Biblio

In the field of communication, the need for cryptography is growing faster, so it is very difficult to achieve the objectives of cryptography such as confidentiality, data integrity, non-repudiation. To ensure data security, key scheduling and key management are the factors which the algorithm depends. In this paper, the enciphering and deciphering process of the SERPENT algorithm is done using the graphical programming tool. It is an algorithm which uses substitution permutation network procedure which contains round function including key scheduling, s-box and linear mixing stages. It is fast and easy to actualize and it requires little memory.