blob: e0d500aa86ea1d522bb81aa7c50ba5e98c0f1707 (
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
33
34
35
36
37
38
39
40
41
42
|
// Copyright (c) 2013 The Chromium 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 "net/quic/crypto/aes_128_gcm_12_decrypter.h"
#include <openssl/evp.h>
#include <openssl/tls1.h>
namespace net {
namespace {
const size_t kKeySize = 16;
const size_t kNoncePrefixSize = 4;
} // namespace
Aes128Gcm12Decrypter::Aes128Gcm12Decrypter()
: AeadBaseDecrypter(EVP_aead_aes_128_gcm(),
kKeySize,
kAuthTagSize,
kNoncePrefixSize) {
static_assert(kKeySize <= kMaxKeySize, "key size too big");
static_assert(kNoncePrefixSize <= kMaxNoncePrefixSize,
"nonce prefix size too big");
}
Aes128Gcm12Decrypter::~Aes128Gcm12Decrypter() {}
const char* Aes128Gcm12Decrypter::cipher_name() const {
return TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256;
}
uint32_t Aes128Gcm12Decrypter::cipher_id() const {
// This OpenSSL macro has the value 0x0300C02F. The two most significant bytes
// 0x0300 are OpenSSL specific and are NOT part of the TLS CipherSuite value
// for TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256.
return TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256;
}
} // namespace net
|
