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m kn n 0k − ∑ =

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Podmiot A chcący przesłać poufnie do podmiotu B podpisaną przez siebie wiadomość m =<br />

1368797 oblicza:<br />

s = m dA mod n A = 1368797 37726937 mod 62894113 = 59847900<br />

c = s eB mod n B = 59847900 5 mod 55465219 = 38842235<br />

Podmiot B odszyfrowując i weryfikując podpis podmiotu A oblicza:<br />

s’ = c dB mod n B = 38842235 44360237 mod 55465219 = 4382681<br />

m’ = s’ eA mod n A = 4382681 5 mod 62894113 = 54383568<br />

m ≠ m’ (!!!)<br />

W.Chocianowicz – Kryptologia – semestr zimowy 2008/2009<br />

str.126

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