94 search results - page 7 / 19 » Proxy Re-signature Schemes Without Random Oracles |
PQCRYPTO
2010
13 years 11 months ago
2010
Abstract. We propose a variant of the “bonsai tree” signature scheme, a latticebased existentially unforgeable signature scheme in the standard model. Our construction offers ...
CRYPTO
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. The study of deterministic public-key encryption was initiated by Bellare et al. (CRYPTO '07), who provided the "strongest possible" notion of security for...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
Since the formalization of ring signature by Rivest, Shamir and Tauman in 2001, there are lots of variations appeared in the literature. Almost all of the variations rely on the ra...
ACNS
2010
Springer
13 years 10 months ago
2010
Springer
Verifiably encrypted signature schemes (VES) allow a signer to encrypt his or her signature under the public key of a trusted third party, while maintaining public signature verifi...
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...