Discuss about the encryption and decryption techniques

Assignment Help Management Information Sys

Reference no: EM132254218

The Vigenère Cipher is an encryption algorithm that combines the use of a keyword with the message to be encrypted. A tableau is provided that shows an encrypted character for each combination of characters in the message and the keyword.

Using the Vigenère Tableau encryption scheme with a keyword of KEYWORD, encrypt the following message:

IS INFORMATION SECURITY ESSENTIAL

After encrypting the message, decrypt the following message, using KEYWORD as the keyword:

YRJUW WWRIG JTFUW ERECE LCMKL CIWKR R

For both the encryption and decryption, show your work in a Microsoft Word document to substantiate the result. For this, create two different tables.

The first table will have 3 rows and 30 columns. Each column will correspond to an individual character. The first row will correspond to the keyword characters. The second row will correspond to the message to be encrypted. The third row will correspond to the encrypted message.

The second table will have 3 rows and 31 columns. Each column will correspond to an individual character. The first row will correspond to the keyword characters. The second row will correspond to the message to be decrypted. The third row will correspond to the decrypted message.

Reference no: EM132254218

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