diff options
Diffstat (limited to 'third_party/bearssl/src/ssl_engine_default_aesgcm.c')
| -rw-r--r-- | third_party/bearssl/src/ssl_engine_default_aesgcm.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/third_party/bearssl/src/ssl_engine_default_aesgcm.c b/third_party/bearssl/src/ssl_engine_default_aesgcm.c new file mode 100644 index 0000000..c44a707 --- /dev/null +++ b/third_party/bearssl/src/ssl_engine_default_aesgcm.c @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2017 Thomas Pornin <[email protected]> + * + * 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 +} |