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EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
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ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
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FSE '01 Revised Papers from the 8th International Workshop on Fast Software Encryption
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EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
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ACM Transactions on Information and System Security (TISSEC)
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FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
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INDOCRYPT'04 Proceedings of the 5th international conference on Cryptology in India
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ProvSec'07 Proceedings of the 1st international conference on Provable security
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This work builds on earlier work by Rogaway at Asiacrypt 2004 on tweakable block cipher (TBC) and modes of operations. Our first contribution is to generalize Rogaway's TBC construction by working over a ring R and by the use of a masking sequence of functions. The ring R can be instantiated as either GF(2n) or as ℤ2n . Further, over GF(2n), efficient instantiations of the masking sequence of functions can be done using either a Linear Feedback Shift Register (LFSR), a powering construction or a cellular automata map. Rogaway's TBC construction was built from the powering construction over GF(2n). Our second contribution is to use the general TBC construction to instantiate general constructions of various modes of operations (AE, PRF, MAC, AEAD) given by Rogaway.