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Ever since humans started talking, we have been trying to work out a way of communicating information to one person, while… Expand In cryptography, the Advanced Encryption Standard (AES) is an encryption standard adopted by the U.S. government. The standard… Expand Abstract In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure… Expand We study the problem of searching on data that is encrypted using a public key system. Consider user Bob who sends email to user… Expand Encryption is a well established technology for protecting sensitive data. However, once encrypted, data can no longer be easily… Expand In this paper, we describe the Advanced Encryption Standard (AES), which has been approved after an international competition by… Expand Secure and authenticated message delivery/storage is one of the major aims of computer and communication security research. The… Expand This document describes the RC5 encryption algorithm, a fast symmetric block cipher suitable for hardware or software… Expand Given an arbitrary k-bit to k-bit trapdoor permutation f and a hash function, we exhibit an encryption scheme for which (i) any… Expand Presentation de la norme americaine de codage des donnees informatisees (DES: Data Encryption Standard). Adaptee par l'Agence… Expand