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Re: $10M breaks MD5 in 24 days

To: Phil Karn <[email protected]>
Subject: Re: $10M breaks MD5 in 24 days
From: "Perry E. Metzger" <[email protected]>
Date: Sun, 28 Aug 1994 20:01:11 -0400
Cc: [email protected]
In-Reply-To: Your message of "Sat, 27 Aug 1994 23:51:00 PDT." <[email protected]>
Reply-To: [email protected]
Sender: [email protected]


Phil Karn says:
> >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...
> 
> On the other hand, I can't imagine that NSA is unaware that strong
> cryptographic hash functions designed for authentication are also
> useful building blocks for a confidentiality cipher. Which might make
> them less than wholly enthusiastic about doing their best on a public
> standard like SHA.

True enough. However, we don't have a lot of alternatives right now.
MD6, anyone?

.pm

References:
- Re: $10M breaks MD5 in 24 days
  - From: Phil Karn <[email protected]>

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