117 search results - page 15 / 24 » Short Group Signature Without Random Oracles |
134
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ASIACRYPT
2006
Springer
15 years 7 months ago
2006
Springer
In this paper, we propose a new approach for constructing selectively convertible undeniable signature schemes, and present two efficient schemes based on RSA. Our approach allows ...
136
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ASIACRYPT
2000
Springer
15 years 7 months ago
2000
Springer
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
117
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EUROCRYPT
2004
Springer
15 years 8 months ago
2004
Springer
We introduce the concept of concurrent signatures. These allow two entities to produce two signatures in such a way that, from the point of view of any third party, both signatures...
115
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EUROCRYPT
2007
Springer
15 years 9 months ago
2007
Springer
sion of an extended abstract to be published in Advances in Cryptology—EUROCRYPT 2007, Springer-Verlag, 2007. Available online from the IACR Cryptology ePrint Archive as Report 2...
149
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ICISC
2004
15 years 4 months ago
2004
In threshold ring signature schemes, any group of t entities spontaneously conscript arbitrarily n - t entities to generate a publicly verifiable t-out-of-n signature on behalf of ...