2. (a) Given the RSA public key (3,70747) and private key (46811,70747).

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
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Chapter8: Data And Network Communication Technology
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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.
Transcribed Image 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.
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