New "i62" code for big integers with 64x64->128 opcodes; also improved "i31" modular...
[BearSSL] / 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 }