@InProceedings{CRRY99a, author = { Scott Contini and Ronald L. Rivest and M. J. B. Robshaw and Yiqun Lisa Yin }, title = { Improved Analysis of some Simplified Variants of RC6 }, pages = { 1--15 }, OPTurl = { http://dx.doi.org/10.1007/3-540-48519-8_1 }, doi = { 10.1007/3-540-48519-8_1 }, booktitle = { Proceedings of the Sixth International Workshop on Fast Software Encryption }, date = { 1999 }, isbn = { 978-3-540-66226-6 }, publisher = { Springer }, editor = { Lars Knudsen }, organization = { IACR }, series = { Lecture Notes in Computer Science }, volume = { 1636 }, OPTyear = { 1999 }, OPTmonth = { March 24--26, }, eventdate = { 1999-03-24/1999-03-26 }, eventtitle = { FSE '99 }, venue = { Rome, Italy }, abstract = { RC6 has been submitted as a candidate for the Advanced Encryption Standard (AES). Two important features of RC6 that were absent from its predecessor RC5 are a quadratic function and a fixed rotation. By examining simplified variants that omit these features we clarify their essential contribution to the overall security of RC6. }, }