on This question regards with solution. cryptography concept. Please solve the following problem By using Autokey Cipher with the key k = 5, decrypt: NOUHBBWRBR Enter your plaintext below with exactly one word in each box in the order. You received the following message that was encrypted by a special type of Permutation Cipher (as discussed in class notes by dividing it into blocks, writing down in rows and columns, and reading by columns) after adding some dummy alphabets at the end of plaintext: nnogodmowdiirosnuncgnthoagiuleetotfxniixgnaxatmx Decrypt the message and write the plaintext as indicated below without the dummy alphabets. Write the first four words of the plaintext: Write the next four words of the plaintext: Write the last four words of the plaintext