Alice publishes her RSA public key: modulus n= 27455269 and exponent e = 191. (a) Bob wants to send Alice the message m = 27453912. What ciphertext does Bob send to Alice? (b) Alice knows that her modulus factors into a product of two primes, one of which is p = 5011. Find a decryption exponent d for Alice. (c) Alice receives the ciphertext c= 5329179 from Bob. Decrypt the message.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Alice publishes her RSA public key: modulus n = 27455269 and exponent e = 191.
(a) Bob wants to send Alice the message m = 27453912. What ciphertext does Bob send to
Alice?
(b) Alice knows that her modulus factors into a product of two primes, one of which is
p = 5011. Find a decryption exponent d for Alice.
(c) Alice receives the ciphertext c= 5329179 from Bob. Decrypt the message.
Transcribed Image Text:Alice publishes her RSA public key: modulus n = 27455269 and exponent e = 191. (a) Bob wants to send Alice the message m = 27453912. What ciphertext does Bob send to Alice? (b) Alice knows that her modulus factors into a product of two primes, one of which is p = 5011. Find a decryption exponent d for Alice. (c) Alice receives the ciphertext c= 5329179 from Bob. Decrypt the message.
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