manual installed 3rd party tools

usr/local/bin/kcpass.py

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+#!/usr/bin/python2
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+""" KCPassword Xor """
+
+# MSc Project in Royal Holloway, University of London.
+__author__ = 'Joaquin Moreno Garijo (bastionado@gmail.com)'
+
+import sys
+
+magic_static='7d895223d2bcddeaa3b91f'
+pwd = ''
+
+if len(sys.argv) != 2:
+  print 'Please write as a first argv the hexadecimal kcpassword value:'
+  print 'Example: python {} 1ceb3147d2172f1140ff63bf'.format(sys.argv[0])
+  exit(1)
+
+kcpasswd=sys.argv[1]
+print u'\n\tKcpasswd: 0x{}.'.format(kcpasswd)
+print u'\tMagic Xor: 0x{}.'.format(magic_static)
+
+tam_xor = len(magic_static)
+tam = len(kcpasswd) - tam_xor
+magic = magic_static
+while tam > 0:
+  tam -= tam_xor
+  magic += magic_static
+print u'\tUsed Magic Xor: 0x{}.'.format(magic)
+
+i = 0
+while i < len(kcpasswd):
+  charkc = kcpasswd[i] + kcpasswd[i+1]
+  charkch = int(charkc, 16)
+  charm = magic[i] + magic[i+1]
+  charmh = int(charm, 16)
+  r = charkch ^ charmh
+  pwd += chr(r)
+  if r == 0:
+    print '\n\tThe password is: "{}".\n'.format(pwd.rstrip('\0'))
+    break
+  i += 2