Re: New release of pgscsh, now with support for Scheme48

On Mon 05 Feb 2007 17:50, "Emilio Lopes" <[email protected]> writes:

> On 05/02/07, Andreas Bernauer <[email protected]> wrote:
>
>> Emilio Lopes wrote on Sun, Feb 04 2007 at 15:36 (+0100):
>> >  * Experimental support for Scheme 48 1.5.
>> >
>> >    The only currently available authentication mode is "password".
>> >    Support for MD5 authentication would be possible by porting PLT's
>> >    MD5 library to Scheme 48.  Is anyone working on this?
>>
>> This has already been done by Martin Gasbichler
>
> Yes, this is the Scheme interface to the C function using the FFI.
> pgscsh already uses this for MD5 authentication when running under
> Scsh.  AFAIK this approach doesn't play nice with threads; all threads
> in the process block until the C call return.  For Scheme 48 (and for
> Scsh too, eventually) I think it would be better to port PLT's version
> of the MD5 library, which is written in Scheme only.

Gambit also contains a Scheme implementation of MD5 (and various other
digest algorithms).

-Eric
-- 
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