A leakage resilient mode of operation

K.Z. Pietrzak, in:, Springer, 2009, pp. 462–482.

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LNCS
Abstract
A weak pseudorandom function (wPRF) is a cryptographic primitive similar to - but weaker than - a pseudorandom function: for wPRFs one only requires that the output is pseudorandom when queried on random inputs.We show that unlike "normal" PRFs, wPRFs are seedincompressible, in the sense that the output of a wPRF is pseudorandom even if a bounded amount of information about the key is leaked. As an application of this result we construct a simple mode of operation which - when instantiated with any wPRF - gives a leakage-resilient stream-cipher. The implementation of such a cipher is secure against every side-channel attack, as long as the amount of information leaked per round is bounded, but overall can be arbitrary large. The construction is simpler than the previous one (Dziembowski-Pietrzak FOCS'08) as it only uses a single primitive (a wPRF) in a straight forward manner.
Publishing Year
Date Published
2009-05-28
Volume
5479
Page
462 - 482
Conference
CRYPTO: International Cryptology Conference
IST-REx-ID

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Pietrzak KZ. A leakage resilient mode of operation. In: Vol 5479. Springer; 2009:462-482. doi:10.1007/978-3-642-01001-9_27
Pietrzak, K. Z. (2009). A leakage resilient mode of operation (Vol. 5479, pp. 462–482). Presented at the CRYPTO: International Cryptology Conference, Springer. https://doi.org/10.1007/978-3-642-01001-9_27
Pietrzak, Krzysztof Z. “A Leakage Resilient Mode of Operation,” 5479:462–82. Springer, 2009. https://doi.org/10.1007/978-3-642-01001-9_27.
K. Z. Pietrzak, “A leakage resilient mode of operation,” presented at the CRYPTO: International Cryptology Conference, 2009, vol. 5479, pp. 462–482.
Pietrzak KZ. 2009. A leakage resilient mode of operation. CRYPTO: International Cryptology Conference, LNCS, vol. 5479. 462–482.
Pietrzak, Krzysztof Z. A Leakage Resilient Mode of Operation. Vol. 5479, Springer, 2009, pp. 462–82, doi:10.1007/978-3-642-01001-9_27.

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