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Elastic Block Ciphers: The Basic Design

Cook, Debra L.; Keromytis, Angelos D.; Yung, Moti

We introduce the concept of an elastic block cipher, which refers to stretching the supported block size of a block cipher to any length up to twice the original block size while incurring a computational workload that is proportional to the block size. We define a method for converting any existing block cipher into an elastic block cipher and mention our analysis of the construction.

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Title
Proceedings of the 2nd ACM Symposium on Information, Computer and Communications Security: 2007, Singapore, March 20-22, 2007
Publisher
ACM
DOI
https://doi.org/10.1145/1229285.1229324

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Academic Units
Computer Science
Published Here
March 14, 2012