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148 lines
5.0 KiB
148 lines
5.0 KiB
/* x_algor.c */ |
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/* |
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
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* 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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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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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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if (alg->parameter) { |
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ASN1_TYPE_free(alg->parameter); |
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alg->parameter = NULL; |
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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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if (algor->parameter == NULL) { |
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*pptype = V_ASN1_UNDEF; |
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return; |
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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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int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b) |
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{ |
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int rv; |
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rv = OBJ_cmp(a->algorithm, b->algorithm); |
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if (rv) |
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return rv; |
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if (!a->parameter && !b->parameter) |
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return 0; |
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return ASN1_TYPE_cmp(a->parameter, b->parameter); |
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}
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