What will be the ciphered text if the string “SANFOUNDRY” is given as input to the code of playfair cipher with keyword as “SECRET” (assuming j is combined with i)?(a) ZHQAPNPAFR(b) AHQAPNPAFR(c) HAQAPNPAFR(d) QHAAPNPAFRThe question was asked in unit test.My question comes from Cryptography topic in division Cryptography of Data Structures & Algorithms II

What will be the ciphered text if the string “SANFOUNDRY” is given

1.	What will be the ciphered text if the string “SANFOUNDRY” is given as input to the code of playfair cipher with keyword as “SECRET” (assuming j is combined with i)?(a) ZHQAPNPAFR(b) AHQAPNPAFR(c) HAQAPNPAFR(d) QHAAPNPAFRThe question was asked in unit test.My question comes from Cryptography topic in division Cryptography of Data Structures & Algorithms II
Answer» Correct option is (b) AHQAPNPAFR Easiest EXPLANATION - For encrypting the plain text using PLAYFAIR cipher we use a 5×5 table that is constructed by using keyword. Then we apply rules for ENCRYPTION in ORDER to get the ciphered text. Table is GIVEN as under-

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