What will be the plain text corresponding to cipher text “SCEFJV” if gronsfeld cipher is used with key “1234”?(a) RABBIT(b) RUSSIA(c) RANGER(d) FRIENDThis question was addressed to me during a job interview.The question is from Cryptography topic in section Cryptography of Data Structures & Algorithms II

What will be the plain text corresponding to cipher text “SCEFJV”

1.	What will be the plain text corresponding to cipher text “SCEFJV” if gronsfeld cipher is used with key “1234”?(a) RABBIT(b) RUSSIA(c) RANGER(d) FRIENDThis question was addressed to me during a job interview.The question is from Cryptography topic in section Cryptography of Data Structures & Algorithms II
Answer» Correct choice is (a) RABBIT To explain: Encryption in GRONSFELD cipher TAKES place by shifting the letters of the plain text by a number GIVEN by the numeric key. So by APPLYING the REVERSE of this method, we get the deciphered text to be “RABBIT”.

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