providers/implementations/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 /*
  11  * Camellia 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_camellia.h"
  17 #include <openssl/camellia.h>
  18
  19 static int cipher_hw_camellia_initkey(PROV_CIPHER_CTX *dat,
  20                                       const unsigned char *key, size_t keylen)
  21 {
  22     int ret, mode = dat->mode;
  23     PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat;
  24     CAMELLIA_KEY *ks = &adat->ks.ks;
  25
  26     dat->ks = ks;
  27     ret = Camellia_set_key(key, keylen * 8, ks);
  28     if (ret < 0) {
  29         ERR_raise(ERR_LIB_PROV, EVP_R_ARIA_KEY_SETUP_FAILED);
  30         return 0;
  31     }
  32     if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) {
  33         dat->block = (block128_f) Camellia_encrypt;
  34         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
  35             (cbc128_f) Camellia_cbc_encrypt : NULL;
  36     } else {
  37         dat->block = (block128_f) Camellia_decrypt;
  38         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
  39             (cbc128_f) Camellia_cbc_encrypt : NULL;
  40     }
  41     return 1;
  42 }
  43
  44 IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_camellia_copyctx, PROV_CAMELLIA_CTX)
  45
  46 # if defined(SPARC_CMLL_CAPABLE)
  47 #  include "cipher_camellia_hw_t4.inc"
  48 # else
  49 /* The generic case */
  50 #  define PROV_CIPHER_HW_declare(mode)
  51 #  define PROV_CIPHER_HW_select(mode)
  52 # endif /* SPARC_CMLL_CAPABLE */
  53
  54 #define PROV_CIPHER_HW_camellia_mode(mode)                                     \
  55 static const PROV_CIPHER_HW camellia_##mode = {                                \
  56     cipher_hw_camellia_initkey,                                                \
  57     cipher_hw_generic_##mode,                                                  \
  58     cipher_hw_camellia_copyctx                                                 \
  59 };                                                                             \
  60 PROV_CIPHER_HW_declare(mode)                                                   \
  61 const PROV_CIPHER_HW *PROV_CIPHER_HW_camellia_##mode(size_t keybits)           \
  62 {                                                                              \
  63     PROV_CIPHER_HW_select(mode)                                                \
  64     return &camellia_##mode;                                                   \
  65 }
  66
  67 PROV_CIPHER_HW_camellia_mode(cbc)
  68 PROV_CIPHER_HW_camellia_mode(ecb)
  69 PROV_CIPHER_HW_camellia_mode(ofb128)
  70 PROV_CIPHER_HW_camellia_mode(cfb128)
  71 PROV_CIPHER_HW_camellia_mode(cfb1)
  72 PROV_CIPHER_HW_camellia_mode(cfb8)
  73 PROV_CIPHER_HW_camellia_mode(ctr)