Help wanted with md2 hash algorithm

[wjb131 at web.de]

Paul Rubin wrote:
> wjb131 at web.de writes:
> > below you find my simple python version of MD2 algorithm
> > as described in RFC1319  (http://rfc1319.x42.com/MD2).
> > It produces correct results for strings shorter than 16 Bytes and wrong
> > results for longer strings.
>
> Why do you want to use MD2?  It's very slow and it's also been
> deprecated for security reasons.  Use SHA1 (built into Python library)
> or SHA256/384/512 (implementations are circulating) instead.

I want to understand it, and -- therefor ;-) -- I want to implement it
in pure Pyhton.