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Solve the following questions 1 ) a ) p = 1 9 ve = 3 Z 1 9 ' da pirimitif kok ise Z 1

Solve the following questions
1)
a)p=19 ve =3Z19'da pirimitif kok ise Z19'da log35=4 olduunu gosterin.
b)GF(23)' de P(x)=x3+x+1 irreducible bir polinom ise A(x)=x ve B(x)=x2+x polinamiannum Bulmus olduunuz sonulan dorulayn.
2)
a) RSA Kriptosistemi Algoritmasn tanmlayan ve a.b1(mod &(n)) gzmnde bulundurularak ciphertexten plantexte nasl ulalr gsterin RSA da b=1 ve b=2 nin neden seilemeyeceini aklaynz.
b) Alice ve Bob RSA kriptosistemini kullandnda arraya Eve girerek ak anahtarlar(n,b) ve de (p+q) deerlerini bildiini varsayarsak ifreli mesaj krabileceini gsterin.
3) Diffie-Hellman anahtar diiim protokolnde ortadaki adam saldrs nasl yaplr?
4)
a) ElGamal ifreleme Algoritmasna gre ayn k deeri ile ifrelenmi metinlerin deerlerini (x 1 mesaj)ifrelenmi hali (y1,y21) ve x mesajnn ifrelenmi hali (y1,y22) ele geiren saldrgan x1 mesajnrd takdirde x mesajm krabilir mi? Krabilir ise nasl krabileceini gsterin.
b) E: Y^2X^3+2X+3(mod5) erisi zerinde a=(1,1), p=(3,4) olduunda Alice k=3 seerek x=(3,1)'i ifreleme yntemi ile Elgamal ifreleyerek gnderebilir ise ek(x)=?

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