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