/* 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).

  *

  */

  /*

  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

  */

 #include <stdio.h>

 #include "cryptlib.h"

 #include <openssl/x509v3.h>

 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

 #include "libcrypto_wsd_macros.h"

 #include "libcrypto_wsd.h"

 #endif

 static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);

 #ifndef EMULATOR

 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};

 #else

 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};

 #endif

 EXPORT_C char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,

 	     ASN1_OCTET_STRING *oct)

 {

 	return hex_to_string(oct->data, oct->length);

 }

 EXPORT_C 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;

 }