Index: net/quic/crypto/null_decrypter.cc |
diff --git a/net/quic/crypto/null_decrypter.cc b/net/quic/crypto/null_decrypter.cc |
deleted file mode 100644 |
index 8a18172a5c299ded7443f1cbfae583fe8fbd18e2..0000000000000000000000000000000000000000 |
--- a/net/quic/crypto/null_decrypter.cc |
+++ /dev/null |
@@ -1,76 +0,0 @@ |
-// Copyright (c) 2012 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/null_decrypter.h" |
-#include "net/quic/quic_utils.h" |
-#include "net/quic/quic_data_reader.h" |
- |
-using base::StringPiece; |
-using std::string; |
- |
-namespace net { |
- |
-NullDecrypter::NullDecrypter() {} |
- |
-bool NullDecrypter::SetKey(StringPiece key) { return key.empty(); } |
- |
-bool NullDecrypter::SetNoncePrefix(StringPiece nonce_prefix) { |
- return nonce_prefix.empty(); |
-} |
- |
-bool NullDecrypter::DecryptPacket(QuicPacketSequenceNumber /*seq_number*/, |
- const StringPiece& associated_data, |
- const StringPiece& ciphertext, |
- char* output, |
- size_t* output_length, |
- size_t max_output_length) { |
- QuicDataReader reader(ciphertext.data(), ciphertext.length()); |
- uint128 hash; |
- |
- if (!ReadHash(&reader, &hash)) { |
- return false; |
- } |
- |
- StringPiece plaintext = reader.ReadRemainingPayload(); |
- if (plaintext.length() > max_output_length) { |
- LOG(DFATAL) << "Output buffer must be larger than the plaintext."; |
- return false; |
- } |
- if (hash != ComputeHash(associated_data, plaintext)) { |
- return false; |
- } |
- // Copy the plaintext to output. |
- memcpy(output, plaintext.data(), plaintext.length()); |
- *output_length = plaintext.length(); |
- return true; |
-} |
- |
-StringPiece NullDecrypter::GetKey() const { return StringPiece(); } |
- |
-StringPiece NullDecrypter::GetNoncePrefix() const { return StringPiece(); } |
- |
-bool NullDecrypter::ReadHash(QuicDataReader* reader, uint128* hash) { |
- uint64 lo; |
- uint32 hi; |
- if (!reader->ReadUInt64(&lo) || |
- !reader->ReadUInt32(&hi)) { |
- return false; |
- } |
- *hash = hi; |
- *hash <<= 64; |
- *hash += lo; |
- return true; |
-} |
- |
-uint128 NullDecrypter::ComputeHash(const StringPiece& data1, |
- const StringPiece& data2) const { |
- uint128 correct_hash = QuicUtils::FNV1a_128_Hash_Two( |
- data1.data(), data1.length(), data2.data(), data2.length()); |
- uint128 mask(GG_UINT64_C(0x0), GG_UINT64_C(0xffffffff)); |
- mask <<= 96; |
- correct_hash &= ~mask; |
- return correct_hash; |
-} |
- |
-} // namespace net |