5 search results - page 1 / 1 » Fully Secure Anonymous HIBE and Secret-Key Anonymous IBE wit... |
PAIRING
2010
Springer
13 years 2 months ago
2010
Springer
Lewko and Waters [Eurocrypt 2010] presented a fully secure HIBE with short ciphertexts. In this paper we show how to modify their construction to achieve anonymity. We prove the s...
ITIIS
2010
12 years 11 months ago
2010
Anonymous hierarchical identity based encryption (HIBE) is an extension of identity based encryption (IBE) that can use an arbitrary string like an e-mail address for a public key...
CTRSA
2010
Springer
13 years 9 months ago
2010
Springer
A Hierarchical Identity Based Encryption (HIBE) system is anonymous if the ciphertext reveals no information about the recipient’s identity. create it. While there are multiple c...
CRYPTO
2009
Springer
13 years 11 months ago
2009
Springer
We present a new methodology for proving security of encryption systems using what we call Dual System Encryption. Our techniques result in fully secure Identity-Based Encryption ...
CRYPTO
2006
Springer
13 years 8 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...