Welcome to the resource topic for 2012/358
Title:
PICARO - A Block Cipher Allowing Efficient Higher-Order Side-Channel Resistance – Extended Version –
Authors: Gilles Piret, Thomas Roche, Claude Carlet
Abstract:Many papers deal with the problem of constructing an efficient masking scheme for existing block ciphers. We take the reverse approach: that is, given a proven masking scheme (Rivain and Prouff, CHES 2010) we design a block cipher that fits well the masking constraints. The difficulty of implementing efficient masking for a block cipher comes mainly from the S-boxes. Therefore the choice of an adequate S-box is the first and most critical step of our work. The S-box we selected is non-bijective; we discuss the resulting design and security problems. A complete design of the cipher is given, as well as some implementation results.
ePrint: https://eprint.iacr.org/2012/358
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