[cryptography] "stream MAC" - does anything like it exist?

J.A. Terranson measl at mfn.org
Sun Sep 12 21:04:38 EDT 2010

On Mon, 13 Sep 2010, James A. Donald wrote:

> What he wants is the that probability is cumulative - that each short field
> not only validates the latest packet, but strengthens the probability that all
> previous accepted packets were correct.

An accumulator of sorts? Possibly checking against a precomputed and sent 
at start of transmission index?


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