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1994-08-26 - Re: $10M breaks MD5 in 24 days

Header Data

From: “Perry E. Metzger” <perry@imsi.com>
To: Hal <hfinney@shell.portal.com>
Message Hash: 2bfcca8388c834ff28c5d22da7f73606f918dc2f65ec68db8aeb19e610869397
Message ID: <9408260027.AA05595@snark.imsi.com>
Reply To: <199408252058.NAA12488@jobe.shell.portal.com>
UTC Datetime: 1994-08-26 00:28:36 UTC
Raw Date: Thu, 25 Aug 94 17:28:36 PDT

Raw message

From: "Perry E. Metzger" <perry@imsi.com>
Date: Thu, 25 Aug 94 17:28:36 PDT
To: Hal <hfinney@shell.portal.com>
Subject: Re: $10M breaks MD5 in 24 days
In-Reply-To: <199408252058.NAA12488@jobe.shell.portal.com>
Message-ID: <9408260027.AA05595@snark.imsi.com>
MIME-Version: 1.0
Content-Type: text/plain



Hal says:
> The Secure Hash Standard (SHS, aka SHA) is, they said, 64K times slower,
> hence this technique would take 64K times longer (or cost ~64K times
> more?) to break that hash.

Well, I suppose this demonstrates that the NSA knew what they were
doing when they set the SHA's length to 160 bits. Let it never be said
that they aren't right on top of everything...

Perry

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