1 // Copyright 2022 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifdef UNSAFE_BUFFERS_BUILD
6 // TODO(crbug.com/40284755): Remove this and spanify to fix the errors.
7 #pragma allow_unsafe_buffers
8 #endif
9
10 #include "net/test/ssl_test_util.h"
11
12 #include <string>
13 #include <string_view>
14
15 #include "third_party/boringssl/src/include/openssl/hpke.h"
16
17 namespace net {
18
MakeTestEchKeys(std::string_view public_name,size_t max_name_len,std::vector<uint8_t> * ech_config_list)19 bssl::UniquePtr<SSL_ECH_KEYS> MakeTestEchKeys(
20 std::string_view public_name,
21 size_t max_name_len,
22 std::vector<uint8_t>* ech_config_list) {
23 bssl::ScopedEVP_HPKE_KEY key;
24 if (!EVP_HPKE_KEY_generate(key.get(), EVP_hpke_x25519_hkdf_sha256())) {
25 return nullptr;
26 }
27
28 uint8_t* ech_config;
29 size_t ech_config_len;
30 if (!SSL_marshal_ech_config(&ech_config, &ech_config_len,
31 /*config_id=*/1, key.get(),
32 std::string(public_name).c_str(), max_name_len)) {
33 return nullptr;
34 }
35 bssl::UniquePtr<uint8_t> scoped_ech_config(ech_config);
36
37 uint8_t* ech_config_list_raw;
38 size_t ech_config_list_len;
39 bssl::UniquePtr<SSL_ECH_KEYS> keys(SSL_ECH_KEYS_new());
40 if (!keys ||
41 !SSL_ECH_KEYS_add(keys.get(), /*is_retry_config=*/1, ech_config,
42 ech_config_len, key.get()) ||
43 !SSL_ECH_KEYS_marshal_retry_configs(keys.get(), &ech_config_list_raw,
44 &ech_config_list_len)) {
45 return nullptr;
46 }
47 bssl::UniquePtr<uint8_t> scoped_ech_config_list(ech_config_list_raw);
48
49 ech_config_list->assign(ech_config_list_raw,
50 ech_config_list_raw + ech_config_list_len);
51 return keys;
52 }
53
54 } // namespace net
55