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Center for Education and Research in Information Assurance and Security

The RC6 Block Cipher

Author

Ronald L. Rivest, M.J.B. Robshaw, R. Sidney, Y.L. Yin

Entry type

article

Abstract

We introduce the RC6 block cipher. RC6 is an evolutionary improvement of RC5, designed to meet the requirements of the Advanced Encryption Standard (AES). Like RC5, RC6 makes essential use of data-dependent rotations. New features of RC6 include the use of four working registers instead of two, and the inclusion of integer multiplication as an additional primitive operation. The use of multiplication greatly increases the diffusion achieved per round, allowing for greater security, fewer rounds, and increased throughput.

Key alpha

Rivest

Affiliation

M.I.T., RSA Laboratories

Publication Date

0000-00-00

Keywords

RC6, encryption, decryption,

Language

English

Location

A hard-copy of this is in the Papers Cabinet

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