Re: [TLS] Open Issue: verify_data processing

["Steven M. Bellovin" <smb@xxxxxxxxxxxxxxx>]

On Wed, 18 Oct 2006 18:10:32 +0100, "Ben Laurie" <benl@xxxxxxxxxx> wrote:

> A pedantic quibble here: this makes the assumption that a hash can
> always be calculated by chaining partial inputs, which is not a
> required property of hashes, just one we're used to having.
>
Indeed.  In fact, the desirability of this property has been raised at
some of the NIST hash function workshops -- some people think we will not
be able to preserve it in a future secure hash function.


		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb

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