Question: 1. Describe an autokey cipher and use it with initial key K1=6 to encrypt a plaintext Information. 2. Describe Random Mapping Cipher and use the

1. Describe an autokey cipher and use it with initial key

1. Describe an autokey cipher and use it with initial key K1=6 to encrypt a plaintext Information. 2. Describe Random Mapping Cipher and use the following table to encrypt a plaintext 'tutorial' and 'Homework' Plaintext Alphabet a b c d e f & nijkmno p q r s t u v w x y z Ciphertext Alphabet DEFGHIJKLMNOPQRSTUVWXYZ ABC 3. Use the additive cipher with K=10 to encrypt a plaintext "Homework". Note that: Operation is in modulo 26

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