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Hardware-accelerated SSH on self-reconfigurable systems

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3 Author(s)
Gonzalez, I. ; Escuela Politecnica Superior, Univ. Autonoma de Madrid, Spain ; Gomez-Arribas, F.J. ; Lopez-Buedo, S.

The performance of security applications can be greatly improved by accelerating the cryptographic algorithms in hardware. In this paper, an implementation of the secure shell (SSH) application is presented. A self-reconfigurable platform based on a Xilinx Spartan-3 FPGA has been employed to implement a MicroBlaze-based embedded system, which executes SSH under the uCLinux operative system. Run-time reconfiguration is used to change the cryptographic coprocessors utilized for data ciphering. The performance of SSH has been improved and, in comparison to other alternatives not using reconfiguration, a reduction of the area requirements was also achieved.

Published in:

Field-Programmable Technology, 2005. Proceedings. 2005 IEEE International Conference on

Date of Conference:

11-14 Dec. 2005