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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Copyright 2020-2024 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h> /* strcmp */
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#include <openssl/dh.h>
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#include "internal/nelem.h"
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#include "crypto/dh.h"
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typedef struct dh_name2id_st {
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const char *name;
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int id;
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int type;
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} DH_GENTYPE_NAME2ID;
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/* Indicates that the paramgen_type can be used for either DH or DHX */
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#define TYPE_ANY -1
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#ifndef OPENSSL_NO_DH
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# define TYPE_DH DH_FLAG_TYPE_DH
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# define TYPE_DHX DH_FLAG_TYPE_DHX
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#else
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# define TYPE_DH 0
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# define TYPE_DHX 0
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#endif
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static const DH_GENTYPE_NAME2ID dhtype2id[] = {
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{ "group", DH_PARAMGEN_TYPE_GROUP, TYPE_ANY },
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{ "generator", DH_PARAMGEN_TYPE_GENERATOR, TYPE_DH },
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{ "fips186_4", DH_PARAMGEN_TYPE_FIPS_186_4, TYPE_DHX },
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{ "fips186_2", DH_PARAMGEN_TYPE_FIPS_186_2, TYPE_DHX },
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};
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const char *ossl_dh_gen_type_id2name(int id)
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{
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size_t i;
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for (i = 0; i < OSSL_NELEM(dhtype2id); ++i) {
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if (dhtype2id[i].id == id)
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return dhtype2id[i].name;
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}
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return NULL;
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}
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#ifndef OPENSSL_NO_DH
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int ossl_dh_gen_type_name2id(const char *name, int type)
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{
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size_t i;
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for (i = 0; i < OSSL_NELEM(dhtype2id); ++i) {
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if ((dhtype2id[i].type == TYPE_ANY
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|| type == dhtype2id[i].type)
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&& strcmp(dhtype2id[i].name, name) == 0)
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return dhtype2id[i].id;
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}
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return -1;
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}
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#endif
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