openssl/crypto/asn1/d2i_r_pr.c

120 lines
4.9 KiB
C

/* crypto/asn1/d2i_r_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/bn.h>
#include <openssl/rsa.h>
#include <openssl/objects.h>
#include <openssl/asn1_mac.h>
static ASN1_METHOD method={
(int (*)()) i2d_RSAPrivateKey,
(char *(*)())d2i_RSAPrivateKey,
(char *(*)())RSA_new,
(void (*)()) RSA_free};
ASN1_METHOD *RSAPrivateKey_asn1_meth(void)
{
return(&method);
}
RSA *d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length)
{
int i=ASN1_R_PARSING;
ASN1_INTEGER *bs=NULL;
M_ASN1_D2I_vars(a,RSA *,RSA_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if (bs->length == 0)
ret->version=0;
else ret->version=bs->data[0];
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->n=BN_bin2bn(bs->data,bs->length,ret->n)) == NULL) goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->e=BN_bin2bn(bs->data,bs->length,ret->e)) == NULL) goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->d=BN_bin2bn(bs->data,bs->length,ret->d)) == NULL) goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->p=BN_bin2bn(bs->data,bs->length,ret->p)) == NULL) goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->q=BN_bin2bn(bs->data,bs->length,ret->q)) == NULL) goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->dmp1=BN_bin2bn(bs->data,bs->length,ret->dmp1)) == NULL)
goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->dmq1=BN_bin2bn(bs->data,bs->length,ret->dmq1)) == NULL)
goto err_bn;
M_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);
if ((ret->iqmp=BN_bin2bn(bs->data,bs->length,ret->iqmp)) == NULL)
goto err_bn;
ASN1_INTEGER_free(bs);
M_ASN1_D2I_Finish_2(a);
err_bn:
i=ERR_R_BN_LIB;
err:
ASN1err(ASN1_F_D2I_RSAPRIVATEKEY,i);
if ((ret != NULL) && ((a == NULL) || (*a != ret))) RSA_free(ret);
if (bs != NULL) ASN1_INTEGER_free(bs);
return(NULL);
}