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Date: Wed,  4 Feb 2009 18:49:19 +0100
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From: hiro <23hiro@googlemail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] Some arithmetic [was: Re: Sources Gone?]
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> Assuming SHA-1 is indeed cryptographically secure (which is the assumption
> made by the venti paper)

Well, I read it like it was just sufficiently secure against
unintended collisions.
It's not intended to encrypt, but to efficiently store data.