Brandon Dravie

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This paper studies the security level expected by the canonical form of the Self-Synchronizing Stream Cipher (SSSC). A SSSC can be viewed as the combination of a shift register together with a filtering function. The maximum security of such a cipher is reached when the filtering function is random. However, in practice, Pseudo Random Functions (PRF) are(More)
This paper aims at giving a unified overview on the various representations of vectorial Boolean functions, namely the Walsh matrix, the correlation matrix and the adjacency matrix. A new representation called polynomial matrix is introduced. It is shown that those different representations are similar. For a vectorial Boolean function with the same number(More)
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