The Design of Rijndael
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The use of cryptography, both the encryption and decryption of data is one response to the concerns of securing data files. The Rijndael cipher block, which has been adopted by the National Institute of Standards and technology as the advanced encryption standard, has been used in this study to encrypt and decrypt data. This has been accomplished by encrypting a plain text file and creating an encrypted file in one program, and decrypting the encrypted file back to a plain text file in another program. The increased focus on security has impacted the curriculum, not only in networking and operating systems classes but in programming classes. The use of encryption and decryption of data files fits logically into an intermediate programming class that is within an Information Systems curriculum.