Grila SI 3

A visually striking illustration representing cryptography and algorithms, featuring symbols like locks, keys, and binary code in an abstract design.

Cryptography Knowledge Quiz

Test your knowledge of cryptography and algorithms with this engaging quiz! Dive into questions about hashing functions, encryption methods, and more.

This quiz is perfect for:

  • Cryptography enthusiasts
  • Students of computer science
  • Anyone interested in security practices
10 Questions2 MinutesCreated by CalculatingCipher42
Fie 6 inputuri diferite pentru functia MDS (128 bit),daca pentru primele 5 din acestea, outputul avut ultimul octet 0XFF care este probabilitatea ca si al saselea sa aiba octetul 0XFF la sfarsit:
2-8
2-6
6-1
CORECT Unknown
Care dintre urmatorii algoritmi are complexitate de ordinul O(n2):
bubble-sort
Multiplicarea in precizie arbitrara
Impartirea in precizie arbitrara
Niciuna
Masina Enigma ca mod de functionare poate fi asociata:
Unui cod stream
Unui criptosistem cu cheie publica
Niciunuia din cele mentionate
Niciuna
La ce se refera metoda OAEP:
Un padding pt AES
Un padding pt Diffie-Hellman
Un cod de criptare bloc
CORECT (padding pt RSA)
Fie c=55,modulul n=221 cat poate fi mesajul daca a fost folosit criptosistemul Rabin
 
85
87
86
Niciuna
Daca o functie hash are output pe 32 de biti, ne asteptam la o coliziune arbitrara cu probabilitate de 1/2 dupa aproximativ cate intrari:
512
128
256
CORECT radical din 2^32
Ce gasim la iesire daca L =0x FF si R = 0xEE sunt intrari intr-o runda Feistel cu functia de runda f = identitate:
L=FF,R=EE
L=AA,R=EE
L=11,R=EE
Niciuna
Care este functia EulerPhi pentru intregul n = 100
30
20
40
Niciuna
Daca modulul n=203 care dintre urmatorii exponenti nu poate fi folosit la sistemul RSA:
3
5
7
Niciuna
Fie un modul RSA n=221 si exponentul e=5 cat este exponentul privat d:
55
66
77
Niciuna
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