Encryption with Python

[Paul Rubin]

Till Plewe <till at score.is.tsukuba.ac.jp> writes:
> If you are happy xoring then there is an even faster method: use
> numarray. For me xoring a numarray.array is twice as fast as
> string.translate is on the corresponding string for UInt8 arrays and
> four times as fast for UInt64 arrays. (But adding the two conversions
> between strings and numarrays makes the two methods comparable).

If you can use numarray, there's a pretty good chance that you could
instead use pycrypt or pyaes or some other C extension that does real
encryption.  The idea of encrypting in pure python is you don't always
have the opportunity to use external modules like pycrypt or numarray.