A Method of Security Gradation against RSA IEA

Abstract

a key security level gradation method is proposed which is helpful to counter IEA (Iterative Encryption Attack) and provides RSA with favorable immunity against it. Firstly, we analyze the course of IEA in detail, and then present the concept of security grade of key-pair and the hierarchy of grades, and propose an algorithm that grades security grade of… (More)

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