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Unified Diff: net/quic/crypto/null_decrypter.cc

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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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
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