From bd7e87ec9e941940214188595c2e0f0a7295fe9a Mon Sep 17 00:00:00 2001 From: Othmar Gsenger Date: Tue, 30 Sep 2014 18:38:15 +0000 Subject: added openssl crypto class --- src/Makefile | 1 + src/crypto/interface.cpp | 2 +- src/crypto/interface.h | 1 - src/crypto/openssl.cpp | 82 ++++++++++++++++++++++++++++++++++++++++++++++++ src/crypto/openssl.h | 70 +++++++++++++++++++++++++++++++++++++++++ 5 files changed, 154 insertions(+), 2 deletions(-) create mode 100644 src/crypto/openssl.cpp create mode 100644 src/crypto/openssl.h diff --git a/src/Makefile b/src/Makefile index cfcc34e..dae94d9 100644 --- a/src/Makefile +++ b/src/Makefile @@ -53,6 +53,7 @@ ANYTUNOBJS := packetSource.o \ cipher.o \ cipherFactory.o \ crypto/interface.o \ + crypto/openssl.o \ plainPacket.o \ encryptedPacket.o \ options.o \ diff --git a/src/crypto/interface.cpp b/src/crypto/interface.cpp index 2d57d57..a38ad48 100644 --- a/src/crypto/interface.cpp +++ b/src/crypto/interface.cpp @@ -87,7 +87,7 @@ satp_prf_label_t Interface::convertLabel(kd_dir_t dir, role_t role, satp_prf_lab std::string Interface::printType() { - return "GenericKeyDerivation"; + return ""; } bool Interface::init() diff --git a/src/crypto/interface.h b/src/crypto/interface.h index 073201e..40e605a 100644 --- a/src/crypto/interface.h +++ b/src/crypto/interface.h @@ -72,7 +72,6 @@ namespace crypto { public: virtual ~Interface() {}; // pure virtual - virtual void init(Buffer key, Buffer salt, std::string passphrase = "") = 0; virtual bool generatePacketKey( kd_dir_t dir, satp_prf_label_t label, seq_nr_t seq_nr, const Buffer& masterkey , const Buffer& mastersalt, Buffer& key) = 0; virtual void calcMasterKey(std::string passphrase, uint16_t length, Buffer& masterkey ) = 0; virtual void calcMasterSalt(std::string passphrase, uint16_t length, Buffer& mastersalt ) = 0; diff --git a/src/crypto/openssl.cpp b/src/crypto/openssl.cpp new file mode 100644 index 0000000..f433a3d --- /dev/null +++ b/src/crypto/openssl.cpp @@ -0,0 +1,82 @@ +/* + * anytun + * + * The secure anycast tunneling protocol (satp) defines a protocol used + * for communication between any combination of unicast and anycast + * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel + * mode and allows tunneling of every ETHER TYPE protocol (e.g. + * ethernet, ip, arp ...). satp directly includes cryptography and + * message authentication based on the methods used by SRTP. It is + * intended to deliver a generic, scaleable and secure solution for + * tunneling and relaying of packets of any protocol. + * + * + * Copyright (C) 2007-2014 Markus Grüneis, Othmar Gsenger, Erwin Nindl, + * Christian Pointner + * + * This file is part of Anytun. + * + * Anytun is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * Anytun is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Anytun. If not, see . + * + * In addition, as a special exception, the copyright holders give + * permission to link the code of portions of this program with the + * OpenSSL library under certain conditions as described in each + * individual source file, and distribute linked combinations + * including the two. + * You must obey the GNU General Public License in all respects + * for all of the code used other than OpenSSL. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you + * do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source + * files in the program, then also delete it here. + */ + +#include "openssl.h" + +namespace crypto { + +bool Openssl::generatePacketKey( kd_dir_t dir, satp_prf_label_t label, seq_nr_t seq_nr, const Buffer& masterkey , const Buffer& mastersalt, Buffer& key) +{ + return true; +} + +void Openssl::calcMasterKey(std::string passphrase, uint16_t length, Buffer& masterkey ) +{ +} + +void Openssl::calcMasterSalt(std::string passphrase, uint16_t length, Buffer& mastersalt ) +{ +} + +void Openssl::encrypt(const Buffer& key, PlainPacket& in, EncryptedPacket& out) +{ +} + +void Openssl::decrypt(const Buffer& key, EncryptedPacket& in, PlainPacket& out) +{ +} + +std::string Openssl::printType() +{ + return "Openssl"; +} + +//static +bool Openssl::init() +{ + return true; +} + +} diff --git a/src/crypto/openssl.h b/src/crypto/openssl.h new file mode 100644 index 0000000..ba5a340 --- /dev/null +++ b/src/crypto/openssl.h @@ -0,0 +1,70 @@ +/* + * anytun + * + * The secure anycast tunneling protocol (satp) defines a protocol used + * for communication between any combination of unicast and anycast + * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel + * mode and allows tunneling of every ETHER TYPE protocol (e.g. + * ethernet, ip, arp ...). satp directly includes cryptography and + * message authentication based on the methods used by SRTP. It is + * intended to deliver a generic, scaleable and secure solution for + * tunneling and relaying of packets of any protocol. + * + * + * Copyright (C) 2007-2014 Markus Grüneis, Othmar Gsenger, Erwin Nindl, + * Christian Pointner + * + * This file is part of Anytun. + * + * Anytun is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * Anytun is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Anytun. If not, see . + * + * In addition, as a special exception, the copyright holders give + * permission to link the code of portions of this program with the + * OpenSSL library under certain conditions as described in each + * individual source file, and distribute linked combinations + * including the two. + * You must obey the GNU General Public License in all respects + * for all of the code used other than OpenSSL. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you + * do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source + * files in the program, then also delete it here. + */ + +#ifndef ANYTUN_crypto_openssl_h_INCLUDED +#define ANYTUN_crypto_openssl_h_INCLUDED + +#include "interface.h" + +namespace crypto { + + class Openssl : Interface + { + public: + virtual ~Openssl() {}; + // pure virtual + virtual bool generatePacketKey( kd_dir_t dir, satp_prf_label_t label, seq_nr_t seq_nr, const Buffer& masterkey , const Buffer& mastersalt, Buffer& key); + virtual void calcMasterKey(std::string passphrase, uint16_t length, Buffer& masterkey ); + virtual void calcMasterSalt(std::string passphrase, uint16_t length, Buffer& mastersalt ); + virtual void encrypt(const Buffer& key, PlainPacket& in, EncryptedPacket& out); + virtual void decrypt(const Buffer& key, EncryptedPacket& in, PlainPacket& out); + // virtual + virtual std::string printType(); + //static + static bool init(); + }; +}; + +#endif -- cgit v1.2.3