منابع مشابه
Generalised S - Box Nonlinearity NES / DOC / UIB / WP 5 / 020 / A Matthew
In this paper the (effective) bias of certain generalised linear approximations to the S-box are considered. Whereas, in the literature, the cryptanalyst typically restricts this search to linear approximations over Z2, we here consider linear approximations over Z4 and, more generally still, consider approximations which are linear in the sense that they can be completely factorised into the t...
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ژورنال
عنوان ژورنال: Academic Medicine
سال: 2000
ISSN: 1040-2446
DOI: 10.1097/00001888-200007000-00017