[11917] in cryptography@c2.net mail archive
Re: Why is RMAC resistant to birthday attacks?
daemon@ATHENA.MIT.EDU (David Wagner)
Wed Oct 23 20:58:02 2002
X-Envelope-To: cryptography@wasabisystems.com
To: cryptography@wasabisystems.com
From: daw@mozart.cs.berkeley.edu (David Wagner)
Date: 24 Oct 2002 00:24:46 GMT
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Ed Gerck wrote:
>(A required property of MACs is providing a uniform distribution of values for a
>change in any of the input bits, which makes the above sequence extremely
>improbable)
Not so. This is not a required property for a MAC.
(Not all MACs must be PRFs.)
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