Question: 2. This problem explores the use of a one-time pad version of the Vigenre cipher. In this scheme, the key is a stream of random

2. This problem explores the use of a one-time pad version

2. This problem explores the use of a one-time pad version of the Vigenre cipher. In this scheme, the key is a stream of random numbers between 0 and 26. For example, if the key is 3 19 5..., then the first letter of plaintext is encrypted with a shift of 3 letters, the second with a shift of 19 letters, the third with a shift of 5 letters, and so on. a. Encrypt the plaintext sendmoremoney with the key stream 9 0 1 7 23 15 21 14 11 11 2 8 9 Using the ciphertext product t in part (a ), find a key so that the cipher text decrypts to the plaintext cashnotneeded 1

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