1 files changed, 98 insertions, 0 deletions
diff --git a/src/crypto/interface.cpp b/src/crypto/interface.cpp
new file mode 100644
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+++ b/src/crypto/interface.cpp
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+/*
+ *  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 <satp@wirdorange.org>
+ *
+ *  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 <http://www.gnu.org/licenses/>.
+ *
+ *  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 "interface.h"
+
+namespace crypto {
+
+satp_prf_label_t Interface::convertLabel(kd_dir_t dir, role_t role, satp_prf_label_t label)
+{
+  switch(label) {
+  case LABEL_ENC: {
+    if(dir == KD_OUTBOUND) {
+      if(role == ROLE_LEFT) { return LABEL_LEFT_ENC; }
+      if(role == ROLE_RIGHT) { return LABEL_RIGHT_ENC; }
+    } else {
+      if(role == ROLE_LEFT) { return LABEL_RIGHT_ENC; }
+      if(role == ROLE_RIGHT) { return LABEL_LEFT_ENC; }
+    }
+    break;
+  }
+  case LABEL_SALT: {
+    if(dir == KD_OUTBOUND) {
+      if(role == ROLE_LEFT) { return LABEL_LEFT_SALT; }
+      if(role == ROLE_RIGHT) { return LABEL_RIGHT_SALT; }
+    } else {
+      if(role == ROLE_LEFT) { return LABEL_RIGHT_SALT; }
+      if(role == ROLE_RIGHT) { return LABEL_LEFT_SALT; }
+    }
+    break;
+  }
+  case LABEL_AUTH: {
+    if(dir == KD_OUTBOUND) {
+      if(role == ROLE_LEFT) { return LABEL_LEFT_AUTH; }
+      if(role == ROLE_RIGHT) { return LABEL_RIGHT_AUTH; }
+    } else {
+      if(role == ROLE_LEFT) { return LABEL_RIGHT_AUTH; }
+      if(role == ROLE_RIGHT) { return LABEL_LEFT_AUTH; }
+    }
+    break;
+  }
+  }
+
+  return label;
+}
+
+std::string Interface::printType()
+{
+  return "GenericKeyDerivation"; 
+}
+
+bool Interface::init()
+{
+  return true;
+};
+
+}