EasyOTP.py

   1 #!/bin/env python
   2 import popen2
   3
   4 def decode(ct):
   5     o, i, e = popen2.popen3("./cotp -d")
   6     i.write(ct)
   7     i.close()
   8     pt = o.read()
   9     errors = e.read()
  10     if errors:
  11         raise errors
  12     return pt
  13
  14 # TODO: support padname
  15 def encode(pt):
  16     o, i, e = popen2.popen3("./cotp -e")
  17     i.write(pt)
  18     i.close()
  19     ct = o.read()
  20     errors = e.read()
  21     if errors:
  22         raise errors
  23     return ct
  24
  25 if __name__ == "__main__":
  26     ct = encode("hello world")
  27     print ct
  28     pt = decode(ct)
  29     print ct
  30     assert ct == "hello world", "decode failed to match"
  31