Sciweavers

488 search results - page 84 / 98
» Policy-Based Cryptography and Applications
Sort
View
APLAS
2010
ACM
13 years 8 months ago
Typechecking Higher-Order Security Libraries
Abstract. We propose a flexible method for verifying the security of ML programs that use cryptography and recursive data structures. Our main applications are X.509 certificate ch...
Karthikeyan Bhargavan, Cédric Fournet, Nata...
TCC
2009
Springer
141views Cryptology» more  TCC 2009»
14 years 9 months ago
Weak Verifiable Random Functions
Verifiable random functions (VRFs), introduced by Micali, Rabin and Vadhan, are pseudorandom functions in which the owner of the seed produces a public-key that constitutes a commi...
Zvika Brakerski, Shafi Goldwasser, Guy N. Rothblum...
STOC
2009
ACM
133views Algorithms» more  STOC 2009»
14 years 9 months ago
New direct-product testers and 2-query PCPs
The "direct product code" of a function f gives its values on all k-tuples (f(x1), . . . , f(xk)). This basic construct underlies "hardness amplification" in c...
Russell Impagliazzo, Valentine Kabanets, Avi Wigde...
PKC
2009
Springer
210views Cryptology» more  PKC 2009»
14 years 9 months ago
Controlling Access to an Oblivious Database Using Stateful Anonymous Credentials
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
Scott E. Coull, Matthew Green, Susan Hohenberger
PKC
2009
Springer
126views Cryptology» more  PKC 2009»
14 years 9 months ago
Verifiable Rotation of Homomorphic Encryptions
Similar to verifiable shuffling (or, mixing), we consider the problem of verifiable rotating (and random re-encrypting) a given list of homomorphic encryptions. The offset by which...
Sebastiaan de Hoogh, Berry Schoenmakers, Boris Sko...