Efficient Unconditionally Secure Signatures Using Universal Hashing.

ACNS(2018)

Cited 26|Views47
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Abstract
Digital signatures are one of the most important cryptographic primitives. In this work we construct an information-theoretically secure signature scheme which, unlike prior schemes, enjoys a number of advantageous properties such as short signature length and high generation efficiency, to name two. In particular, we extend symmetric-key message authentication codes (MACs) based on universal hashing to make them transferable, a property absent from traditional MAC schemes. Our main results are summarised as follows.
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Key words
Digital signatures, Information-theoretic security, Transferable MAC, Universal hashing
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