File Coverage

src/ssl/ssl_engine_default_aesgcm.c
Criterion Covered Total %
statement 9 11 81.8
branch 2 4 50.0
condition n/a
subroutine n/a
pod n/a
total 11 15 73.3


line stmt bran cond sub pod time code
1             /*
2             * Copyright (c) 2017 Thomas Pornin
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 2           br_ssl_engine_set_default_aes_gcm(br_ssl_engine_context *cc)
30             {
31             #if BR_AES_X86NI || BR_POWER8
32             const br_block_ctr_class *ictr;
33             br_ghash ighash;
34             #endif
35              
36 2           br_ssl_engine_set_gcm(cc,
37             &br_sslrec_in_gcm_vtable,
38             &br_sslrec_out_gcm_vtable);
39             #if BR_AES_X86NI
40 2           ictr = br_aes_x86ni_ctr_get_vtable();
41 2 50         if (ictr != NULL) {
42 2           br_ssl_engine_set_aes_ctr(cc, ictr);
43             } else {
44             #if BR_64
45 0           br_ssl_engine_set_aes_ctr(cc, &br_aes_ct64_ctr_vtable);
46             #else
47             br_ssl_engine_set_aes_ctr(cc, &br_aes_ct_ctr_vtable);
48             #endif
49             }
50             #elif BR_POWER8
51             ictr = br_aes_pwr8_ctr_get_vtable();
52             if (ictr != NULL) {
53             br_ssl_engine_set_aes_ctr(cc, ictr);
54             } else {
55             #if BR_64
56             br_ssl_engine_set_aes_ctr(cc, &br_aes_ct64_ctr_vtable);
57             #else
58             br_ssl_engine_set_aes_ctr(cc, &br_aes_ct_ctr_vtable);
59             #endif
60             }
61             #else
62             #if BR_64
63             br_ssl_engine_set_aes_ctr(cc, &br_aes_ct64_ctr_vtable);
64             #else
65             br_ssl_engine_set_aes_ctr(cc, &br_aes_ct_ctr_vtable);
66             #endif
67             #endif
68             #if BR_AES_X86NI
69 2           ighash = br_ghash_pclmul_get();
70 2 50         if (ighash != 0) {
71 2           br_ssl_engine_set_ghash(cc, ighash);
72 2           return;
73             }
74             #endif
75             #if BR_POWER8
76             ighash = br_ghash_pwr8_get();
77             if (ighash != 0) {
78             br_ssl_engine_set_ghash(cc, ighash);
79             return;
80             }
81             #endif
82             #if BR_LOMUL
83             br_ssl_engine_set_ghash(cc, &br_ghash_ctmul32);
84             #elif BR_64
85 0           br_ssl_engine_set_ghash(cc, &br_ghash_ctmul64);
86             #else
87             br_ssl_engine_set_ghash(cc, &br_ghash_ctmul);
88             #endif
89             }