122 search results - page 15 / 25 » Practical Threshold Signatures Without Random Oracles |
85
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CISC
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. In this paper, we propose a signcryption scheme which provides all the following properties at the same time. (1) forward security: the private key of a sender does not h...
128
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EUROCRYPT
2003
Springer
15 years 4 months ago
2003
Springer
Abstract. Digital Signatures emerge naturally from Public-Key Encryption based on trapdoor permutations, and the “duality” of the two primitives was noted as early as Diffie-He...
97
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ASIACRYPT
2001
Springer
15 years 4 months ago
2001
Springer
In this paper we formalize the notion of a ring signature, which makes it possible to specify a set of possible signers without revealing which member actually produced the signatu...
ICALP
2005
Springer
15 years 5 months ago
2005
Springer
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...
ICALP
2005
Springer
15 years 5 months ago
2005
Springer
Abstract An encryption scheme is non-malleable if the adversary cannot transform a ciphertext into one of a related message under the given public key. Although providing a very st...