42 search results - page 1 / 9 » Group Encryption: Non-interactive Realization in the Standar... |
FOCS
1999
IEEE
13 years 11 months ago
1999
IEEE
We introduce the notion of non-malleable noninteractive zero-knowledge (NIZK) proof systems. We show how to transform any ordinary NIZK proof system into one that has strong non-m...
ASIACRYPT
2009
Springer
14 years 1 months ago
2009
Springer
Group encryption (GE) schemes, introduced at Asiacrypt’07, are an encryption analogue of group signatures with a number of interesting applications. They allow a sender to encryp...
CRYPTO
2006
Springer
13 years 10 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...
PKC
2010
Springer
13 years 8 months ago
2010
Springer
ded abstract of this paper appears in 13th International Conference on Practice and Theory in Public Key Cryptography (PKC) 2010, Lecture Notes in Computer Science Vol. ?, P. Nguye...
EUROCRYPT
2009
Springer
14 years 7 months ago
2009
Springer
Currently, there are relatively few instances of "hash-and-sign" signatures in the standard model. Moreover, most current instances rely on strong and less studied assum...