/* v3_skey.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999 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
* 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 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 "cryptlib.h"
#include <openssl/x509v3.h>
static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);
const X509V3_EXT_METHOD v3_skey_id = {
NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING),
0,0,0,0,
(X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
(X509V3_EXT_S2I)s2i_skey_id,
0,0,0,0,
NULL};
char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
ASN1_OCTET_STRING *oct)
{
return hex_to_string(oct->data, oct->length);
}
ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, char *str)
{
ASN1_OCTET_STRING *oct;
long length;
if(!(oct = M_ASN1_OCTET_STRING_new())) {
X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
return NULL;
}
if(!(oct->data = string_to_hex(str, &length))) {
M_ASN1_OCTET_STRING_free(oct);
return NULL;
}
oct->length = length;
return oct;
}
static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, char *str)
{
ASN1_OCTET_STRING *oct;
ASN1_BIT_STRING *pk;
unsigned char pkey_dig[EVP_MAX_MD_SIZE];
unsigned int diglen;
if(strcmp(str, "hash")) return s2i_ASN1_OCTET_STRING(method, ctx, str);
if(!(oct = M_ASN1_OCTET_STRING_new())) {
X509V3err(X509V3_F_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
return NULL;
}
if(ctx && (ctx->flags == CTX_TEST)) return oct;
if(!ctx || (!ctx->subject_req && !ctx->subject_cert)) {
X509V3err(X509V3_F_S2I_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
goto err;
}
if(ctx->subject_req)
pk = ctx->subject_req->req_info->pubkey->public_key;
else pk = ctx->subject_cert->cert_info->key->public_key;
if(!pk) {
X509V3err(X509V3_F_S2I_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
goto err;
}
EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL);
if(!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {
X509V3err(X509V3_F_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
goto err;
}
return oct;
err:
M_ASN1_OCTET_STRING_free(oct);
return NULL;
}
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