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Assinatura Digital - Unicamp

Assinatura Digital - Unicamp

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Introdução à Criptografia<br />

A operação de signcryption<br />

utilizando RSA<br />

|N A | = |N B | = k<br />

σ := Padding(M, r) d A<br />

(mod N A )<br />

σ < N A < 2 k<br />

σ ′ := σ − 2 k−1<br />

σ ′ < 2 k−1 < N B<br />

IC-UNICAMP 2008

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