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/* $OpenBSD: v3_skey.c,v 1.15 2017/01/29 17:49:23 beck Exp $ */ |
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
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* project 1999. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <openssl/err.h> |
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#include <openssl/x509v3.h> |
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static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, |
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X509V3_CTX *ctx, char *str); |
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const X509V3_EXT_METHOD v3_skey_id = { |
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.ext_nid = NID_subject_key_identifier, |
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.ext_flags = 0, |
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.it = &ASN1_OCTET_STRING_it, |
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.ext_new = NULL, |
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.ext_free = NULL, |
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.d2i = NULL, |
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.i2d = NULL, |
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.i2s = (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING, |
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.s2i = (X509V3_EXT_S2I)s2i_skey_id, |
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.i2v = NULL, |
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.v2i = NULL, |
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.i2r = NULL, |
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.r2i = NULL, |
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.usr_data = NULL, |
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}; |
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char * |
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i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct) |
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{ |
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return hex_to_string(oct->data, oct->length); |
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} |
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ASN1_OCTET_STRING * |
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s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str) |
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{ |
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ASN1_OCTET_STRING *oct; |
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long length; |
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if (!(oct = ASN1_OCTET_STRING_new())) { |
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X509V3error(ERR_R_MALLOC_FAILURE); |
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return NULL; |
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} |
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if (!(oct->data = string_to_hex(str, &length))) { |
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ASN1_OCTET_STRING_free(oct); |
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return NULL; |
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} |
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oct->length = length; |
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return oct; |
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} |
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static ASN1_OCTET_STRING * |
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s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str) |
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{ |
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ASN1_OCTET_STRING *oct; |
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ASN1_BIT_STRING *pk; |
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unsigned char pkey_dig[EVP_MAX_MD_SIZE]; |
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unsigned int diglen; |
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if (strcmp(str, "hash")) |
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return s2i_ASN1_OCTET_STRING(method, ctx, str); |
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if (!(oct = ASN1_OCTET_STRING_new())) { |
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X509V3error(ERR_R_MALLOC_FAILURE); |
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return NULL; |
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} |
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if (ctx && (ctx->flags == CTX_TEST)) |
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return oct; |
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if (!ctx || (!ctx->subject_req && !ctx->subject_cert)) { |
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X509V3error(X509V3_R_NO_PUBLIC_KEY); |
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goto err; |
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} |
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if (ctx->subject_req) |
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pk = ctx->subject_req->req_info->pubkey->public_key; |
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else |
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pk = ctx->subject_cert->cert_info->key->public_key; |
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if (!pk) { |
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X509V3error(X509V3_R_NO_PUBLIC_KEY); |
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goto err; |
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} |
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if (!EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, |
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EVP_sha1(), NULL)) |
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goto err; |
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if (!ASN1_STRING_set(oct, pkey_dig, diglen)) { |
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X509V3error(ERR_R_MALLOC_FAILURE); |
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goto err; |
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} |
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return oct; |
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err: |
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ASN1_OCTET_STRING_free(oct); |
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return NULL; |
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} |