providers/implementations/ciphers/cipher_seed_hw.c

   1 /*
   2  * Copyright 2019 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 "cipher_seed.h"
  11
  12 static int cipher_hw_seed_initkey(PROV_CIPHER_CTX *ctx,
  13                                   const unsigned char *key, size_t keylen)
  14 {
  15     PROV_SEED_CTX *sctx =  (PROV_SEED_CTX *)ctx;
  16
  17     SEED_set_key(key, &(sctx->ks.ks));
  18     return 1;
  19 }
  20
  21 # define PROV_CIPHER_HW_seed_mode(mode, UCMODE)                                \
  22 IMPLEMENT_CIPHER_HW_##UCMODE(mode, seed, PROV_SEED_CTX, SEED_KEY_SCHEDULE,     \
  23                              SEED_##mode)                                      \
  24 static const PROV_CIPHER_HW seed_##mode = {                                    \
  25     cipher_hw_seed_initkey,                                                    \
  26     cipher_hw_seed_##mode##_cipher                                             \
  27 };                                                                             \
  28 const PROV_CIPHER_HW *PROV_CIPHER_HW_seed_##mode(size_t keybits)               \
  29 {                                                                              \
  30     return &seed_##mode;                                                       \
  31 }
  32
  33 PROV_CIPHER_HW_seed_mode(cbc, CBC)
  34 PROV_CIPHER_HW_seed_mode(ecb, ECB)
  35 PROV_CIPHER_HW_seed_mode(ofb128, OFB)
  36 PROV_CIPHER_HW_seed_mode(cfb128, CFB)