/* * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include <string.h> /* strcmp */ #include <openssl/dh.h> #include "internal/nelem.h" #include "crypto/dh.h" typedef struct dh_name2id_st{ const char *name; int id; int type; } DH_GENTYPE_NAME2ID; /* Indicates that the paramgen_type can be used for either DH or DHX */ #define TYPE_ANY -1 #ifndef OPENSSL_NO_DH # define TYPE_DH DH_FLAG_TYPE_DH # define TYPE_DHX DH_FLAG_TYPE_DHX #else # define TYPE_DH 0 # define TYPE_DHX 0 #endif static const DH_GENTYPE_NAME2ID dhtype2id[] = { { "group", DH_PARAMGEN_TYPE_GROUP, TYPE_ANY }, { "generator", DH_PARAMGEN_TYPE_GENERATOR, TYPE_DH }, { "fips186_4", DH_PARAMGEN_TYPE_FIPS_186_4, TYPE_DHX }, { "fips186_2", DH_PARAMGEN_TYPE_FIPS_186_2, TYPE_DHX }, }; const char *ossl_dh_gen_type_id2name(int id) { size_t i; for (i = 0; i < OSSL_NELEM(dhtype2id); ++i) { if (dhtype2id[i].id == id) return dhtype2id[i].name; } return NULL; } #ifndef OPENSSL_NO_DH int ossl_dh_gen_type_name2id(const char *name, int type) { size_t i; for (i = 0; i < OSSL_NELEM(dhtype2id); ++i) { if ((dhtype2id[i].type == TYPE_ANY || type == dhtype2id[i].type) && strcmp(dhtype2id[i].name, name) == 0) return dhtype2id[i].id; } return -1; } #endif |