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-rw-r--r--keyDerivation.cpp2
-rw-r--r--keyDerivationFactory.cpp47
-rw-r--r--keyDerivationFactory.h51
-rw-r--r--options.cpp4
4 files changed, 102 insertions, 2 deletions
diff --git a/keyDerivation.cpp b/keyDerivation.cpp
index 79086b2..ac69f80 100644
--- a/keyDerivation.cpp
+++ b/keyDerivation.cpp
@@ -80,7 +80,7 @@ void AesIcmKeyDerivation::init(Buffer key, Buffer salt)
if(cipher_)
gcry_cipher_close( cipher_ );
- // TODO: hardcoded cipher-type and keysize??
+ // TODO: hardcoded size
gcry_error_t err = gcry_cipher_open( &cipher_, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 0 );
if( err ) {
cLog.msg(Log::PRIO_ERR) << "KeyDerivation::init: Failed to open cipher: " << gpg_strerror( err );
diff --git a/keyDerivationFactory.cpp b/keyDerivationFactory.cpp
new file mode 100644
index 0000000..a70cbca
--- /dev/null
+++ b/keyDerivationFactory.cpp
@@ -0,0 +1,47 @@
+/*
+ * 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 <satp@wirdorange.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
+ */
+
+#include <string>
+#include <stdexcept>
+
+#include "keyDerivationFactory.h"
+#include "keyDerivation.h"
+
+
+KeyDerivation* KeyDerivationFactory::create(std::string const& type)
+{
+ if( type == "null" )
+ return new NullKeyDerivation();
+ else if( type == "aes-ctr" )
+ return new AesIcmKeyDerivation();
+ else
+ throw std::invalid_argument("key derivation prf not available");
+}
+
diff --git a/keyDerivationFactory.h b/keyDerivationFactory.h
new file mode 100644
index 0000000..f422711
--- /dev/null
+++ b/keyDerivationFactory.h
@@ -0,0 +1,51 @@
+/*
+ * 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 <satp@wirdorange.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 _KEYDERIVATION_FACTORY_H_
+#define _KEYDERIVATION_FACTORY_H_
+
+#include <string>
+
+#include "datatypes.h"
+#include "keyDerivation.h"
+
+class KeyDerivationFactory
+{
+public:
+ static KeyDerivation* create(std::string const& type);
+
+private:
+ KeyDerivationFactory();
+ KeyDerivationFactory(const KeyDerivationFactory& src);
+ void operator=(const KeyDerivationFactory& src);
+ ~KeyDerivationFactory();
+};
+
+#endif
diff --git a/options.cpp b/options.cpp
index 461e4f6..8bc4e77 100644
--- a/options.cpp
+++ b/options.cpp
@@ -71,7 +71,7 @@
i+=2; \
}
-#define PARSE_SCALAR_CSLIST(SHORT, LONG, LIST) \
+#define PARSE_CSLIST_PARAM(SHORT, LONG, LIST) \
else if(str == SHORT || str == LONG) \
{ \
if(argc < 1 || argv[i+1][0] == '-') \
@@ -174,6 +174,7 @@ void Options::printUsage()
<< " <remote|netmask> the remote address(tun) or netmask(tap)" << std::endl;
std::cout << " [-w|--window-size] <window size> seqence number window size" << std::endl;
std::cout << " [-c|--cipher] <cipher type> payload encryption algorithm" << std::endl;
+ std::cout << " [-k|--kd-prf] <kd-prf type> key derivation pseudo random function" << std::endl;
std::cout << " [-a|--auth-algo] <algo type> message authentication algorithm" << std::endl;
}
@@ -193,6 +194,7 @@ void Options::printOptions()
std::cout << "ifconfig_param_remote_netmask='" << ifconfig_param_remote_netmask_ << "'" << std::endl;
std::cout << "seq_window_size='" << seq_window_size_ << "'" << std::endl;
std::cout << "cipher='" << cipher_ << "'" << std::endl;
+ std::cout << "kd-prf='" << kd_prf_ << "'" << std::endl;
std::cout << "auth_algo='" << auth_algo_ << "'" << std::endl;
}