1109998Smarkm/* x_algor.c */ 2296341Sdelphij/* 3296341Sdelphij * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4296341Sdelphij * 2000. 5109998Smarkm */ 6109998Smarkm/* ==================================================================== 7109998Smarkm * Copyright (c) 2000 The OpenSSL Project. All rights reserved. 855714Skris * 955714Skris * Redistribution and use in source and binary forms, with or without 1055714Skris * modification, are permitted provided that the following conditions 1155714Skris * are met: 12109998Smarkm * 13109998Smarkm * 1. Redistributions of source code must retain the above copyright 14296341Sdelphij * notice, this list of conditions and the following disclaimer. 15109998Smarkm * 1655714Skris * 2. Redistributions in binary form must reproduce the above copyright 17109998Smarkm * notice, this list of conditions and the following disclaimer in 18109998Smarkm * the documentation and/or other materials provided with the 19109998Smarkm * distribution. 20109998Smarkm * 21109998Smarkm * 3. All advertising materials mentioning features or use of this 22109998Smarkm * software must display the following acknowledgment: 23109998Smarkm * "This product includes software developed by the OpenSSL Project 24109998Smarkm * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25109998Smarkm * 26109998Smarkm * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27109998Smarkm * endorse or promote products derived from this software without 28109998Smarkm * prior written permission. For written permission, please contact 29109998Smarkm * licensing@OpenSSL.org. 30109998Smarkm * 31109998Smarkm * 5. Products derived from this software may not be called "OpenSSL" 32109998Smarkm * nor may "OpenSSL" appear in their names without prior written 33109998Smarkm * permission of the OpenSSL Project. 34109998Smarkm * 35109998Smarkm * 6. Redistributions of any form whatsoever must retain the following 36109998Smarkm * acknowledgment: 37109998Smarkm * "This product includes software developed by the OpenSSL Project 38109998Smarkm * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39109998Smarkm * 40109998Smarkm * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41109998Smarkm * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42109998Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43109998Smarkm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44109998Smarkm * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45109998Smarkm * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46109998Smarkm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47109998Smarkm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48109998Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49109998Smarkm * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50109998Smarkm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51109998Smarkm * OF THE POSSIBILITY OF SUCH DAMAGE. 52109998Smarkm * ==================================================================== 53109998Smarkm * 54109998Smarkm * This product includes cryptographic software written by Eric Young 55109998Smarkm * (eay@cryptsoft.com). This product includes software written by Tim 56109998Smarkm * Hudson (tjh@cryptsoft.com). 57109998Smarkm * 5855714Skris */ 5955714Skris 60109998Smarkm#include <stddef.h> 6155714Skris#include <openssl/x509.h> 62109998Smarkm#include <openssl/asn1.h> 63109998Smarkm#include <openssl/asn1t.h> 6455714Skris 65109998SmarkmASN1_SEQUENCE(X509_ALGOR) = { 66296341Sdelphij ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT), 67296341Sdelphij ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY) 68109998Smarkm} ASN1_SEQUENCE_END(X509_ALGOR) 6955714Skris 70296341SdelphijASN1_ITEM_TEMPLATE(X509_ALGORS) = 71296341Sdelphij ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR) 72194206SsimonASN1_ITEM_TEMPLATE_END(X509_ALGORS) 73194206Ssimon 74109998SmarkmIMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR) 75194206SsimonIMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(X509_ALGORS, X509_ALGORS, X509_ALGORS) 76109998SmarkmIMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR) 7755714Skris 7855714SkrisIMPLEMENT_STACK_OF(X509_ALGOR) 7955714SkrisIMPLEMENT_ASN1_SET_OF(X509_ALGOR) 80194206Ssimon 81194206Ssimonint X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval) 82296341Sdelphij{ 83296341Sdelphij if (!alg) 84296341Sdelphij return 0; 85296341Sdelphij if (ptype != V_ASN1_UNDEF) { 86296341Sdelphij if (alg->parameter == NULL) 87296341Sdelphij alg->parameter = ASN1_TYPE_new(); 88296341Sdelphij if (alg->parameter == NULL) 89296341Sdelphij return 0; 90296341Sdelphij } 91296341Sdelphij if (alg) { 92296341Sdelphij if (alg->algorithm) 93296341Sdelphij ASN1_OBJECT_free(alg->algorithm); 94296341Sdelphij alg->algorithm = aobj; 95296341Sdelphij } 96296341Sdelphij if (ptype == 0) 97296341Sdelphij return 1; 98296341Sdelphij if (ptype == V_ASN1_UNDEF) { 99296341Sdelphij if (alg->parameter) { 100296341Sdelphij ASN1_TYPE_free(alg->parameter); 101296341Sdelphij alg->parameter = NULL; 102296341Sdelphij } 103296341Sdelphij } else 104296341Sdelphij ASN1_TYPE_set(alg->parameter, ptype, pval); 105296341Sdelphij return 1; 106296341Sdelphij} 107194206Ssimon 108194206Ssimonvoid X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval, 109296341Sdelphij X509_ALGOR *algor) 110296341Sdelphij{ 111296341Sdelphij if (paobj) 112296341Sdelphij *paobj = algor->algorithm; 113296341Sdelphij if (pptype) { 114296341Sdelphij if (algor->parameter == NULL) { 115296341Sdelphij *pptype = V_ASN1_UNDEF; 116296341Sdelphij return; 117296341Sdelphij } else 118296341Sdelphij *pptype = algor->parameter->type; 119296341Sdelphij if (ppval) 120296341Sdelphij *ppval = algor->parameter->value.ptr; 121296341Sdelphij } 122296341Sdelphij} 123194206Ssimon 124238405Sjkim/* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */ 125238405Sjkim 126238405Sjkimvoid X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md) 127296341Sdelphij{ 128296341Sdelphij int param_type; 129238405Sjkim 130296341Sdelphij if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT) 131296341Sdelphij param_type = V_ASN1_UNDEF; 132296341Sdelphij else 133296341Sdelphij param_type = V_ASN1_NULL; 134238405Sjkim 135296341Sdelphij X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL); 136238405Sjkim 137296341Sdelphij} 138277195Sdelphij 139277195Sdelphijint X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b) 140296341Sdelphij{ 141296341Sdelphij int rv; 142296341Sdelphij rv = OBJ_cmp(a->algorithm, b->algorithm); 143296341Sdelphij if (rv) 144296341Sdelphij return rv; 145296341Sdelphij if (!a->parameter && !b->parameter) 146296341Sdelphij return 0; 147296341Sdelphij return ASN1_TYPE_cmp(a->parameter, b->parameter); 148296341Sdelphij} 149