On Tue, Apr 17, 2007 at 04:34:25PM +1000, Carlo Sogono wrote:
> I know that many people would tell me that one of the reasons for using
> Python is to eliminate the need to do low level operations, but in my
> case it's unavoidable. I am working on some cryptographic algorithms
> that needs to work with bits. The Python Cryptography Toolkit can't help
> me here so I would like to code this on my own.
>
> Specifically I would like to manipulate, add and remove raw bits from a
> pickle stream. The type() function returns pickle objects as str types
> so I'm a bit unsure how to proceed.
>
> I am a competent C programmer so I can ideally code this in C and use it
> as a Python module (haven't tried this yet though..) but prefer to work
> on Python only. I'm not an expert Python programmer so I'm gonna need
> some help here.
I know this is old thread, but I just found it in my 'aside' inbox.
There's a bitvector class here which might help:
http://cheeseshop.python.org/pypi/BitVector
Also there's a whole library for fiddling with binary
called hachoir:
http://hachoir.org/
Matt
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