_NEW);
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}
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void PKCS7_ENC_CONTENT_free(PKCS7_ENC_CONTENT *a)
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{
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if (a == NULL) return;
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ASN1_OBJECT_free(a->content_type);
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X509_ALGOR_free(a->algorithm);
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M_ASN1_OCTET_STRING_free(a->enc_data);
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OPENSSL_free(a);
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}
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