Security is one of the most important issues in layout a Digital System. Communication these days digital. Consequently, utmost care must be taken to secure information. This paper specializes techniques used defend facts from thefts and hacks use quit-to-cease encryption decryption. Cryptography thing technique related Encrypting Decrypting messages. We Signature preferred (DSS) Algorithm (DSA...

This article addresses a multi-stage flowshop scheduling problem with equal number of unrelated parallel machines. The objective is to minimize the makespan for a given set of jobs in the system. This problem class is NP-hard in the strong sense, so a hybrid heuristic method for sequencing and then allocating operations of jobs to machines is developed. A number of test problems are randomly ge...