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Reverse Engineering Java Card Applets Using Power Analysis

  • Dennis Vermoen
  • Marc Witteman
  • Georgi N. Gaydadjiev
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4462)

Abstract

Power analysis on smart cards is widely used to obtain information about implemented cryptographic algorithms. We propose similar methodology for Java Card applets reverse engineering. Because power analysis alone does not provide enough information, we refine our methodology by involving additional information sources. Issues like distinguishing between bytecodes performing similar tasks and reverse engineering of conditional branches and nested loops are also addressed. The proposed methodology is applied to a commercially available Java Card smart card and the results are reported. We conclude that our augmented power analysis can be successfully used to acquire information about the bytecodes executed on a Java Card smart card.

Keywords

Power Analysis Smart Card Reverse Engineering Nest Loop Execution Trace 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© IFIP International Federation for Information Processing 2007

Authors and Affiliations

  • Dennis Vermoen
    • 1
    • 2
  • Marc Witteman
    • 2
  • Georgi N. Gaydadjiev
    • 1
  1. 1.Computer Engineering, TU DelftThe Netherlands
  2. 2.Riscure BVThe Netherlands

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