As methods of information collection and distribution are totally changed, there is huge increase in its volume and speed due to emerging communication technologies and latest computing machines. Most of the multi-national companies and government are dependent on electronic means of information transmission. If these important messages were unprotected, then thief can easily tap these messages and get account information leading to illegal transactions. Messages are sending to computer by ATM, then computer replies ATM with certain messages, which contain secret information regarding account balance of the individual, through which withdrawal occurs. For instance, the communications take place between an automatic teller machine (ATM) and computer. Introductionĭata Encryption Standard is also incorporated in various communication channels. In structured standards development process Data Encryption Standard has been a forerunner.
FIPS was integrated with computer security program within its relevant institution. Federal Information Processing Standard (FIPS) was also working on DES. Cryptography was also used in commercial sector. Without cryptography it’s difficult to interpret military communication. Government was also using cryptography, especially in diplomatic communication and military. It was prepared by IBM Team in 1974 and declared as national standard in 1977. The Data which is encrypted by symmetric key method is called Data Encryption Standard (DES). Last updated at Fri, 17:11:46 GMT Synopsis
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