_ Git - BearSSL/blob - src/ssl/ssl_engine_default_aesccm.c

   1 /*
   2  * Copyright (c) 2018 Thomas Pornin <pornin@bolet.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24
  25 #include "inner.h"
  26
  27 /* see bearssl_ssl.h */
  28 void
  29 br_ssl_engine_set_default_aes_ccm(br_ssl_engine_context *cc)
  30 {
  31 #if BR_AES_X86NI || BR_POWER8
  32         const br_block_ctrcbc_class *ictrcbc;
  33 #endif
  34
  35         br_ssl_engine_set_ccm(cc,
  36                 &br_sslrec_in_ccm_vtable,
  37                 &br_sslrec_out_ccm_vtable);
  38 #if BR_AES_X86NI
  39         ictrcbc = br_aes_x86ni_ctrcbc_get_vtable();
  40         if (ictrcbc != NULL) {
  41                 br_ssl_engine_set_aes_ctrcbc(cc, ictrcbc);
  42         } else {
  43 #if BR_64
  44                 br_ssl_engine_set_aes_ctrcbc(cc, &br_aes_ct64_ctrcbc_vtable);
  45 #else
  46                 br_ssl_engine_set_aes_ctrcbc(cc, &br_aes_ct_ctrcbc_vtable);
  47 #endif
  48         }
  49 #elif BR_POWER8
  50         ictrcbc = br_aes_pwr8_ctrcbc_get_vtable();
  51         if (ictrcbc != NULL) {
  52                 br_ssl_engine_set_aes_ctrcbc(cc, ictrcbc);
  53         } else {
  54 #if BR_64
  55                 br_ssl_engine_set_aes_ctrcbc(cc, &br_aes_ct64_ctrcbc_vtable);
  56 #else
  57                 br_ssl_engine_set_aes_ctrcbc(cc, &br_aes_ct_ctrcbc_vtable);
  58 #endif
  59         }
  60 #else
  61 #if BR_64
  62         br_ssl_engine_set_aes_ctrcbc(cc, &br_aes_ct64_ctrcbc_vtable);
  63 #else
  64         br_ssl_engine_set_aes_ctrcbc(cc, &br_aes_ct_ctrcbc_vtable);
  65 #endif
  66 #endif
  67 }