From 3d174037c175e33b0b57c0639ab7440e9f5d6abc Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Tue, 19 Feb 2008 17:31:04 +0000 Subject: replaces cypher with cipher --- cipher.h | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 cipher.h (limited to 'cipher.h') diff --git a/cipher.h b/cipher.h new file mode 100644 index 0000000..7ff9e01 --- /dev/null +++ b/cipher.h @@ -0,0 +1,84 @@ +/* + * 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 methodes 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 anytun.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program 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 this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _CIPHER_H_ +#define _CIPHER_H_ + +#include "datatypes.h" +#include "buffer.h" +#include "encryptedPacket.h" +#include "plainPacket.h" + +#include + + +class Cipher +{ +public: + Cipher() {}; + virtual ~Cipher() {}; + + void setKey(Buffer key) {}; + void setSalt(Buffer salt) {}; + void encrypt(const PlainPacket & in,EncryptedPacket & out, seq_nr_t seq_nr, sender_id_t sender_id); + void decrypt(const EncryptedPacket & in,PlainPacket & out); +private: + virtual void cipher(u_int8_t * in, u_int8_t * out, u_int32_t length, seq_nr_t seq_nr, sender_id_t sender_id) {}; +}; + +//****** NullCipher ****** + +class NullCipher : public Cipher +{ +public: + NullCipher() {}; + ~NullCipher() {}; +protected: + void cipher(u_int8_t * in, u_int8_t * out, u_int32_t length, seq_nr_t seq_nr, sender_id_t sender_id); +}; + +//****** AesIcmCipher ****** + +class AesIcmCipher : public Cipher +{ +public: + AesIcmCipher(); + ~AesIcmCipher(); + void setKey(Buffer key); + void setSalt(Buffer salt); + +protected: + void cipher(u_int8_t * in, u_int8_t * out, u_int32_t length, seq_nr_t seq_nr, sender_id_t sender_id); + gcry_cipher_hd_t cipher_; + Buffer salt_; +}; + + +#endif -- cgit v1.2.3