| Index: net/quic/crypto/aead_base_encrypter_openssl.cc
|
| diff --git a/net/quic/crypto/aead_base_encrypter_openssl.cc b/net/quic/crypto/aead_base_encrypter_openssl.cc
|
| deleted file mode 100644
|
| index be4b1e8d9d4e7065f51ba9fc6f767dadf48ef36f..0000000000000000000000000000000000000000
|
| --- a/net/quic/crypto/aead_base_encrypter_openssl.cc
|
| +++ /dev/null
|
| @@ -1,149 +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_encrypter.h"
|
| -
|
| -#include <openssl/err.h>
|
| -#include <openssl/evp.h>
|
| -#include <string.h>
|
| -
|
| -#include "base/memory/scoped_ptr.h"
|
| -
|
| -using base::StringPiece;
|
| -
|
| -namespace net {
|
| -
|
| -namespace {
|
| -
|
| -// In debug builds only, log OpenSSL error stack. Then clear OpenSSL error
|
| -// stack.
|
| -void DLogOpenSslErrors() {
|
| -#ifdef NDEBUG
|
| - while (ERR_get_error()) {}
|
| -#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
|
| -
|
| -AeadBaseEncrypter::AeadBaseEncrypter(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_));
|
| -}
|
| -
|
| -AeadBaseEncrypter::~AeadBaseEncrypter() {}
|
| -
|
| -bool AeadBaseEncrypter::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 AeadBaseEncrypter::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 AeadBaseEncrypter::Encrypt(StringPiece nonce,
|
| - StringPiece associated_data,
|
| - StringPiece plaintext,
|
| - unsigned char* output) {
|
| - if (nonce.size() != nonce_prefix_size_ + sizeof(QuicPacketSequenceNumber)) {
|
| - return false;
|
| - }
|
| -
|
| - size_t ciphertext_len;
|
| - if (!EVP_AEAD_CTX_seal(
|
| - ctx_.get(), output, &ciphertext_len,
|
| - plaintext.size() + auth_tag_size_,
|
| - reinterpret_cast<const uint8_t*>(nonce.data()), nonce.size(),
|
| - reinterpret_cast<const uint8_t*>(plaintext.data()), plaintext.size(),
|
| - reinterpret_cast<const uint8_t*>(associated_data.data()),
|
| - associated_data.size())) {
|
| - DLogOpenSslErrors();
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool AeadBaseEncrypter::EncryptPacket(QuicPacketSequenceNumber sequence_number,
|
| - StringPiece associated_data,
|
| - StringPiece plaintext,
|
| - char* output,
|
| - size_t* output_length,
|
| - size_t max_output_length) {
|
| - size_t ciphertext_size = GetCiphertextSize(plaintext.length());
|
| - if (max_output_length < ciphertext_size) {
|
| - return false;
|
| - }
|
| - // TODO(ianswett): Introduce a check to ensure that we don't encrypt with the
|
| - // same sequence number twice.
|
| - const size_t nonce_size = nonce_prefix_size_ + sizeof(sequence_number);
|
| - memcpy(output, nonce_prefix_, nonce_prefix_size_);
|
| - memcpy(output + nonce_prefix_size_, &sequence_number,
|
| - sizeof(sequence_number));
|
| - if (!Encrypt(StringPiece(output, nonce_size), associated_data, plaintext,
|
| - reinterpret_cast<unsigned char*>(output))) {
|
| - return false;
|
| - }
|
| - *output_length = ciphertext_size;
|
| - return true;
|
| -}
|
| -
|
| -size_t AeadBaseEncrypter::GetKeySize() const { return key_size_; }
|
| -
|
| -size_t AeadBaseEncrypter::GetNoncePrefixSize() const {
|
| - return nonce_prefix_size_;
|
| -}
|
| -
|
| -size_t AeadBaseEncrypter::GetMaxPlaintextSize(size_t ciphertext_size) const {
|
| - return ciphertext_size - auth_tag_size_;
|
| -}
|
| -
|
| -size_t AeadBaseEncrypter::GetCiphertextSize(size_t plaintext_size) const {
|
| - return plaintext_size + auth_tag_size_;
|
| -}
|
| -
|
| -StringPiece AeadBaseEncrypter::GetKey() const {
|
| - return StringPiece(reinterpret_cast<const char*>(key_), key_size_);
|
| -}
|
| -
|
| -StringPiece AeadBaseEncrypter::GetNoncePrefix() const {
|
| - if (nonce_prefix_size_ == 0) {
|
| - return StringPiece();
|
| - }
|
| - return StringPiece(reinterpret_cast<const char*>(nonce_prefix_),
|
| - nonce_prefix_size_);
|
| -}
|
| -
|
| -} // namespace net
|
|
|