Computer-Networks

Question 880

What will be the cipher text produced by the following cipher function for the plain text ISRO with key k =7. [Consider ‘A’ = 0, ‘B’ = 1, …….’Z’ = 25].
Ck(M) = (kM + 13) mod 26

A	RJCH
B	QIBG
C	GQPM
D	XPIN

Computer-NetworksCipherISRO CS 2013Video-Explanation

Question 880 Explanation:

Given plain text is: ISRO
key(k)=7
Hashing function:Ck(M) = (kM + 13) mod 26
Alphabets: ‘A’ = 0,

Correct Answer: A

Question 880 Explanation:

Given plain text is: ISRO
key(k)=7
Hashing function:Ck(M) = (kM + 13) mod 26
Alphabets: ‘A’ = 0,

Khushbu Jajoo

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