ssl/libcrypto/src/crypto/x509v3/v3_skey.c
changeset 31 ce057bb09d0b
parent 0 e4d67989cc36
equal deleted inserted replaced
30:e20de85af2ee 31:ce057bb09d0b
       
     1 /* v3_skey.c */
       
     2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
       
     3  * project 1999.
       
     4  */
       
     5 /* ====================================================================
       
     6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
       
     7  *
       
     8  * Redistribution and use in source and binary forms, with or without
       
     9  * modification, are permitted provided that the following conditions
       
    10  * are met:
       
    11  *
       
    12  * 1. Redistributions of source code must retain the above copyright
       
    13  *    notice, this list of conditions and the following disclaimer. 
       
    14  *
       
    15  * 2. Redistributions in binary form must reproduce the above copyright
       
    16  *    notice, this list of conditions and the following disclaimer in
       
    17  *    the documentation and/or other materials provided with the
       
    18  *    distribution.
       
    19  *
       
    20  * 3. All advertising materials mentioning features or use of this
       
    21  *    software must display the following acknowledgment:
       
    22  *    "This product includes software developed by the OpenSSL Project
       
    23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
       
    24  *
       
    25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
       
    26  *    endorse or promote products derived from this software without
       
    27  *    prior written permission. For written permission, please contact
       
    28  *    licensing@OpenSSL.org.
       
    29  *
       
    30  * 5. Products derived from this software may not be called "OpenSSL"
       
    31  *    nor may "OpenSSL" appear in their names without prior written
       
    32  *    permission of the OpenSSL Project.
       
    33  *
       
    34  * 6. Redistributions of any form whatsoever must retain the following
       
    35  *    acknowledgment:
       
    36  *    "This product includes software developed by the OpenSSL Project
       
    37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
       
    38  *
       
    39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
       
    40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
       
    42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
       
    43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
       
    44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
       
    45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
       
    46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
       
    48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
       
    49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
       
    50  * OF THE POSSIBILITY OF SUCH DAMAGE.
       
    51  * ====================================================================
       
    52  *
       
    53  * This product includes cryptographic software written by Eric Young
       
    54  * (eay@cryptsoft.com).  This product includes software written by Tim
       
    55  * Hudson (tjh@cryptsoft.com).
       
    56  *
       
    57  */
       
    58  /*
       
    59  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
       
    60  */
       
    61 
       
    62 
       
    63 #include <stdio.h>
       
    64 #include "cryptlib.h"
       
    65 #include <openssl/x509v3.h>
       
    66 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
       
    67 #include "libcrypto_wsd_macros.h"
       
    68 #include "libcrypto_wsd.h"
       
    69 #endif
       
    70 
       
    71 
       
    72 static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);
       
    73 #ifndef EMULATOR
       
    74 X509V3_EXT_METHOD v3_skey_id = { 
       
    75 NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING),
       
    76 0,0,0,0,
       
    77 (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
       
    78 (X509V3_EXT_S2I)s2i_skey_id,
       
    79 0,0,0,0,
       
    80 NULL};
       
    81 #else
       
    82 const X509V3_EXT_METHOD v3_skey_id = { 
       
    83 NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING),
       
    84 0,0,0,0,
       
    85 (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
       
    86 (X509V3_EXT_S2I)s2i_skey_id,
       
    87 0,0,0,0,
       
    88 NULL};
       
    89 
       
    90 #endif
       
    91 EXPORT_C char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
       
    92 	     ASN1_OCTET_STRING *oct)
       
    93 {
       
    94 	return hex_to_string(oct->data, oct->length);
       
    95 }
       
    96 
       
    97 EXPORT_C ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
       
    98 	     X509V3_CTX *ctx, char *str)
       
    99 {
       
   100 	ASN1_OCTET_STRING *oct;
       
   101 	long length;
       
   102 
       
   103 	if(!(oct = M_ASN1_OCTET_STRING_new())) {
       
   104 		X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
       
   105 		return NULL;
       
   106 	}
       
   107 
       
   108 	if(!(oct->data = string_to_hex(str, &length))) {
       
   109 		M_ASN1_OCTET_STRING_free(oct);
       
   110 		return NULL;
       
   111 	}
       
   112 
       
   113 	oct->length = length;
       
   114 
       
   115 	return oct;
       
   116 
       
   117 }
       
   118 
       
   119 static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
       
   120 	     X509V3_CTX *ctx, char *str)
       
   121 {
       
   122 	ASN1_OCTET_STRING *oct;
       
   123 	ASN1_BIT_STRING *pk;
       
   124 	unsigned char pkey_dig[EVP_MAX_MD_SIZE];
       
   125 	unsigned int diglen;
       
   126 
       
   127 	if(strcmp(str, "hash")) return s2i_ASN1_OCTET_STRING(method, ctx, str);
       
   128 
       
   129 	if(!(oct = M_ASN1_OCTET_STRING_new())) {
       
   130 		X509V3err(X509V3_F_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
       
   131 		return NULL;
       
   132 	}
       
   133 
       
   134 	if(ctx && (ctx->flags == CTX_TEST)) return oct;
       
   135 
       
   136 	if(!ctx || (!ctx->subject_req && !ctx->subject_cert)) {
       
   137 		X509V3err(X509V3_F_S2I_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
       
   138 		goto err;
       
   139 	}
       
   140 
       
   141 	if(ctx->subject_req) 
       
   142 		pk = ctx->subject_req->req_info->pubkey->public_key;
       
   143 	else pk = ctx->subject_cert->cert_info->key->public_key;
       
   144 
       
   145 	if(!pk) {
       
   146 		X509V3err(X509V3_F_S2I_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
       
   147 		goto err;
       
   148 	}
       
   149 
       
   150 	EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL);
       
   151 
       
   152 	if(!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {
       
   153 		X509V3err(X509V3_F_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
       
   154 		goto err;
       
   155 	}
       
   156 
       
   157 	return oct;
       
   158 	
       
   159 	err:
       
   160 	M_ASN1_OCTET_STRING_free(oct);
       
   161 	return NULL;
       
   162 }