Question: (2) Example of RSA algorithm (the most widely accepted and implemented approach to Public Key Encryption): (Ron Rivest, Adi Shamir, and Len Adleman received 2002

(2) Example of RSA algorithm (the most widely accepted and implemented

(2) Example of RSA algorithm (the most widely accepted and implemented approach to Public Key Encryption): (Ron Rivest, Adi Shamir, and Len Adleman received 2002 Turing Award) Encryption: Given plaintext (88), 887mod187=11 (Ciphertext) (Public Key =7,187) Decryption: Given ciphertext (11), 1123mod187=88 (Plaintext) (Private Key =23,187) Key generation: Select p,q (prime numbers, p=q ), calculate n=pq, then calculate (n)=(p1)(q1). Select e such that e is relatively prime to (n) and (n). Encryption: C=Me(modn) Decryption: M=Cd (mode n ) p=17,q=11,n=pq=1711=187.(n)=1610=160. We choose e=7 Determine d such that de mod160=1 and

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