177 search results - page 15 / 36 » On the Security of Identity Based Ring Signcryption Schemes |
ASIACRYPT
2009
Springer
14 years 2 months ago
2009
Springer
We demonstrate how the framework that is used for creating efficient number-theoretic ID and signature schemes can be transferred into the setting of lattices. This results in cons...
ACNS
2007
Springer
14 years 1 months ago
2007
Springer
In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have ...
AAECC
2006
Springer
14 years 1 months ago
2006
Springer
The Fujisaki-Okamoto (FO) conversion is widely known to be able to generically convert a weak public key encryption scheme, say one-way against chosen plaintext attacks (OW-CPA), t...
ACISP
2005
Springer
14 years 1 months ago
2005
Springer
We present the first group signature scheme with provable security and signature size O(λ) bits where the group manager, the group members, and the Open Authority (OA) are all id...
ACNS
2008
Springer
14 years 1 months ago
2008
Springer
Abstract. Very recently, the concept of Traceable Identity-based Encryption (IBE) scheme (or Accountable Authority Identity based Encryption scheme) was introduced in Crypto 2007. ...