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

   1 /*
   2  * Copyright (c) 2017 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_chapol(br_ssl_engine_context *cc)
  30 {
  31 #if BR_INT128 || BR_UMUL128
  32         br_poly1305_run bp;
  33 #endif
  34 #if BR_SSE2
  35         br_chacha20_run bc;
  36 #endif
  37
  38         br_ssl_engine_set_chapol(cc,
  39                 &br_sslrec_in_chapol_vtable,
  40                 &br_sslrec_out_chapol_vtable);
  41 #if BR_SSE2
  42         bc = br_chacha20_sse2_get();
  43         if (bc) {
  44                 br_ssl_engine_set_chacha20(cc, bc);
  45         } else {
  46 #endif
  47                 br_ssl_engine_set_chacha20(cc, &br_chacha20_ct_run);
  48 #if BR_SSE2
  49         }
  50 #endif
  51 #if BR_INT128 || BR_UMUL128
  52         bp = br_poly1305_ctmulq_get();
  53         if (bp) {
  54                 br_ssl_engine_set_poly1305(cc, bp);
  55         } else {
  56 #endif
  57 #if BR_LOMUL
  58                 br_ssl_engine_set_poly1305(cc, &br_poly1305_ctmul32_run);
  59 #else
  60                 br_ssl_engine_set_poly1305(cc, &br_poly1305_ctmul_run);
  61 #endif
  62 #if BR_INT128 || BR_UMUL128
  63         }
  64 #endif
  65 }