x_pubkey.c revision 9dc0df1bac950d6e491f9a7c7e4888f2b301cb15
/* crypto/asn1/x_pubkey.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
* 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"
#ifndef OPENSSL_NO_RSA
#endif
#ifndef OPENSSL_NO_DSA
#endif
/* Minor tweak to operation: free up EVP_PKEY */
{
if (operation == ASN1_OP_FREE_POST)
{
}
return 1;
}
{
X509_ALGOR *a;
ASN1_OBJECT *o;
unsigned char *s,*p = NULL;
int i;
if (x == NULL) return(0);
/* set the algorithm id */
a->algorithm=o;
/* Set the parameter list */
{
{
ASN1_TYPE_free(a->parameter);
if (!(a->parameter=ASN1_TYPE_new()))
{
goto err;
}
}
}
#ifndef OPENSSL_NO_DSA
{
unsigned char *pp;
dsa->write_params=0;
ASN1_TYPE_free(a->parameter);
goto err;
if (!(p=(unsigned char *)OPENSSL_malloc(i)))
{
goto err;
}
pp=p;
if (!(a->parameter=ASN1_TYPE_new()))
{
OPENSSL_free(p);
goto err;
}
{
OPENSSL_free(p);
goto err;
}
{
OPENSSL_free(p);
goto err;
}
OPENSSL_free(p);
}
#endif
#ifndef OPENSSL_NO_EC
{
int nid=0;
unsigned char *pp;
ASN1_TYPE_free(a->parameter);
{
goto err;
}
{
/* just set the OID */
}
else /* explicit parameters */
{
{
goto err;
}
if ((p = (unsigned char *) OPENSSL_malloc(i)) == NULL)
{
goto err;
}
pp = p;
{
OPENSSL_free(p);
goto err;
}
{
OPENSSL_free(p);
goto err;
}
OPENSSL_free(p);
}
}
#endif
else if (1)
{
goto err;
}
{
goto err;
}
p=s;
i2d_PublicKey(pkey,&p);
{
goto err;
}
/* Set number of unused bits to zero */
OPENSSL_free(s);
#if 0
#endif
if (*x != NULL)
X509_PUBKEY_free(*x);
*x=pk;
return 1;
err:
return 0;
}
{
long j;
int type;
const unsigned char *p;
#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
const unsigned char *cp;
X509_ALGOR *a;
#endif
{
}
{
goto err;
}
/* the parameters must be extracted before the public key (ECDSA!) */
#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
#endif
if (0)
;
#ifndef OPENSSL_NO_DSA
{
{
{
goto err;
}
goto err;
}
}
#endif
#ifndef OPENSSL_NO_EC
{
{
/* type == V_ASN1_SEQUENCE => we have explicit parameters
* (e.g. parameters in the X9_62_EC_PARAMETERS-structure )
*/
{
goto err;
}
{
goto err;
}
}
{
/* type == V_ASN1_OBJECT => the parameters are given
* by an asn1 OID
*/
goto err;
goto err;
goto err;
}
/* the case implicitlyCA is currently not implemented */
}
#endif
{
goto err;
}
return(ret);
err:
return(NULL);
}
/* Now two pseudo ASN1 routines that take an EVP_PKEY structure
* and encode or decode as X509_PUBKEY
*/
long length)
{
if(a)
{
EVP_PKEY_free(*a);
*a = pktmp;
}
return pktmp;
}
{
int ret;
if(!a) return 0;
if(!X509_PUBKEY_set(&xpk, a)) return 0;
return ret;
}
/* The following are equivalents but which return RSA and DSA
* keys
*/
#ifndef OPENSSL_NO_RSA
long length)
{
const unsigned char *q;
q = *pp;
*pp = q;
if (a)
{
RSA_free(*a);
*a = key;
}
return key;
}
{
int ret;
if (!a) return 0;
pktmp = EVP_PKEY_new();
if (!pktmp)
{
return 0;
}
EVP_PKEY_set1_RSA(pktmp, a);
return ret;
}
#endif
#ifndef OPENSSL_NO_DSA
long length)
{
const unsigned char *q;
q = *pp;
*pp = q;
if (a)
{
DSA_free(*a);
*a = key;
}
return key;
}
{
int ret;
if(!a) return 0;
pktmp = EVP_PKEY_new();
if(!pktmp)
{
return 0;
}
EVP_PKEY_set1_DSA(pktmp, a);
return ret;
}
#endif
#ifndef OPENSSL_NO_EC
{
const unsigned char *q;
q = *pp;
*pp = q;
if (a)
{
EC_KEY_free(*a);
*a = key;
}
return(key);
}
{
int ret;
if (!a) return(0);
{
return(0);
}
return(ret);
}
#endif