license automata update

rdpy/protocol/rdp/pdu/lic.py

@@ -226,6 +226,7 @@ def createNewLicenseRequest(serverLicenseRequest):
     Create new license request in response to server license request
     @see: http://msdn.microsoft.com/en-us/library/cc241989.aspx
     @see: http://msdn.microsoft.com/en-us/library/cc241918.aspx
-    @todo: need RDP license server
     """
-    return LicPacket(message = ClientNewLicenseRequest())
+    message = ClientNewLicenseRequest()
+    
+    return LicPacket(message)

rdpy/protocol/rdp/sec.py

@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2014 Sylvain Peyrefitte
+#
+# This file is part of rdpy.
+#
+# rdpy 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
+# (at your option) any later version.
+#
+# 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. If not, see <http://www.gnu.org/licenses/>.
+#
+
+"""
+Some use full methods for security in RDP
+"""
+
+import sha, md5
+
+def saltedHash(inputData, salt, salt1, salt2):
+    """
+    @summary: Generate particular signature from combination of sha1 and md5
+    @see: http://msdn.microsoft.com/en-us/library/cc241992.aspx
+    @param inputData: strange input (see doc)
+    @param salt: salt for context call
+    @param salt1: another salt (ex : client random)
+    @param salt2: another another salt (ex: server random)
+    @return : MD5(Salt + SHA1(Input + Salt + Salt1 + Salt2))
+    """
+    sha1Digest = sha.new()
+    md5Digest = md5.new()
+    
+    sha1Digest.update(inputData)
+    sha1Digest.update(salt[:48])
+    sha1Digest.update(salt1)
+    sha1Digest.update(salt2)
+    sha1Sig = sha1Digest.digest()
+    
+    md5Digest.update(salt[:48])
+    md5Digest.update(sha1Sig)
+    
+    return md5Digest.digest()
+
+def masterSecret(preMasterSecret, clientRandom, serverRandom):
+    """
+    """