blob: f38fd1a69e9feb734d40c98e90c0017101c9a836 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Copyright 2015 The Weave Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/privet/openssl_utils.h"
#include <algorithm>
#include <base/logging.h>
extern "C" {
#include "third_party/libuweave/src/crypto_hmac.h"
}
namespace weave {
namespace privet {
std::vector<uint8_t> HmacSha256(const std::vector<uint8_t>& key,
const std::vector<uint8_t>& data) {
std::vector<uint8_t> mac(kSha256OutputSize);
uint8_t hmac_state[uw_crypto_hmac_required_buffer_size_()];
CHECK(uw_crypto_hmac_init_(hmac_state, sizeof(hmac_state), key.data(),
key.size()));
CHECK(uw_crypto_hmac_update_(hmac_state, sizeof(hmac_state), data.data(),
data.size()));
CHECK(uw_crypto_hmac_final_(hmac_state, sizeof(hmac_state), mac.data(),
mac.size()));
return mac;
}
} // namespace privet
} // namespace weave
|
