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/*
* Copyright (c) 2017 Thomas Pornin <pornin@bolet.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "inner.h"
/* see bearssl_ssl.h */
void
br_ssl_engine_set_default_aes_gcm(br_ssl_engine_context *cc)
{
#if BR_AES_X86NI || BR_POWER8
const br_block_ctr_class *ictr;
br_ghash ighash;
#endif
br_ssl_engine_set_gcm(cc,
&br_sslrec_in_gcm_vtable,
&br_sslrec_out_gcm_vtable);
#if BR_AES_X86NI
ictr = br_aes_x86ni_ctr_get_vtable();
if (ictr != NULL) {
br_ssl_engine_set_aes_ctr(cc, ictr);
} else {
#if BR_64
br_ssl_engine_set_aes_ctr(cc, &br_aes_ct64_ctr_vtable);
#else
br_ssl_engine_set_aes_ctr(cc, &br_aes_ct_ctr_vtable);
#endif
}
#elif BR_POWER8
ictr = br_aes_pwr8_ctr_get_vtable();
if (ictr != NULL) {
br_ssl_engine_set_aes_ctr(cc, ictr);
} else {
#if BR_64
br_ssl_engine_set_aes_ctr(cc, &br_aes_ct64_ctr_vtable);
#else
br_ssl_engine_set_aes_ctr(cc, &br_aes_ct_ctr_vtable);
#endif
}
#else
#if BR_64
br_ssl_engine_set_aes_ctr(cc, &br_aes_ct64_ctr_vtable);
#else
br_ssl_engine_set_aes_ctr(cc, &br_aes_ct_ctr_vtable);
#endif
#endif
#if BR_AES_X86NI
ighash = br_ghash_pclmul_get();
if (ighash != 0) {
br_ssl_engine_set_ghash(cc, ighash);
return;
}
#endif
#if BR_POWER8
ighash = br_ghash_pwr8_get();
if (ighash != 0) {
br_ssl_engine_set_ghash(cc, ighash);
return;
}
#endif
#if BR_LOMUL
br_ssl_engine_set_ghash(cc, &br_ghash_ctmul32);
#elif BR_64
br_ssl_engine_set_ghash(cc, &br_ghash_ctmul64);
#else
br_ssl_engine_set_ghash(cc, &br_ghash_ctmul);
#endif
}
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