_ Git - BearSSL/blob - src/ssl/ssl_server_minf2c.c

   1 /*
   2  * Copyright (c) 2016 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_server_init_minf2c(br_ssl_server_context *cc,
  30         const br_x509_certificate *chain, size_t chain_len,
  31         const br_ec_private_key *sk)
  32 {
  33         static const uint16_t suites[] = {
  34                 BR_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
  35         };
  36
  37         /*
  38          * Reset server context and set supported versions to TLS-1.2 (only).
  39          */
  40         br_ssl_server_zero(cc);
  41         br_ssl_engine_set_versions(&cc->eng, BR_TLS12, BR_TLS12);
  42
  43         /*
  44          * Set suites and elliptic curve implementation (for ECDHE).
  45          */
  46         br_ssl_engine_set_suites(&cc->eng, suites,
  47                 (sizeof suites) / (sizeof suites[0]));
  48         br_ssl_engine_set_ec(&cc->eng, &br_ec_all_m15);
  49
  50         /*
  51          * Set the "server policy": handler for the certificate chain
  52          * and private key operations.
  53          */
  54         br_ssl_server_set_single_ec(cc, chain, chain_len, sk,
  55                 BR_KEYTYPE_SIGN, 0, &br_ec_all_m15, br_ecdsa_i31_sign_asn1);
  56
  57         /*
  58          * Set supported hash functions.
  59          */
  60         br_ssl_engine_set_hash(&cc->eng, br_sha256_ID, &br_sha256_vtable);
  61
  62         /*
  63          * Set the PRF implementations.
  64          */
  65         br_ssl_engine_set_prf_sha256(&cc->eng, &br_tls12_sha256_prf);
  66
  67         /*
  68          * Symmetric encryption.
  69          */
  70         br_ssl_engine_set_default_chapol(&cc->eng);
  71 }