590 search results - page 17 / 118 » Short Group Signatures |
ICITS
2009
14 years 9 months ago
2009
We observe that finding invalid signatures in batches of signatures that fail batch verification is an instance of the classical group testing problem. We present and compare new ...
PKC
2004
Springer
15 years 5 months ago
2004
Springer
We present a new undeniable signature scheme which is based on the computation of characters. Our signature scheme offers the advantage of having an arbitrarily short signature. I...
CRYPTO
2001
Springer
15 years 4 months ago
2001
Springer
We propose the first forward-secure signature scheme for which both signing and verifying are as efficient as for one of the most efficient ordinary signature schemes (Guillou-Qui...
PKC
2012
Springer
13 years 2 months ago
2012
Springer
We revisit the definition of unforgeability of blind signatures as proposed by Pointcheval and Stern (Journal of Cryptology 2000). Surprisingly, we show that this established de...
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ASIACRYPT
2003
Springer
15 years 3 months ago
2003
Springer
Abstract. Group signature schemes are fundamental cryptographic tools that enable unlinkably anonymous authentication, in the same fashion that digital signatures provide the basis...