Recently, the security of existing symmetric cryptographic algorithms and protocols has been
threatened by new performance challenges and vulnerabilities. In this paper, we propose a …

The development of modern cryptography is associated with the emergence of computing
machines. Since specialized equipment for protection of sensitive information was initially …

Generally, encryption it's an encoding information process in order to provided security
against unauthorized access. Nowadays, there are different types of cryptographic methods …

Today several Institutions, organizations, companies and research centers deal with
hundreds of gigabytes or terabytes of the massive amount of renewable data every day. This …

Internet and networks applications are growing very fast. So the importance and the value of
the exchanged data over the internet are increasing. Information Security has been very …

Battlefield systems have been shifting to Network-Centric Warfare since the Gulf War (1991).
In such systems, computers are connected via encrypted networks, which require …

Cryptography is the first line of defense to protect the data from intruder. Symmetric
cryptography and asymmetric cryptography are two cryptographic based algorithms that …

Abstract [eng] The efficiency of realization of a new asymmetric cipher in microprocessors is
presented. The cipher is based on the matrix power function and therefore to the contrary of …

Symmetric key block cipher for different algorithms presented in this field according to
classified it in cryptography where we classified into categories. first, Mode of operation …

Cryptography or cryptology is a Greek word it means' hidden'. It involves the blotting out of
the specials meaning of letters, but not their existence. It is the one of the main categories of …