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// Copyright 2017 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/mock_encrypter.h"
#include "net/third_party/quiche/src/quic/core/quic_data_writer.h"
#include "net/third_party/quiche/src/quic/core/quic_utils.h"
using quic::DiversificationNonce;
using quic::Perspective;
using quic::QuicPacketNumber;
namespace net {
namespace {
const size_t kPaddingSize = 12;
} // namespace
MockEncrypter::MockEncrypter(Perspective perspective) {}
bool MockEncrypter::SetKey(absl::string_view key) {
return key.empty();
}
bool MockEncrypter::SetNoncePrefix(absl::string_view nonce_prefix) {
return nonce_prefix.empty();
}
bool MockEncrypter::SetIV(absl::string_view iv) {
return iv.empty();
}
bool MockEncrypter::EncryptPacket(uint64_t /*packet_number*/,
absl::string_view associated_data,
absl::string_view plaintext,
char* output,
size_t* output_length,
size_t max_output_length) {
size_t ciphertext_size = plaintext.size() + kPaddingSize;
if (max_output_length < ciphertext_size) {
return false;
}
memcpy(output, plaintext.data(), ciphertext_size);
*output_length = ciphertext_size;
return true;
}
bool MockEncrypter::SetHeaderProtectionKey(absl::string_view key) {
return key.empty();
}
std::string MockEncrypter::GenerateHeaderProtectionMask(
absl::string_view sample) {
return std::string(5, 0);
}
size_t MockEncrypter::GetKeySize() const {
return 0;
}
size_t MockEncrypter::GetNoncePrefixSize() const {
return 0;
}
size_t MockEncrypter::GetIVSize() const {
return 0;
}
size_t MockEncrypter::GetMaxPlaintextSize(size_t ciphertext_size) const {
return ciphertext_size - kPaddingSize;
}
size_t MockEncrypter::GetCiphertextSize(size_t plaintext_size) const {
return plaintext_size + kPaddingSize;
}
quic::QuicPacketCount MockEncrypter::GetConfidentialityLimit() const {
return std::numeric_limits<quic::QuicPacketCount>::max();
}
absl::string_view MockEncrypter::GetKey() const {
return absl::string_view();
}
absl::string_view MockEncrypter::GetNoncePrefix() const {
return absl::string_view();
}
} // namespace net
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