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» First CPIR Protocol with Data-Dependent Computation
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ICISC
2009
146views Cryptology» more  ICISC 2009»
13 years 2 months ago
First CPIR Protocol with Data-Dependent Computation
We design a new (n, 1)-CPIR protocol BddCpir for -bit strings as a combination of a noncryptographic (BDD-based) data structure and a more basic cryptographic primitive (communicat...
Helger Lipmaa
ISW
2010
Springer
13 years 2 months ago
Efficient Computationally Private Information Retrieval from Anonymity or Trapdoor Groups
A Private Information Retrieval (PIR) protocol allows a database user, or client, to obtain information from a data- base in a manner that prevents the database from knowing which...
Jonathan T. Trostle, Andy Parrish
CISC
2009
Springer
154views Cryptology» more  CISC 2009»
13 years 2 months ago
Efficient Generalized Selective Private Function Evaluation with Applications in Biometric Authentication
In a selective private function evaluation (SPFE) protocol, the client privately computes some predefined function on his own input and on m out of server's n database element...
Helger Lipmaa, Bingsheng Zhang