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 }
66