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145 lines
4.5 KiB
C
145 lines
4.5 KiB
C
/* x_algor.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000 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 <stddef.h>
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#include <openssl/x509.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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ASN1_SEQUENCE(X509_ALGOR) = {
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ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
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ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY)
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} ASN1_SEQUENCE_END(X509_ALGOR)
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ASN1_ITEM_TEMPLATE(X509_ALGORS) =
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ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR)
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ASN1_ITEM_TEMPLATE_END(X509_ALGORS)
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IMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR)
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IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(X509_ALGORS, X509_ALGORS, X509_ALGORS)
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IMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR)
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IMPLEMENT_STACK_OF(X509_ALGOR)
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IMPLEMENT_ASN1_SET_OF(X509_ALGOR)
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int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
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{
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if (!alg)
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return 0;
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if (ptype != V_ASN1_UNDEF)
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{
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if (alg->parameter == NULL)
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alg->parameter = ASN1_TYPE_new();
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if (alg->parameter == NULL)
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return 0;
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}
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if (alg)
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{
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if (alg->algorithm)
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ASN1_OBJECT_free(alg->algorithm);
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alg->algorithm = aobj;
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}
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if (ptype == 0)
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return 1;
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if (ptype == V_ASN1_UNDEF)
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{
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if (alg->parameter)
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{
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ASN1_TYPE_free(alg->parameter);
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alg->parameter = NULL;
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}
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}
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else
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ASN1_TYPE_set(alg->parameter, ptype, pval);
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return 1;
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}
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void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
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X509_ALGOR *algor)
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{
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if (paobj)
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*paobj = algor->algorithm;
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if (pptype)
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{
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if (algor->parameter == NULL)
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{
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*pptype = V_ASN1_UNDEF;
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return;
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}
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else
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*pptype = algor->parameter->type;
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if (ppval)
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*ppval = algor->parameter->value.ptr;
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}
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}
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/* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
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void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
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{
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int param_type;
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if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
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param_type = V_ASN1_UNDEF;
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else
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param_type = V_ASN1_NULL;
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X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
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}
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