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Re: SHA-1 collisions now at 2^{52}?

daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Thu Apr 30 23:12:27 2009

To: Greg Rose <ggr@qualcomm.com>
Cc: "cryptography\@metzdowd.com" <cryptography@metzdowd.com>
From: "Perry E. Metzger" <perry@piermont.com>
Date: Thu, 30 Apr 2009 23:07:31 -0400
In-Reply-To: <35D564E5-1109-4C61-8FC8-DF32289CA332@qualcomm.com> (Greg Rose's message of "Thu\, 30 Apr 2009 19\:54\:43 -0700")


Greg Rose <ggr@qualcomm.com> writes:
>> This is a very important result. The need to transition from SHA-1
>> is no longer theoretical.
>
> It already wasn't theoretical... if you know what I mean. The writing
> has been on the wall since Wang's attacks four years ago.

Sure, but this should light a fire under people for things like TLS 1.2.

Perry
-- 
Perry E. Metzger		perry@piermont.com

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