George owns a company that produces mobile phones to end users. George’s company

Question

George owns a company that produces mobile phones to end users. George’s company must keep up with other competitors therefore during a company meeting George announced that he will be making changes to their new upcoming mobile device. George’s company follows a strict confidentiality policy when it comes to the exchange of information. To prevent the leakage of information during transmission George also informed his employees during the meeting that he will be sending them instructions encrypted under Caesar cipher followed by another substitution where the key is 234. Employees received the following cipher text.

NTJWKHXK AMK WWUJJYZTX MWKXZKUHE

What is the plain text?

Explanation / Answer

Key: 234

Cipher text: NTJWKHXK AMK WWUJJYZTX MWKXZKUHE

Here, since the key 234 so 234%26 = 0 which means there will be no shifting of alphabets.

The plain text will be the same as cipher text.

So, the plain text will also be NTJWKHXK AMK WWUJJYZTX MWKXZKUHE

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