| Index: net/quic/crypto/aead_base_decrypter_openssl.cc
|
| diff --git a/net/quic/crypto/aead_base_decrypter_openssl.cc b/net/quic/crypto/aead_base_decrypter_openssl.cc
|
| deleted file mode 100644
|
| index 23116408fa787dff2360bf2293ae0c62da29b150..0000000000000000000000000000000000000000
|
| --- a/net/quic/crypto/aead_base_decrypter_openssl.cc
|
| +++ /dev/null
|
| @@ -1,137 +0,0 @@
|
| -// 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/aead_base_decrypter.h"
|
| -
|
| -#include <openssl/err.h>
|
| -#include <openssl/evp.h>
|
| -
|
| -#include "base/memory/scoped_ptr.h"
|
| -
|
| -using base::StringPiece;
|
| -
|
| -namespace net {
|
| -
|
| -namespace {
|
| -
|
| -// Clear OpenSSL error stack.
|
| -void ClearOpenSslErrors() {
|
| - while (ERR_get_error()) {}
|
| -}
|
| -
|
| -// In debug builds only, log OpenSSL error stack. Then clear OpenSSL error
|
| -// stack.
|
| -void DLogOpenSslErrors() {
|
| -#ifdef NDEBUG
|
| - ClearOpenSslErrors();
|
| -#else
|
| - while (unsigned long error = ERR_get_error()) {
|
| - char buf[120];
|
| - ERR_error_string_n(error, buf, arraysize(buf));
|
| - DLOG(ERROR) << "OpenSSL error: " << buf;
|
| - }
|
| -#endif
|
| -}
|
| -
|
| -} // namespace
|
| -
|
| -AeadBaseDecrypter::AeadBaseDecrypter(const EVP_AEAD* aead_alg,
|
| - size_t key_size,
|
| - size_t auth_tag_size,
|
| - size_t nonce_prefix_size)
|
| - : aead_alg_(aead_alg),
|
| - key_size_(key_size),
|
| - auth_tag_size_(auth_tag_size),
|
| - nonce_prefix_size_(nonce_prefix_size) {
|
| - DCHECK_LE(key_size_, sizeof(key_));
|
| - DCHECK_LE(nonce_prefix_size_, sizeof(nonce_prefix_));
|
| -}
|
| -
|
| -AeadBaseDecrypter::~AeadBaseDecrypter() {}
|
| -
|
| -bool AeadBaseDecrypter::SetKey(StringPiece key) {
|
| - DCHECK_EQ(key.size(), key_size_);
|
| - if (key.size() != key_size_) {
|
| - return false;
|
| - }
|
| - memcpy(key_, key.data(), key.size());
|
| -
|
| - EVP_AEAD_CTX_cleanup(ctx_.get());
|
| - if (!EVP_AEAD_CTX_init(ctx_.get(), aead_alg_, key_, key_size_,
|
| - auth_tag_size_, nullptr)) {
|
| - DLogOpenSslErrors();
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool AeadBaseDecrypter::SetNoncePrefix(StringPiece nonce_prefix) {
|
| - DCHECK_EQ(nonce_prefix.size(), nonce_prefix_size_);
|
| - if (nonce_prefix.size() != nonce_prefix_size_) {
|
| - return false;
|
| - }
|
| - memcpy(nonce_prefix_, nonce_prefix.data(), nonce_prefix.size());
|
| - return true;
|
| -}
|
| -
|
| -bool AeadBaseDecrypter::Decrypt(StringPiece nonce,
|
| - const StringPiece& associated_data,
|
| - const StringPiece& ciphertext,
|
| - uint8* output,
|
| - size_t* output_length,
|
| - size_t max_output_length) {
|
| - if (ciphertext.length() < auth_tag_size_ ||
|
| - nonce.size() != nonce_prefix_size_ + sizeof(QuicPacketSequenceNumber)) {
|
| - return false;
|
| - }
|
| -
|
| - if (!EVP_AEAD_CTX_open(
|
| - ctx_.get(), output, output_length, max_output_length,
|
| - reinterpret_cast<const uint8_t*>(nonce.data()), nonce.size(),
|
| - reinterpret_cast<const uint8_t*>(ciphertext.data()),
|
| - ciphertext.size(),
|
| - reinterpret_cast<const uint8_t*>(associated_data.data()),
|
| - associated_data.size())) {
|
| - // Because QuicFramer does trial decryption, decryption errors are expected
|
| - // when encryption level changes. So we don't log decryption errors.
|
| - ClearOpenSslErrors();
|
| - return false;
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -bool AeadBaseDecrypter::DecryptPacket(QuicPacketSequenceNumber sequence_number,
|
| - const StringPiece& associated_data,
|
| - const StringPiece& ciphertext,
|
| - char* output,
|
| - size_t* output_length,
|
| - size_t max_output_length) {
|
| - if (ciphertext.length() < auth_tag_size_) {
|
| - return false;
|
| - }
|
| -
|
| - uint8 nonce[sizeof(nonce_prefix_) + sizeof(sequence_number)];
|
| - const size_t nonce_size = nonce_prefix_size_ + sizeof(sequence_number);
|
| - DCHECK_LE(nonce_size, sizeof(nonce));
|
| - memcpy(nonce, nonce_prefix_, nonce_prefix_size_);
|
| - memcpy(nonce + nonce_prefix_size_, &sequence_number, sizeof(sequence_number));
|
| - return Decrypt(StringPiece(reinterpret_cast<char*>(nonce), nonce_size),
|
| - associated_data, ciphertext, reinterpret_cast<uint8*>(output),
|
| - output_length, max_output_length);
|
| -}
|
| -
|
| -StringPiece AeadBaseDecrypter::GetKey() const {
|
| - return StringPiece(reinterpret_cast<const char*>(key_), key_size_);
|
| -}
|
| -
|
| -StringPiece AeadBaseDecrypter::GetNoncePrefix() const {
|
| - if (nonce_prefix_size_ == 0) {
|
| - return StringPiece();
|
| - }
|
| - return StringPiece(reinterpret_cast<const char*>(nonce_prefix_),
|
| - nonce_prefix_size_);
|
| -}
|
| -
|
| -} // namespace net
|
|
|