providers/implementations/ciphers/cipher_camellia_hw.c

   1 /*
   2  * Copyright 2001-2021 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 <openssl/camellia.h>
  17 #include <openssl/proverr.h>
  18 #include "cipher_camellia.h"
  19
  20 static int cipher_hw_camellia_initkey(PROV_CIPHER_CTX *dat,
  21                                       const unsigned char *key, size_t keylen)
  22 {
  23     int ret, mode = dat->mode;
  24     PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat;
  25     CAMELLIA_KEY *ks = &adat->ks.ks;
  26
  27     dat->ks = ks;
  28     ret = Camellia_set_key(key, keylen * 8, ks);
  29     if (ret < 0) {
  30         ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED);
  31         return 0;
  32     }
  33     if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) {
  34         dat->block = (block128_f) Camellia_encrypt;
  35         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
  36             (cbc128_f) Camellia_cbc_encrypt : NULL;
  37     } else {
  38         dat->block = (block128_f) Camellia_decrypt;
  39         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
  40             (cbc128_f) Camellia_cbc_encrypt : NULL;
  41     }
  42     return 1;
  43 }
  44
  45 IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_camellia_copyctx, PROV_CAMELLIA_CTX)
  46
  47 # if defined(SPARC_CMLL_CAPABLE)
  48 #  include "cipher_camellia_hw_t4.inc"
  49 # else
  50 /* The generic case */
  51 #  define PROV_CIPHER_HW_declare(mode)
  52 #  define PROV_CIPHER_HW_select(mode)
  53 # endif /* SPARC_CMLL_CAPABLE */
  54
  55 #define PROV_CIPHER_HW_camellia_mode(mode)                                     \
  56 static const PROV_CIPHER_HW camellia_##mode = {                                \
  57     cipher_hw_camellia_initkey,                                                \
  58     ossl_cipher_hw_generic_##mode,                                             \
  59     cipher_hw_camellia_copyctx                                                 \
  60 };                                                                             \
  61 PROV_CIPHER_HW_declare(mode)                                                   \
  62 const PROV_CIPHER_HW *ossl_prov_cipher_hw_camellia_##mode(size_t keybits)      \
  63 {                                                                              \
  64     PROV_CIPHER_HW_select(mode)                                                \
  65     return &camellia_##mode;                                                   \
  66 }
  67
  68 PROV_CIPHER_HW_camellia_mode(cbc)
  69 PROV_CIPHER_HW_camellia_mode(ecb)
  70 PROV_CIPHER_HW_camellia_mode(ofb128)
  71 PROV_CIPHER_HW_camellia_mode(cfb128)
  72 PROV_CIPHER_HW_camellia_mode(cfb1)
  73 PROV_CIPHER_HW_camellia_mode(cfb8)
  74 PROV_CIPHER_HW_camellia_mode(ctr)