| /* v3_skey.c */ |
| /* Written by Dr Stephen N Henson (steve@openssl.org) 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 <openssl/digest.h> |
| #include <openssl/err.h> |
| #include <openssl/obj.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())) { |
| OPENSSL_PUT_ERROR(X509V3, 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())) { |
| OPENSSL_PUT_ERROR(X509V3, 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)) { |
| OPENSSL_PUT_ERROR(X509V3, 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) { |
| OPENSSL_PUT_ERROR(X509V3, s2i_skey_id, X509V3_R_NO_PUBLIC_KEY); |
| goto err; |
| } |
| |
| if (!EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL)) |
| goto err; |
| |
| if(!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) { |
| OPENSSL_PUT_ERROR(X509V3, s2i_skey_id, ERR_R_MALLOC_FAILURE); |
| goto err; |
| } |
| |
| return oct; |
| |
| err: |
| M_ASN1_OCTET_STRING_free(oct); |
| return NULL; |
| } |