179 search results - page 21 / 36 » On the Security of Some Proxy Blind Signature Schemes |
IJACT
2008
13 years 7 months ago
2008
: In Crypto 1997, Goldreich, Goldwasser and Halevi (GGH) proposed a lattice analogue of McEliece public key cryptosystem, in which security is related to the hardness of approximat...
PKC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
ESORICS
2004
Springer
14 years 28 days ago
2004
Springer
Database outsourcing is a popular industry trend which involves organizations delegating their data management needs to an external service provider. In this model, a service prov...
ASIACRYPT
2000
Springer
13 years 12 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 ...
ICICS
2003
Springer
14 years 22 days ago
2003
Springer
The advantage of ID-based system is the simplification of key distribution and certification management; a user can directly use his identity as his public key instead of an arbi...