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EUROCRYPT
1999
Springer
13 years 11 months ago
Conditional Oblivious Transfer and Timed-Release Encryption
Abstract. We consider the problem of sending messages into the future." Previous constructions for this task were either based on heuristic assumptions or did not provide anon...
Giovanni Di Crescenzo, Rafail Ostrovsky, Sivaramak...
IACR
2011
89views more  IACR 2011»
12 years 7 months ago
Identity-Based Decryption
Identity-based decryption is an alternative to identity-based encryption, in which Alice encrypts a symmetric key for Bob under a trusted authority’s public key. Alice sends Bob...
Daniel R. L. Brown
PKC
2012
Springer
279views Cryptology» more  PKC 2012»
11 years 10 months ago
Circular and KDM Security for Identity-Based Encryption
We initiate the study of security for key-dependent messages (KDM), sometimes also known as “circular” or “clique” security, in the setting of identity-based encryption (I...
Jacob Alperin-Sheriff, Chris Peikert
ACISP
2006
Springer
13 years 11 months ago
Efficient Identity-Based Signatures Secure in the Standard Model
The only known construction of identity-based signatures that can be proven secure in the standard model is based on the approach of attaching certificates to non-identity-based si...
Kenneth G. Paterson, Jacob C. N. Schuldt
ACNS
2008
Springer
138views Cryptology» more  ACNS 2008»
14 years 1 months 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...