255 search results - page 33 / 51 » Security of Encryption Schemes in Weakened Random Oracle Mod... |
CISC
2007
Springer
13 years 11 months ago
2007
Springer
This paper proposes a new ID-based proxy signature scheme based on the bilinear pairings. The number of paring operation involved in the verification procedure of our scheme is onl...
EUROCRYPT
2003
Springer
14 years 23 days 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...
FC
2003
Springer
14 years 23 days ago
2003
Springer
Abstract. We present a new cryptographic auction protocol that prevents extraction of bid information despite any collusion of participants. This requirement is stronger than commo...
ACISP
2008
Springer
13 years 9 months ago
2008
Springer
We consider one-round key exchange protocols secure in the standard model. The security analysis uses the powerful security model of Canetti and Krawczyk and a natural extension of...
ASIACRYPT
2004
Springer
13 years 11 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...