1*0957b409SSimon J. Gerraty /*
2*0957b409SSimon J. Gerraty * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3*0957b409SSimon J. Gerraty *
4*0957b409SSimon J. Gerraty * Permission is hereby granted, free of charge, to any person obtaining
5*0957b409SSimon J. Gerraty * a copy of this software and associated documentation files (the
6*0957b409SSimon J. Gerraty * "Software"), to deal in the Software without restriction, including
7*0957b409SSimon J. Gerraty * without limitation the rights to use, copy, modify, merge, publish,
8*0957b409SSimon J. Gerraty * distribute, sublicense, and/or sell copies of the Software, and to
9*0957b409SSimon J. Gerraty * permit persons to whom the Software is furnished to do so, subject to
10*0957b409SSimon J. Gerraty * the following conditions:
11*0957b409SSimon J. Gerraty *
12*0957b409SSimon J. Gerraty * The above copyright notice and this permission notice shall be
13*0957b409SSimon J. Gerraty * included in all copies or substantial portions of the Software.
14*0957b409SSimon J. Gerraty *
15*0957b409SSimon J. Gerraty * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16*0957b409SSimon J. Gerraty * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17*0957b409SSimon J. Gerraty * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18*0957b409SSimon J. Gerraty * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19*0957b409SSimon J. Gerraty * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20*0957b409SSimon J. Gerraty * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21*0957b409SSimon J. Gerraty * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22*0957b409SSimon J. Gerraty * SOFTWARE.
23*0957b409SSimon J. Gerraty */
24*0957b409SSimon J. Gerraty
25*0957b409SSimon J. Gerraty #include "inner.h"
26*0957b409SSimon J. Gerraty
27*0957b409SSimon J. Gerraty /* see bearssl_ssl.h */
28*0957b409SSimon J. Gerraty void
br_ssl_server_init_full_rsa(br_ssl_server_context * cc,const br_x509_certificate * chain,size_t chain_len,const br_rsa_private_key * sk)29*0957b409SSimon J. Gerraty br_ssl_server_init_full_rsa(br_ssl_server_context *cc,
30*0957b409SSimon J. Gerraty const br_x509_certificate *chain, size_t chain_len,
31*0957b409SSimon J. Gerraty const br_rsa_private_key *sk)
32*0957b409SSimon J. Gerraty {
33*0957b409SSimon J. Gerraty /*
34*0957b409SSimon J. Gerraty * The "full" profile supports all implemented cipher suites.
35*0957b409SSimon J. Gerraty *
36*0957b409SSimon J. Gerraty * Rationale for suite order, from most important to least
37*0957b409SSimon J. Gerraty * important rule:
38*0957b409SSimon J. Gerraty *
39*0957b409SSimon J. Gerraty * -- Don't use 3DES if AES is available.
40*0957b409SSimon J. Gerraty * -- Try to have Forward Secrecy (ECDHE suite) if possible.
41*0957b409SSimon J. Gerraty * -- ChaCha20+Poly1305 is better than AES/GCM (faster, smaller).
42*0957b409SSimon J. Gerraty * -- GCM is better than CBC.
43*0957b409SSimon J. Gerraty * -- AES-128 is preferred over AES-256 (AES-128 is already
44*0957b409SSimon J. Gerraty * strong enough, and AES-256 is 40% more expensive).
45*0957b409SSimon J. Gerraty */
46*0957b409SSimon J. Gerraty static const uint16_t suites[] = {
47*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
48*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
49*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
50*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
51*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
52*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
53*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
54*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_128_GCM_SHA256,
55*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_256_GCM_SHA384,
56*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_128_CCM,
57*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_256_CCM,
58*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_128_CCM_8,
59*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_256_CCM_8,
60*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_128_CBC_SHA256,
61*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_256_CBC_SHA256,
62*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_128_CBC_SHA,
63*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_AES_256_CBC_SHA,
64*0957b409SSimon J. Gerraty BR_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
65*0957b409SSimon J. Gerraty BR_TLS_RSA_WITH_3DES_EDE_CBC_SHA
66*0957b409SSimon J. Gerraty };
67*0957b409SSimon J. Gerraty
68*0957b409SSimon J. Gerraty /*
69*0957b409SSimon J. Gerraty * All hash functions are activated.
70*0957b409SSimon J. Gerraty * Note: the X.509 validation engine will nonetheless refuse to
71*0957b409SSimon J. Gerraty * validate signatures that use MD5 as hash function.
72*0957b409SSimon J. Gerraty */
73*0957b409SSimon J. Gerraty static const br_hash_class *hashes[] = {
74*0957b409SSimon J. Gerraty &br_md5_vtable,
75*0957b409SSimon J. Gerraty &br_sha1_vtable,
76*0957b409SSimon J. Gerraty &br_sha224_vtable,
77*0957b409SSimon J. Gerraty &br_sha256_vtable,
78*0957b409SSimon J. Gerraty &br_sha384_vtable,
79*0957b409SSimon J. Gerraty &br_sha512_vtable
80*0957b409SSimon J. Gerraty };
81*0957b409SSimon J. Gerraty
82*0957b409SSimon J. Gerraty int id;
83*0957b409SSimon J. Gerraty
84*0957b409SSimon J. Gerraty /*
85*0957b409SSimon J. Gerraty * Reset server context and set supported versions from TLS-1.0
86*0957b409SSimon J. Gerraty * to TLS-1.2 (inclusive).
87*0957b409SSimon J. Gerraty */
88*0957b409SSimon J. Gerraty br_ssl_server_zero(cc);
89*0957b409SSimon J. Gerraty br_ssl_engine_set_versions(&cc->eng, BR_TLS10, BR_TLS12);
90*0957b409SSimon J. Gerraty
91*0957b409SSimon J. Gerraty /*
92*0957b409SSimon J. Gerraty * Set suites and elliptic curve implementation (for ECDHE).
93*0957b409SSimon J. Gerraty */
94*0957b409SSimon J. Gerraty br_ssl_engine_set_suites(&cc->eng, suites,
95*0957b409SSimon J. Gerraty (sizeof suites) / (sizeof suites[0]));
96*0957b409SSimon J. Gerraty br_ssl_engine_set_default_ec(&cc->eng);
97*0957b409SSimon J. Gerraty
98*0957b409SSimon J. Gerraty /*
99*0957b409SSimon J. Gerraty * Set the "server policy": handler for the certificate chain
100*0957b409SSimon J. Gerraty * and private key operations.
101*0957b409SSimon J. Gerraty */
102*0957b409SSimon J. Gerraty br_ssl_server_set_single_rsa(cc, chain, chain_len, sk,
103*0957b409SSimon J. Gerraty BR_KEYTYPE_KEYX | BR_KEYTYPE_SIGN,
104*0957b409SSimon J. Gerraty br_rsa_private_get_default(),
105*0957b409SSimon J. Gerraty br_rsa_pkcs1_sign_get_default());
106*0957b409SSimon J. Gerraty
107*0957b409SSimon J. Gerraty /*
108*0957b409SSimon J. Gerraty * Set supported hash functions.
109*0957b409SSimon J. Gerraty */
110*0957b409SSimon J. Gerraty for (id = br_md5_ID; id <= br_sha512_ID; id ++) {
111*0957b409SSimon J. Gerraty const br_hash_class *hc;
112*0957b409SSimon J. Gerraty
113*0957b409SSimon J. Gerraty hc = hashes[id - 1];
114*0957b409SSimon J. Gerraty br_ssl_engine_set_hash(&cc->eng, id, hc);
115*0957b409SSimon J. Gerraty }
116*0957b409SSimon J. Gerraty
117*0957b409SSimon J. Gerraty /*
118*0957b409SSimon J. Gerraty * Set the PRF implementations.
119*0957b409SSimon J. Gerraty */
120*0957b409SSimon J. Gerraty br_ssl_engine_set_prf10(&cc->eng, &br_tls10_prf);
121*0957b409SSimon J. Gerraty br_ssl_engine_set_prf_sha256(&cc->eng, &br_tls12_sha256_prf);
122*0957b409SSimon J. Gerraty br_ssl_engine_set_prf_sha384(&cc->eng, &br_tls12_sha384_prf);
123*0957b409SSimon J. Gerraty
124*0957b409SSimon J. Gerraty /*
125*0957b409SSimon J. Gerraty * Symmetric encryption.
126*0957b409SSimon J. Gerraty */
127*0957b409SSimon J. Gerraty br_ssl_engine_set_default_aes_cbc(&cc->eng);
128*0957b409SSimon J. Gerraty br_ssl_engine_set_default_aes_ccm(&cc->eng);
129*0957b409SSimon J. Gerraty br_ssl_engine_set_default_aes_gcm(&cc->eng);
130*0957b409SSimon J. Gerraty br_ssl_engine_set_default_des_cbc(&cc->eng);
131*0957b409SSimon J. Gerraty br_ssl_engine_set_default_chapol(&cc->eng);
132*0957b409SSimon J. Gerraty }
133