2. (a) Given the RSA public key (3,70747) and private key (46811,70747). • Encrypt the letter 'z2' using its ASCII value. • Decrypt the result from the subtask above and generate the original text. •...

Extracted text: 2. (a) Given the RSA public key (3,70747) and private key (46811,70747). • Encrypt the letter 'z2' using its ASCII value. • Decrypt the result from the subtask above and generate the original text. • Encrypt the word Cyber' two characters at a time padding with a space. • Decrypt the following three blocks 14520 66071 27623. The blocks are the encryption of a five-letter word, encrypted two characters at a time and padded with a space. Recover the word. • The blocks are the encryption of a five letter word, encrypted two characters at a time and padded with a space. Recover the word. • Determine the maximum block size, in bits, that this modulus can encrypt and decrypt.