Encrypt "This is the final exam" with Playfair cipher using key "Guidance". Explain the steps involved.

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written 6.5 years ago by

teamques10 ★ 70k

modified 3.8 years ago by

pedsangini276 • 4.8k

cryptography and network security

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written 6.5 years ago by

teamques10 ★ 70k

• modified 4.1 years ago

The secret key in playfair cipher is made of 25 alphabet letters arranged in a 5 X 5 matrix in which I & J are considered the same when encrypting
- Different arrangements of the letters in the matrix can create many different secret keys

G	U	I/J	D	A
N …

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