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Paper 2012/126
Compact Implementation of Threefish and Skein on FPGA
Nuray At and Jean-Luc Beuchat and Ismail San
Abstract
The SHA-3 finalist Skein is built from the tweakable Threefish block cipher. In order to have a better understanding of the computational efficiency of Skein (resource sharing, memory access scheme, scheduling, etc.), we design a low-area coprocessor for Threefish and describe how to implement Skein on our architecture. We harness the intrinsic parallelism of Threefish to design a pipelined ALU and interleave several tasks in order to achieve a tight scheduling. From our point of view, the main advantage of Skein over other SHA-3 finalists is that the same coprocessor allows one to encrypt or hash a message.
Metadata
- Available format(s)
- Category
- Implementation
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- SHA-3SkeinFPGA
- Contact author(s)
- jeanluc beuchat @ gmail com
- History
- 2012-03-13: received
- Short URL
- https://ia.cr/2012/126
- License
-
CC BY