Re: comment on reducing padding (Re: Re: libfastmint update 20040915)

Atom 'Smasher' <[email protected]> Thu, 16 Sep 2004 16:15:03 -0400 (EDT)
Newsgroups	gmane.mail.spam.hashcash
Message-ID	<20040916160727.N52683@willy_wonka>
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On Thu, 16 Sep 2004, Adam Back wrote:

> Atom writes:
>> thoughts (after i should be in bed) about getting rid of the padding...
>>
>> hhmmm... what if the padding was done internally? instead of padding the
>> stamp that's output, a minting application would create a stamp _as_if_ it
>> were padded and a verifying application would internally add appropriate
>> padding before calculating the hash.
>
> Yes I thought about this one also.  However the downside is one can no
> longer easily verifying a stamp in script languages using the sha1sum
> utility.  One first would have to undeo the padding compression.
=================

the ease (or difficulty) depends on the language and how the padding is 
handled. padding doesn't have to prepend the counter, it could prepend or 
append the entire stamp. in any case, awk can handle it with little 
difficulty and i suspect perl can handle it too.

but if anyone is using a scripting language, they should have a hashcash 
executable available to do this grunt work.


 	...atom

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