Encrypt plaintext using vigenere cipher

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Reference no: EM1363941

Another variation of Additive cipher uses a keyword instead of a single key. This cipher is called Vigenere cipher. Both variations work exactly the same. For details about Vigenere cipher, check textbook (Forouzan) p.g:72.

a) Encrypt the following Plaintext using Vigenere cipher:
Plaintext: stocks market is falling
Key : one

b) Is Vigenere cipher monoalphabetic or polyalphabetic? Why?

Reference no: EM1363941

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