RC6

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RC6 is a block cipher based on RC5. RC6 was designed by Ronald Rivest, Sidney, and Yin of RSA Security. RC6 is a parameterized algorithm where the block size, the key size, and the number of rounds are variable; again, the upper limit on the key size is 2040 bits. The difference between RC5 and RC6 lies in the fact that RC6 was designed to meet the requirements of the AES.

RC6 adds two features to RC5: the inclusion of integer multiplication and the use of four 4-bit working registers instead of RC5’s two 2-bit registers.

See Also

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