evp_pkey.c revision 9dc0df1bac950d6e491f9a7c7e4888f2b301cb15
/* evp_pkey.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved.
*
* 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 above 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
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "cryptlib.h"
#ifndef OPENSSL_NO_RSA
#endif
#ifndef OPENSSL_NO_DSA
#endif
#ifndef OPENSSL_NO_DSA
#endif
#ifndef OPENSSL_NO_EC
#endif
/* Extract a private key from a PKCS8 structure */
{
#ifndef OPENSSL_NO_RSA
#endif
#ifndef OPENSSL_NO_DSA
#endif
#ifndef OPENSSL_NO_EC
const unsigned char *p_tmp;
#endif
#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
int plen;
#endif
X509_ALGOR *a;
const unsigned char *p;
const unsigned char *cp;
int pkeylen;
int nid;
char obj_tmp[80];
} else {
}
if (!(pkey = EVP_PKEY_new())) {
return NULL;
}
switch(nid)
{
#ifndef OPENSSL_NO_RSA
case NID_rsaEncryption:
cp = p;
return NULL;
}
break;
#endif
#ifndef OPENSSL_NO_DSA
case NID_dsa:
/* PKCS#8 DSA is weird: you just get a private key integer
* and parameters in the AlgorithmIdentifier the pubkey must
* be recalculated.
*/
/* Check for broken DSA PKCS#8, UGH! */
if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
ASN1_TYPE_free))) {
goto dsaerr;
}
goto dsaerr;
}
/* Handle Two broken types:
* SEQUENCE {parameters, priv_key}
* SEQUENCE {pub_key, priv_key}
*/
} else {
goto dsaerr;
}
goto dsaerr;
}
} else {
goto dsaerr;
}
}
goto dsaerr;
}
goto dsaerr;
}
/* We have parameters now set private key */
goto dsaerr;
}
/* Calculate public key (ouch!) */
goto dsaerr;
}
if (!(ctx = BN_CTX_new())) {
goto dsaerr;
}
goto dsaerr;
}
BN_CTX_free (ctx);
else ASN1_INTEGER_free(privkey);
break;
BN_CTX_free (ctx);
return NULL;
break;
#endif
#ifndef OPENSSL_NO_EC
case NID_X9_62_id_ecPublicKey:
p_tmp = p;
/* extract the ec parameters */
{
goto ecerr;
}
{
{
goto ecerr;
}
}
else
{
/* type == V_ASN1_OBJECT => the parameters are given
* by an asn1 OID
*/
{
goto ecerr;
}
goto ecerr;
goto ecerr;
}
/* We have parameters now set private key */
{
goto ecerr;
}
/* calculate public key (if necessary) */
{
/* the public key was not included in the SEC1 private
* key => calculate the public key */
{
goto ecerr;
}
{
goto ecerr;
}
{
goto ecerr;
}
{
goto ecerr;
}
}
if (ctx)
break;
if (ctx)
if (eckey)
if (pkey)
return NULL;
#endif
default:
return NULL;
}
return pkey;
}
{
}
/* Turn a private key into a PKCS8 structure */
{
if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
return NULL;
}
return NULL;
}
return NULL;
}
#ifndef OPENSSL_NO_RSA
case EVP_PKEY_RSA:
return NULL;
}
break;
#endif
#ifndef OPENSSL_NO_DSA
case EVP_PKEY_DSA:
return NULL;
}
break;
#endif
#ifndef OPENSSL_NO_EC
case EVP_PKEY_EC:
{
return(NULL);
}
break;
#endif
default:
return NULL;
}
return p8;
}
{
switch (broken) {
case PKCS8_OK:
return p8;
break;
case PKCS8_NO_OCTET:
return p8;
break;
default:
return NULL;
}
}
#ifndef OPENSSL_NO_DSA
{
unsigned char *p = NULL, *q;
int len;
if (!(p = OPENSSL_malloc(len))) {
goto err;
}
q = p;
if (!(params = ASN1_STRING_new())) {
goto err;
}
goto err;
}
OPENSSL_free(p);
p = NULL;
/* Get private key into integer */
goto err;
}
case PKCS8_OK:
case PKCS8_NO_OCTET:
goto err;
}
break;
case PKCS8_NS_DB:
if (!(ndsa = sk_ASN1_TYPE_new_null())) {
goto err;
}
if (!(ttmp = ASN1_TYPE_new())) {
goto err;
}
goto err;
}
goto err;
}
if (!(ttmp = ASN1_TYPE_new())) {
goto err;
}
goto err;
}
goto err;
}
goto err;
}
break;
case PKCS8_EMBEDDED_PARAM:
if (!(ndsa = sk_ASN1_TYPE_new_null())) {
goto err;
}
if (!(ttmp = ASN1_TYPE_new())) {
goto err;
}
goto err;
}
if (!(ttmp = ASN1_TYPE_new())) {
goto err;
}
goto err;
}
goto err;
}
goto err;
}
break;
}
return 1;
err:
if (p != NULL) OPENSSL_free(p);
return 0;
}
#endif
#ifndef OPENSSL_NO_EC
{
unsigned char *p, *pp;
{
return 0;
}
/* set the ec parameters OID */
/* set the ec parameters */
{
}
{
return 0;
}
{
/* we have a 'named curve' => just set the OID */
}
else /* explicit parameters */
{
{
return 0;
}
if ((p = (unsigned char *) OPENSSL_malloc(i)) == NULL)
{
return 0;
}
pp = p;
{
OPENSSL_free(p);
return 0;
}
= ASN1_STRING_new()) == NULL)
{
OPENSSL_free(p);
return 0;
}
OPENSSL_free(p);
}
/* set the private key */
/* do not include the parameters in the SEC1 private key
* see PKCS#11 12.11 */
if (!i)
{
return 0;
}
p = (unsigned char *) OPENSSL_malloc(i);
if (!p)
{
return 0;
}
pp = p;
{
OPENSSL_free(p);
return 0;
}
/* restore old encoding flags */
case PKCS8_OK:
(const void *)p, i))
{
}
else
ret = 1;
break;
case PKCS8_NO_OCTET: /* RSA specific */
case PKCS8_NS_DB: /* DSA specific */
case PKCS8_EMBEDDED_PARAM: /* DSA specific */
default:
}
OPENSSL_cleanse(p, (size_t)i);
OPENSSL_free(p);
return ret;
}
#endif
/* EVP_PKEY attribute functions */
{
}
int lastpos)
{
}
int lastpos)
{
}
{
}
{
}
{
return 0;
}
{
return 0;
}
{
return 0;
}
{
return 0;
}