White Box Cryptography: Another Attempt

Julien Bringer; Herve Chabanne; Emmanuelle Dottax

Paper 2006/468

White Box Cryptography: Another Attempt

Julien Bringer, Herve Chabanne, and Emmanuelle Dottax

Abstract

At CMS 2006 Bringer et al. show how to conceal the algebraic structure of a ``traceable block cipher'' by adding perturbations to its description. We here exploit and strengthen their ideas by further perturbing the representation of a cipher towards a white box implementation. Our technique is quite general, and we apply it -- as a challenging example in the domain of white box cryptography -- to a variant of the block cipher AES.

Note: Our previous attempt has been published on the eprint the 11th of December, 2006. Jean-Sebastien Coron pointed out an attack of this previous version to us in [8].

Metadata

Available format(s): PDF
Category: Implementation
Publication info: Published elsewhere. Unknown where it was published
Keywords: white box cryptography obfuscation perturbations AES
Contact author(s): julien bringer @ sagem com
History: 2006-12-20: last of 2 revisions; 2006-12-11: received; See all versions
Short URL: https://ia.cr/2006/468
License: CC BY

BibTeX

@misc{cryptoeprint:2006/468,
      author = {Julien Bringer and Herve Chabanne and Emmanuelle Dottax},
      title = {White Box Cryptography: Another Attempt},
      howpublished = {Cryptology ePrint Archive, Paper 2006/468},
      year = {2006},
      note = {\url{https://eprint.iacr.org/2006/468}},
      url = {https://eprint.iacr.org/2006/468}
}