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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "net/quic/crypto/null_decrypter.h" | |
6 #include "net/quic/quic_utils.h" | |
7 #include "net/quic/quic_data_reader.h" | |
8 | |
9 using base::StringPiece; | |
10 using std::string; | |
11 | |
12 namespace net { | |
13 | |
14 QuicData* NullDecrypter::Decrypt(StringPiece associated_data, | |
15 StringPiece ciphertext) { | |
16 LOG(INFO) << "here!"; | |
jar (doing other things)
2012/10/14 23:04:38
nit: Do we want DLOG?
Ryan Hamilton
2012/10/15 21:22:08
Left over from some troubleshooting I'm doing. Wi
| |
17 QuicDataReader reader(ciphertext.data(), ciphertext.length()); | |
18 | |
19 uint128 hash; | |
20 if (!reader.ReadUInt128(&hash)) { | |
21 return NULL; | |
22 } | |
23 LOG(INFO) << "here!"; | |
24 | |
25 StringPiece plaintext = reader.ReadRemainingPayload(); | |
26 | |
27 // TODO(rch): avoid buffer copy here | |
28 string buffer = associated_data.as_string(); | |
29 plaintext.AppendToString(&buffer); | |
30 | |
31 LOG(INFO) << "here!"; | |
32 if (hash != QuicUtils::FNV1a_128_Hash(buffer.data(), buffer.length())) { | |
33 return NULL; | |
34 } | |
35 LOG(INFO) << "here!"; | |
36 return new QuicData(plaintext.data(), plaintext.length()); | |
37 } | |
38 | |
39 } // namespace net | |
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