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Detecting faults in four symmetric key block ciphers

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3 Author(s)
Breveglieri, L. ; Dept. of Electron. & Inf. Technol., Politecnico di Milano, Italy ; Koren, I. ; Maistri, P.

Fault detection in encryption algorithms is gaining in importance since fault attacks may compromise even recently developed cryptosystems. We analyze the different operations used by various symmetric ciphers and propose possible detection codes and frequency of checking. Several examples (i.e., AES, RC5, DES and IDEA) are presented to illustrate our analysis.

Published in:

Application-Specific Systems, Architectures and Processors, 2004. Proceedings. 15th IEEE International Conference on

Date of Conference:

27-29 Sept. 2004