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EUROCRYPT
1998
Springer
13 years 10 months ago
Auto-Recoverable Auto-Certifiable Cryptosystems
Abstract. This paper introduces a cryptographic paradigm called selfescrowed encryption, a concept initiated by kleptography. In simple words, a self-escrowed public-key cryptosyst...
Adam Young, Moti Yung
CRYPTO
2006
Springer
224views Cryptology» more  CRYPTO 2006»
13 years 9 months ago
Anonymous Hierarchical Identity-Based Encryption (Without Random Oracles)
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...
Xavier Boyen, Brent Waters
ACNS
2008
Springer
138views Cryptology» more  ACNS 2008»
14 years 9 days ago
Traceable and Retrievable Identity-Based Encryption
Abstract. Very recently, the concept of Traceable Identity-based Encryption (IBE) scheme (or Accountable Authority Identity based Encryption scheme) was introduced in Crypto 2007. ...
Man Ho Au, Qiong Huang, Joseph K. Liu, Willy Susil...
PKC
2007
Springer
189views Cryptology» more  PKC 2007»
14 years 2 days ago
Parallel Key-Insulated Public Key Encryption Without Random Oracles
Abstract. Key-insulated cryptography is a crucial technique for protecting private keys. To strengthen the security of key-insulated protocols, Hanaoka, Hanaoka and Imai recently i...
Benoît Libert, Jean-Jacques Quisquater, Moti...
CRYPTO
2010
Springer
197views Cryptology» more  CRYPTO 2010»
13 years 7 months ago
Lattice Basis Delegation in Fixed Dimension and Shorter-Ciphertext Hierarchical IBE
We present a technique for delegating a short lattice basis that has the advantage of keeping the lattice dimension unchanged upon delegation. Building on this result, we construct...
Shweta Agrawal, Dan Boneh, Xavier Boyen