RK11 Varnost in simetrična kriptografija
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Mojca Ciglaric
Used 2+ times
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6 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Do varnostnih incidentov zelo pogosto prihaja zaradi...
napak v kodi aplikacije
napak v strojni opremi
napak v operacijskih sistemih
napak med stolom in tipkovnico
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dekriptirajte Cezarjev kritogram TGICLB,
če je enkripcijski ključ = 2 (C se kriptira v A)
PREDAJ
ZMAGAJ
VIKEND
PRAZNIK
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KAtero operacijo izvaja P-škatla na sliki?
Substitucijo
Permutacijo
Ekspanzijo
Redukcijo
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
KAteri od naštetih kriptografskih postopkov so simetrični?
RSA
DES
AES
Eliptične krivulje
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kateri so sestavni deli S-škatle?
Permutacija, ekspanzija na več bitov, redukcija
Dekoder, permutacija, koder
Koder, ekspanzija, dekoder
Substitucija , nato še ena manjša substitucija.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaj od spodnjega NE velja za DES?
Vsebuje P-škatle in S-škatle
Ključ je dolg 1024 bitov
Izvaja se v 19 iteracijah
Enkripcijski in dekripcijski ključ sta enaka
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