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ACNS
2009
Springer
13 years 4 months ago
2009
Springer
In this paper, we propose a notion of threshold tag-based encryption schemes that simplifies the notion of threshold identity-based encryption schemes, and we show a conversion fro...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We introduce a primitive called Hierarchical Identity-Coupling Broadcast Encryption (HICBE) that can be used for constructing efficient collusion-resistant public-key broadcast enc...
ASIACRYPT
2008
Springer
13 years 8 months ago
2008
Springer
Recently Cash, Kiltz, and Shoup [20] showed a variant of the Cramer-Shoup (CS) public key encryption (PKE) scheme [21] whose chosen-ciphertext (CCA) security relies on the computa...
ISW
1997
Springer
13 years 9 months ago
1997
Springer
Signcryption is a new paradigm in public key cryptography that simultaneously fulfills both the functions of digital signature and public key encryption in a logically single step,...
ESORICS
2004
Springer
13 years 11 months ago
2004
Springer
This work presents a practical public-key encryption scheme that offers security under adaptive chosen-ciphertext attack (CCA) and has pseudo-random ciphertexts, i.e. ciphertexts ...