Basic Cryptography Online Exam Quiz
Basic Cryptography GK Quiz. Question and Answers related to Basic Cryptography. MCQ (Multiple Choice Questions with answers about Basic Cryptography
Using SDES, the Plaintext for the Ciphertext 00001111, given that the key is 1111111111 is,
Options
A : 01100111
B : 00001010
C : 11111111
D : 01101101
Using Differential Crypt-analysis, the minimum computations required to decipher the DES algorithm is-
Options
A : 256
B : 243
C : 255
D : 247
What is the block size in the Simplified AES algorithm?
Options
A : 8 bits
B : 40 bits
C : 16 bits
D : 36 bits
12. For p = 11 and q = 17 and choose e=7. Apply RSA algorithm where Cipher message=11 and thus find the plain text.
Options
A : 88
B : 122
C : 143
D : 111
Which function can be used in AES multiplication –
Options
A : m(x)=x7+x4+x3
B : m(x)=x8+x4+x3+x+1
C : m(x)=x8+x3+x2+x+1
D : m(x)=x8+x5+x3+x
Reduce the following Big-O notation. O[ en + an10] =
Options
A : O[ an10].
B : O[ n10 ].
C : O[ en ].
D : O[ en+ n10 ].
Reduce the following Big-O notation. O[ ax7 + 3 x3 + sin(x)] =
Options
A : O[ax7].
B : O[sin(x)].
C : O[x7].
D : O[x7 + x3].
In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ______________
Options
A : Scaling of the existing bits
B : Duplication of the existing bits
C : Addition of zeros
D : Addition of ones
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