
In this paper, we study unconditionally secure codes that provide authentication without secrecy. Our point of view is the universal hashing approach pioneered by Wegman and Carter in 1981. We first compare several recent universal-hashing based constructions for authentication codes. Then we generalize the theory of universal hashing in order to accommodate the situation where we would like to authenticate a sequence of messages with the same key. Unlike previous methods for doing this, we do not require that each message in the sequence have a "counter" attached to it.
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| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |
