Method and system for diversification of a basic key and for authentication of a thus-diversified key
作者： Michel Hazard
DOI:
关键词: Theoretical computer science 、 Diversification (finance) 、 Basis (linear algebra) 、 Computer science 、 Key (lock) 、 Authentication 、 Memory cards 、 Initialization 、 Arithmetic 、 Certificate 、 Transformation (function)
摘要: The subject of the invention is a method for diversification basic key and authentication thus-diversified as having been fashioned on basis predetermined key, system performing method. An initializing calculates diversified (Sd) (Sb) processed by biunique combination transformation (T). recorded in memory (M3) user card (CU3) authenticated an exploitation (4), which certificate (Sb), while its (Sd). These certificates must be identical, taken into account properties applicable particular to secret keys cards.
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