Reading and manipulating binary data

[Paul Rubin]

"Dave" <davbucko at yahoo.com> writes:
> Also part of the authentication system involves MD5 hashes.  For this I need
> to be able to take a string, find its MD5 digest, and then xor it with
> another string.  But since the MD5 digest is binary, and I don't know how to
> change it, I can't xor it...  Please, I am sure I am missing something
> really obvious but I am stumped as to what it is.

Look at the docs for the array module.  It may solve a lot of your problems.