providers/default/ciphers/cipher_camellia_hw.c

   1 /*
   2  * Copyright 2001-2019 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_camellia.h"
  11 #include <openssl/camellia.h>
  12
  13 static int cipher_hw_camellia_initkey(PROV_CIPHER_CTX *dat,
  14                                       const unsigned char *key, size_t keylen)
  15 {
  16     int ret, mode = dat->mode;
  17     PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat;
  18     CAMELLIA_KEY *ks = &adat->ks.ks;
  19
  20     dat->ks = ks;
  21     ret = Camellia_set_key(key, keylen * 8, ks);
  22     if (ret < 0) {
  23         ERR_raise(ERR_LIB_PROV, EVP_R_ARIA_KEY_SETUP_FAILED);
  24         return 0;
  25     }
  26     if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) {
  27         dat->block = (block128_f) Camellia_encrypt;
  28         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
  29             (cbc128_f) Camellia_cbc_encrypt : NULL;
  30     } else {
  31         dat->block = (block128_f) Camellia_decrypt;
  32         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
  33             (cbc128_f) Camellia_cbc_encrypt : NULL;
  34     }
  35     return 1;
  36 }
  37
  38 # if defined(SPARC_CMLL_CAPABLE)
  39 #  include "cipher_camellia_hw_t4.inc"
  40 # else
  41 /* The generic case */
  42 #  define PROV_CIPHER_HW_declare(mode)
  43 #  define PROV_CIPHER_HW_select(mode)
  44 # endif /* SPARC_CMLL_CAPABLE */
  45
  46 #define PROV_CIPHER_HW_camellia_mode(mode)                                     \
  47 static const PROV_CIPHER_HW camellia_##mode = {                                \
  48     cipher_hw_camellia_initkey,                                                \
  49     cipher_hw_generic_##mode                                                   \
  50 };                                                                             \
  51 PROV_CIPHER_HW_declare(mode)                                                   \
  52 const PROV_CIPHER_HW *PROV_CIPHER_HW_camellia_##mode(size_t keybits)           \
  53 {                                                                              \
  54     PROV_CIPHER_HW_select(mode)                                                \
  55     return &camellia_##mode;                                                   \
  56 }
  57
  58 PROV_CIPHER_HW_camellia_mode(cbc)
  59 PROV_CIPHER_HW_camellia_mode(ecb)
  60 PROV_CIPHER_HW_camellia_mode(ofb128)
  61 PROV_CIPHER_HW_camellia_mode(cfb128)
  62 PROV_CIPHER_HW_camellia_mode(cfb1)
  63 PROV_CIPHER_HW_camellia_mode(cfb8)
  64 PROV_CIPHER_HW_camellia_mode(ctr)