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      1 /*
      2  * Copyright 2019-2020 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 /*
     11  * SEED low level APIs are deprecated for public use, but still ok for
     12  * internal use.
     13  */
     14 #include "internal/deprecated.h"
     15 
     16 #include "cipher_seed.h"
     17 
     18 static int cipher_hw_seed_initkey(PROV_CIPHER_CTX *ctx,
     19     const unsigned char *key, size_t keylen)
     20 {
     21     PROV_SEED_CTX *sctx = (PROV_SEED_CTX *)ctx;
     22 
     23     SEED_set_key(key, &(sctx->ks.ks));
     24     return 1;
     25 }
     26 
     27 #define PROV_CIPHER_HW_seed_mode(mode, UCMODE)                                 \
     28     IMPLEMENT_CIPHER_HW_##UCMODE(mode, seed, PROV_SEED_CTX, SEED_KEY_SCHEDULE, \
     29         SEED_##mode) static const PROV_CIPHER_HW seed_##mode                   \
     30         = {                                                                    \
     31               cipher_hw_seed_initkey,                                          \
     32               cipher_hw_seed_##mode##_cipher                                   \
     33           };                                                                   \
     34     const PROV_CIPHER_HW *ossl_prov_cipher_hw_seed_##mode(size_t keybits)      \
     35     {                                                                          \
     36         return &seed_##mode;                                                   \
     37     }
     38 
     39 PROV_CIPHER_HW_seed_mode(cbc, CBC)
     40     PROV_CIPHER_HW_seed_mode(ecb, ECB)
     41         PROV_CIPHER_HW_seed_mode(ofb128, OFB)
     42             PROV_CIPHER_HW_seed_mode(cfb128, CFB)
     43