370 search results - page 52 / 74 » Limits of Constructive Security Proofs |
TIT
2008
13 years 8 months ago
2008
An extractor is a function that is used to extract randomness. Given an imperfect random source X and a uniform seed Y , the output (X; Y ) is close to uniform. We study properties...
TRUSTBUS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Existing policy languages suffer from a limited ability of directly and elegantly expressing high-level access control principles such as history-based separation of dut...
ESORICS
2009
Springer
14 years 8 months ago
2009
Springer
Abstract. Several generic constructions for transforming one-way functions to asymmetric encryption schemes have been proposed. One-way functions only guarantee the weak secrecy of...
ACNS
2008
Springer
14 years 2 months ago
2008
Springer
Abstract. Very recently, the concept of Traceable Identity-based Encryption (IBE) scheme (or Accountable Authority Identity based Encryption scheme) was introduced in Crypto 2007. ...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
Hash tables are fundamental data structures that optimally answer membership queries. Suppose a client stores n elements in a hash table that is outsourced at a remote server so t...