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Re: [ANNOUNCE] GNU fileutils 4.1


From: Paul Eggert
Subject: Re: [ANNOUNCE] GNU fileutils 4.1
Date: Sun, 27 May 2001 21:21:10 -0700 (PDT)

> Date: Sun, 27 May 2001 20:46:15 -0700
> From: Matt Schalit <address@hidden>
> 
> I'm still wondering if this hypothetical 
> md5sum -C option would output checksums 
> for every byte.

Since it's hypothetical, it would do whatever you want it to do.
Perhaps you'll need to add more checksum-related options, but that's
OK: that's what md5sum is for.

I still don't quite follow why you're using MD5 for a new archival
checksum application, though.  All the authorities I've consulted
suggest that MD5 may not be secure enough for new applications of this
type.

The latest textutils has an "sha1sum" program that you could use
instead; it computes SHA-1, which is a better fit.  I think the source
code is structured so that any options you need for "md5sum" can also
be added easily to "sha1sum".



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