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- /* 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);
- 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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