331 search results - page 37 / 67 » Provably Secure Timed-Release Public Key Encryption |
ISPA
2005
Springer
14 years 1 months ago
2005
Springer
Identity-based (ID-based) public key cryptosystem can be a good alternative for certificate-based public key setting, especially when efficient key management and moderate securit...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper we construct two new fuzzy identity-based encryption (IBE) schemes in the random oracle model. Not only do our schemes provide public parameters whose size is indepe...
CRYPTO
2006
Springer
13 years 11 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
ASIACRYPT
2001
Springer
14 years 2 days 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...
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...