providers/implementations/ciphers/cipher_rc5_hw.c

   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  * RC5 low level APIs are deprecated for public use, but still ok for internal
  12  * use.
  13  */
  14 #include "internal/deprecated.h"
  15
  16 #include "cipher_rc5.h"
  17
  18 static int cipher_hw_rc5_initkey(PROV_CIPHER_CTX *ctx,
  19                                  const unsigned char *key, size_t keylen)
  20 {
  21     PROV_RC5_CTX *rctx = (PROV_RC5_CTX *)ctx;
  22
  23     return RC5_32_set_key(&rctx->ks.ks, keylen, key, rctx->rounds);
  24 }
  25
  26 # define PROV_CIPHER_HW_rc5_mode(mode, UCMODE)                                 \
  27 IMPLEMENT_CIPHER_HW_##UCMODE(mode, rc5, PROV_RC5_CTX, RC5_32_KEY,              \
  28                              RC5_32_##mode)                                    \
  29 static const PROV_CIPHER_HW rc5_##mode = {                                     \
  30     cipher_hw_rc5_initkey,                                                     \
  31     cipher_hw_rc5_##mode##_cipher                                              \
  32 };                                                                             \
  33 const PROV_CIPHER_HW *PROV_CIPHER_HW_rc5_##mode(size_t keybits)                \
  34 {                                                                              \
  35     return &rc5_##mode;                                                        \
  36 }
  37
  38 PROV_CIPHER_HW_rc5_mode(cbc, CBC)
  39 PROV_CIPHER_HW_rc5_mode(ecb, ECB)
  40 PROV_CIPHER_HW_rc5_mode(ofb64, OFB)
  41 PROV_CIPHER_HW_rc5_mode(cfb64, CFB)