| Index: net/quic/crypto/aead_base_decrypter_nss.cc
|
| diff --git a/net/quic/crypto/aead_base_decrypter_nss.cc b/net/quic/crypto/aead_base_decrypter_nss.cc
|
| deleted file mode 100644
|
| index 47878609c0956e29be69da90f84b69c096819cad..0000000000000000000000000000000000000000
|
| --- a/net/quic/crypto/aead_base_decrypter_nss.cc
|
| +++ /dev/null
|
| @@ -1,135 +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 <pk11pub.h>
|
| -
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "crypto/scoped_nss_types.h"
|
| -#include "net/quic/quic_flags.h"
|
| -#include "net/quic/quic_utils.h"
|
| -
|
| -using base::StringPiece;
|
| -
|
| -namespace net {
|
| -
|
| -AeadBaseDecrypter::AeadBaseDecrypter(CK_MECHANISM_TYPE aead_mechanism,
|
| - size_t key_size,
|
| - size_t auth_tag_size,
|
| - size_t nonce_prefix_size)
|
| - : aead_mechanism_(aead_mechanism),
|
| - 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());
|
| - 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::DecryptPacket(QuicPathId path_id,
|
| - QuicPacketNumber packet_number,
|
| - StringPiece associated_data,
|
| - StringPiece ciphertext,
|
| - char* output,
|
| - size_t* output_length,
|
| - size_t max_output_length) {
|
| - if (ciphertext.length() < auth_tag_size_) {
|
| - return false;
|
| - }
|
| -
|
| - uint8_t nonce[sizeof(nonce_prefix_) + sizeof(packet_number)];
|
| - const size_t nonce_size = nonce_prefix_size_ + sizeof(packet_number);
|
| - DCHECK_LE(nonce_size, sizeof(nonce));
|
| - memcpy(nonce, nonce_prefix_, nonce_prefix_size_);
|
| - uint64_t path_id_packet_number =
|
| - QuicUtils::PackPathIdAndPacketNumber(path_id, packet_number);
|
| - memcpy(nonce + nonce_prefix_size_, &path_id_packet_number,
|
| - sizeof(path_id_packet_number));
|
| -
|
| - // NSS 3.14.x incorrectly requires an output buffer at least as long as
|
| - // the ciphertext (NSS bug
|
| - // https://bugzilla.mozilla.org/show_bug.cgi?id= 853674). Fortunately
|
| - // QuicDecrypter::Decrypt() specifies that |output| must be as long as
|
| - // |ciphertext| on entry.
|
| - size_t plaintext_size = ciphertext.length() - auth_tag_size_;
|
| -
|
| - // Import key_ into NSS.
|
| - SECItem key_item;
|
| - key_item.type = siBuffer;
|
| - key_item.data = key_;
|
| - key_item.len = key_size_;
|
| - PK11SlotInfo* slot = PK11_GetInternalSlot();
|
| -
|
| - // The exact value of the |origin| argument doesn't matter to NSS as long as
|
| - // it's not PK11_OriginFortezzaHack, so pass PK11_OriginUnwrap as a
|
| - // placeholder.
|
| - crypto::ScopedPK11SymKey aead_key(
|
| - PK11_ImportSymKey(slot, aead_mechanism_, PK11_OriginUnwrap, CKA_DECRYPT,
|
| - &key_item, nullptr));
|
| - PK11_FreeSlot(slot);
|
| - slot = nullptr;
|
| - if (!aead_key) {
|
| - DVLOG(1) << "PK11_ImportSymKey failed";
|
| - return false;
|
| - }
|
| -
|
| - AeadParams aead_params = {0};
|
| - FillAeadParams(StringPiece(reinterpret_cast<char*>(nonce), nonce_size),
|
| - associated_data, auth_tag_size_, &aead_params);
|
| -
|
| - SECItem param;
|
| - param.type = siBuffer;
|
| - param.data = reinterpret_cast<unsigned char*>(&aead_params.data);
|
| - param.len = aead_params.len;
|
| -
|
| - unsigned int output_len;
|
| - if (PK11_Decrypt(aead_key.get(), aead_mechanism_, ¶m,
|
| - reinterpret_cast<uint8_t*>(output), &output_len,
|
| - max_output_length,
|
| - reinterpret_cast<const unsigned char*>(ciphertext.data()),
|
| - ciphertext.length()) != SECSuccess) {
|
| - return false;
|
| - }
|
| -
|
| - if (output_len != plaintext_size) {
|
| - DVLOG(1) << "Wrong output length";
|
| - return false;
|
| - }
|
| - *output_length = output_len;
|
| - return true;
|
| -}
|
| -
|
| -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
|
|
|