providers/implementations/ciphers/cipher_rc5_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_rc5.h"
  11
  12 static int cipher_hw_rc5_initkey(PROV_CIPHER_CTX *ctx,
  13                                  const unsigned char *key, size_t keylen)
  14 {
  15     PROV_RC5_CTX *rctx = (PROV_RC5_CTX *)ctx;
  16
  17     return RC5_32_set_key(&rctx->ks.ks, keylen, key, rctx->rounds);
  18 }
  19
  20 # define PROV_CIPHER_HW_rc5_mode(mode, UCMODE)                                 \
  21 IMPLEMENT_CIPHER_HW_##UCMODE(mode, rc5, PROV_RC5_CTX, RC5_32_KEY,              \
  22                              RC5_32_##mode)                                    \
  23 static const PROV_CIPHER_HW rc5_##mode = {                                     \
  24     cipher_hw_rc5_initkey,                                                     \
  25     cipher_hw_rc5_##mode##_cipher                                              \
  26 };                                                                             \
  27 const PROV_CIPHER_HW *PROV_CIPHER_HW_rc5_##mode(size_t keybits)                \
  28 {                                                                              \
  29     return &rc5_##mode;                                                        \
  30 }
  31
  32 PROV_CIPHER_HW_rc5_mode(cbc, CBC)
  33 PROV_CIPHER_HW_rc5_mode(ecb, ECB)
  34 PROV_CIPHER_HW_rc5_mode(ofb64, OFB)
  35 PROV_CIPHER_HW_rc5_mode(cfb64, CFB)