We consider the following problem: a user U wants to store his files in an encrypted form on a remote file server S. Later the user U wants to efficiently retrieve some of the en...
World Wide Web is one of the most important applications on the Internet. Net surfers can browse the Web pages by tracing the links embedded in the hypertexts. However, one will be...
Credentials like passwords or cryptographic key pairs are a means to prove one’s identity to a web server. A practical problem in this context is the question of how a user can t...
Tobias Straub, Thilo-Alexander Ginkel, Johannes Bu...
This paper presents computationally “lightweight” schemes for performing biometric authentication that carry out the comparison stage without revealing any information that can...
Mikhail J. Atallah, Keith B. Frikken, Michael T. G...
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...