| /** @file |
| * |
| * QUIC Packet Protection Key Info |
| * |
| * @section license License |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "QUICPacketProtectionKeyInfo.h" |
| |
| void |
| QUICPacketProtectionKeyInfo::set_context(Context ctx) |
| { |
| this->_ctx = ctx; |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::drop_keys(QUICKeyPhase phase) |
| { |
| int index = static_cast<int>(phase); |
| |
| this->_is_client_key_available[index] = false; |
| this->_is_server_key_available[index] = false; |
| |
| memset(this->_client_key[index], 0x00, sizeof(this->_client_key[index])); |
| memset(this->_server_key[index], 0x00, sizeof(this->_server_key[index])); |
| |
| memset(this->_client_iv[index], 0x00, sizeof(this->_client_iv[index])); |
| memset(this->_server_iv[index], 0x00, sizeof(this->_server_iv[index])); |
| |
| this->_client_iv_len[index] = 0; |
| this->_server_iv_len[index] = 0; |
| |
| memset(this->_client_key_for_hp[index], 0x00, sizeof(this->_client_key_for_hp[index])); |
| memset(this->_server_key_for_hp[index], 0x00, sizeof(this->_server_key_for_hp[index])); |
| } |
| |
| const EVP_CIPHER * |
| QUICPacketProtectionKeyInfo::get_cipher(QUICKeyPhase phase) const |
| { |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| return this->_cipher_initial; |
| default: |
| return this->_cipher; |
| } |
| } |
| |
| size_t |
| QUICPacketProtectionKeyInfo::get_tag_len(QUICKeyPhase phase) const |
| { |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| return EVP_GCM_TLS_TAG_LEN; |
| default: |
| return this->_tag_len; |
| } |
| } |
| |
| bool |
| QUICPacketProtectionKeyInfo::is_encryption_key_available(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_is_server_key_available[index]; |
| } else { |
| return this->_is_client_key_available[index]; |
| } |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::set_encryption_key_available(QUICKeyPhase phase) |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| this->_is_server_key_available[index] = true; |
| } else { |
| this->_is_client_key_available[index] = true; |
| } |
| } |
| |
| const uint8_t * |
| QUICPacketProtectionKeyInfo::encryption_key(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_server_key[index]; |
| } else { |
| return this->_client_key[index]; |
| } |
| } |
| |
| uint8_t * |
| QUICPacketProtectionKeyInfo::encryption_key(QUICKeyPhase phase) |
| { |
| return const_cast<uint8_t *>(const_cast<const QUICPacketProtectionKeyInfo *>(this)->encryption_key(phase)); |
| } |
| |
| size_t |
| QUICPacketProtectionKeyInfo::encryption_key_len(QUICKeyPhase phase) const |
| { |
| const EVP_CIPHER *cipher; |
| |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| cipher = this->_cipher_initial; |
| break; |
| default: |
| cipher = this->_cipher; |
| break; |
| } |
| |
| return EVP_CIPHER_key_length(cipher); |
| } |
| |
| const uint8_t * |
| QUICPacketProtectionKeyInfo::encryption_iv(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_server_iv[index]; |
| } else { |
| return this->_client_iv[index]; |
| } |
| } |
| |
| uint8_t * |
| QUICPacketProtectionKeyInfo::encryption_iv(QUICKeyPhase phase) |
| { |
| return const_cast<uint8_t *>(const_cast<const QUICPacketProtectionKeyInfo *>(this)->encryption_iv(phase)); |
| } |
| |
| const size_t * |
| QUICPacketProtectionKeyInfo::encryption_iv_len(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return &this->_server_iv_len[index]; |
| } else { |
| return &this->_client_iv_len[index]; |
| } |
| } |
| |
| size_t * |
| QUICPacketProtectionKeyInfo::encryption_iv_len(QUICKeyPhase phase) |
| { |
| return const_cast<size_t *>(const_cast<const QUICPacketProtectionKeyInfo *>(this)->encryption_iv_len(phase)); |
| } |
| |
| bool |
| QUICPacketProtectionKeyInfo::is_decryption_key_available(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_is_client_key_available[index]; |
| } else { |
| return this->_is_server_key_available[index]; |
| } |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::set_decryption_key_available(QUICKeyPhase phase) |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| this->_is_client_key_available[index] = true; |
| } else { |
| this->_is_server_key_available[index] = true; |
| ; |
| } |
| } |
| |
| const uint8_t * |
| QUICPacketProtectionKeyInfo::decryption_key(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_client_key[index]; |
| } else { |
| return this->_server_key[index]; |
| } |
| } |
| |
| uint8_t * |
| QUICPacketProtectionKeyInfo::decryption_key(QUICKeyPhase phase) |
| { |
| return const_cast<uint8_t *>(const_cast<const QUICPacketProtectionKeyInfo *>(this)->decryption_key(phase)); |
| } |
| |
| size_t |
| QUICPacketProtectionKeyInfo::decryption_key_len(QUICKeyPhase phase) const |
| { |
| const EVP_CIPHER *cipher; |
| |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| cipher = this->_cipher_initial; |
| break; |
| default: |
| cipher = this->_cipher; |
| break; |
| } |
| |
| return EVP_CIPHER_key_length(cipher); |
| } |
| |
| const uint8_t * |
| QUICPacketProtectionKeyInfo::decryption_iv(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_client_iv[index]; |
| } else { |
| return this->_server_iv[index]; |
| } |
| } |
| |
| uint8_t * |
| QUICPacketProtectionKeyInfo::decryption_iv(QUICKeyPhase phase) |
| { |
| return const_cast<uint8_t *>(const_cast<const QUICPacketProtectionKeyInfo *>(this)->decryption_iv(phase)); |
| } |
| |
| const size_t * |
| QUICPacketProtectionKeyInfo::decryption_iv_len(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return &this->_client_iv_len[index]; |
| } else { |
| return &this->_server_iv_len[index]; |
| } |
| } |
| |
| size_t * |
| QUICPacketProtectionKeyInfo::decryption_iv_len(QUICKeyPhase phase) |
| { |
| return const_cast<size_t *>(const_cast<const QUICPacketProtectionKeyInfo *>(this)->decryption_iv_len(phase)); |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::set_cipher_initial(const EVP_CIPHER *cipher) |
| { |
| this->_cipher_initial = cipher; |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::set_cipher(const EVP_CIPHER *cipher, size_t tag_len) |
| { |
| this->_cipher = cipher; |
| this->_tag_len = tag_len; |
| } |
| |
| const EVP_CIPHER * |
| QUICPacketProtectionKeyInfo::get_cipher_for_hp(QUICKeyPhase phase) const |
| { |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| return this->_cipher_for_hp_initial; |
| default: |
| return this->_cipher_for_hp; |
| } |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::set_cipher_for_hp_initial(const EVP_CIPHER *cipher) |
| { |
| this->_cipher_for_hp_initial = cipher; |
| } |
| |
| void |
| QUICPacketProtectionKeyInfo::set_cipher_for_hp(const EVP_CIPHER *cipher) |
| { |
| this->_cipher_for_hp = cipher; |
| } |
| |
| const uint8_t * |
| QUICPacketProtectionKeyInfo::encryption_key_for_hp(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_server_key_for_hp[index]; |
| } else { |
| return this->_client_key_for_hp[index]; |
| } |
| } |
| |
| uint8_t * |
| QUICPacketProtectionKeyInfo::encryption_key_for_hp(QUICKeyPhase phase) |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_server_key_for_hp[index]; |
| } else { |
| return this->_client_key_for_hp[index]; |
| } |
| } |
| |
| size_t |
| QUICPacketProtectionKeyInfo::encryption_key_for_hp_len(QUICKeyPhase phase) const |
| { |
| const EVP_CIPHER *cipher; |
| |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| cipher = this->_cipher_for_hp_initial; |
| break; |
| default: |
| cipher = this->_cipher_for_hp; |
| break; |
| } |
| |
| return EVP_CIPHER_key_length(cipher); |
| } |
| |
| const uint8_t * |
| QUICPacketProtectionKeyInfo::decryption_key_for_hp(QUICKeyPhase phase) const |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_client_key_for_hp[index]; |
| } else { |
| return this->_server_key_for_hp[index]; |
| } |
| } |
| |
| uint8_t * |
| QUICPacketProtectionKeyInfo::decryption_key_for_hp(QUICKeyPhase phase) |
| { |
| int index = static_cast<int>(phase); |
| if (this->_ctx == Context::SERVER) { |
| return this->_client_key_for_hp[index]; |
| } else { |
| return this->_server_key_for_hp[index]; |
| } |
| } |
| |
| size_t |
| QUICPacketProtectionKeyInfo::decryption_key_for_hp_len(QUICKeyPhase phase) const |
| { |
| const EVP_CIPHER *cipher; |
| |
| switch (phase) { |
| case QUICKeyPhase::INITIAL: |
| cipher = this->_cipher_for_hp_initial; |
| break; |
| default: |
| cipher = this->_cipher_for_hp; |
| break; |
| } |
| |
| return EVP_CIPHER_key_length(cipher); |
| } |