cryptographie2
Authored by Mickael Bettinelli
Computers, Science
University - Professional Development
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7 questions
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1.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
Diffie-Hellman
Trouvez la clé commune à Bob et Alice avec les paramètres suivants:
p = 12
g = 7
a = 6
b = 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Est ce que 21 est l'inverse de 6 sur ℤ/125ℤ ?
Oui
Non
3.
FILL IN THE BLANK QUESTION
1 min • 2 pts
Calculez: pgcd(47, 38)
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Est-ce que 162 et 27 sont premiers entre eux ?
Oui
Non
5.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
En utilisant l'algorithme d'Euclide, calculez le pgcd de 17 et 43.
6.
FILL IN THE BLANK QUESTION
5 mins • 5 pts
Calculez l'inverse de 179 sur Z/180Z
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Comment envoyer les clés partagées aux interlocuteurs lorsqu'on utilise un chiffrement symétrique ?
Utiliser un key distribution center
Utiliser Diffie-Hellman
Utiliser le théorème de Bézout
Utiliser le code de Vigenère
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