98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
// Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 2000.
|
|
// Copyright (c) 2000 The OpenSSL Project. All rights reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#include <openssl/x509.h>
|
|
|
|
#include <openssl/asn1.h>
|
|
#include <openssl/asn1t.h>
|
|
#include <openssl/digest.h>
|
|
#include <openssl/obj.h>
|
|
|
|
#include "../asn1/internal.h"
|
|
|
|
|
|
ASN1_SEQUENCE(X509_ALGOR) = {
|
|
ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
|
|
ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY),
|
|
} ASN1_SEQUENCE_END(X509_ALGOR)
|
|
|
|
IMPLEMENT_ASN1_FUNCTIONS_const(X509_ALGOR)
|
|
IMPLEMENT_ASN1_DUP_FUNCTION_const(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) {
|
|
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(const ASN1_OBJECT **out_obj, int *out_param_type,
|
|
const void **out_param_value, const X509_ALGOR *alg) {
|
|
if (out_obj != NULL) {
|
|
*out_obj = alg->algorithm;
|
|
}
|
|
if (out_param_type != NULL) {
|
|
int type = V_ASN1_UNDEF;
|
|
const void *value = NULL;
|
|
if (alg->parameter != NULL) {
|
|
type = alg->parameter->type;
|
|
value = asn1_type_value_as_pointer(alg->parameter);
|
|
}
|
|
*out_param_type = type;
|
|
if (out_param_value != NULL) {
|
|
*out_param_value = value;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD
|
|
|
|
int X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md) {
|
|
int param_type;
|
|
|
|
if (EVP_MD_flags(md) & EVP_MD_FLAG_DIGALGID_ABSENT) {
|
|
param_type = V_ASN1_UNDEF;
|
|
} else {
|
|
param_type = V_ASN1_NULL;
|
|
}
|
|
|
|
return X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
|
|
}
|
|
|
|
// X509_ALGOR_cmp returns 0 if |a| and |b| are equal and non-zero otherwise.
|
|
int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b) {
|
|
int rv;
|
|
rv = OBJ_cmp(a->algorithm, b->algorithm);
|
|
if (rv) {
|
|
return rv;
|
|
}
|
|
if (!a->parameter && !b->parameter) {
|
|
return 0;
|
|
}
|
|
return ASN1_TYPE_cmp(a->parameter, b->parameter);
|
|
}
|