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      1 /*
      2  * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License 2.0 (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 #include <string.h> /* for memcpy() */
     11 #include <openssl/core_names.h>
     12 #include <openssl/crypto.h>
     13 #include "eckem.h"
     14 
     15 typedef struct {
     16     unsigned int id;
     17     const char *mode;
     18 } KEM_MODE;
     19 
     20 static const KEM_MODE eckem_modename_id_map[] = {
     21     { KEM_MODE_DHKEM, OSSL_KEM_PARAM_OPERATION_DHKEM },
     22     { 0, NULL }
     23 };
     24 
     25 int ossl_eckem_modename2id(const char *name)
     26 {
     27     size_t i;
     28 
     29     if (name == NULL)
     30         return KEM_MODE_UNDEFINED;
     31 
     32     for (i = 0; eckem_modename_id_map[i].mode != NULL; ++i) {
     33         if (OPENSSL_strcasecmp(name, eckem_modename_id_map[i].mode) == 0)
     34             return eckem_modename_id_map[i].id;
     35     }
     36     return KEM_MODE_UNDEFINED;
     37 }
     38