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Elgamal public key cryptosystem (encryption): Start with the prime p = 13 and the primitive root g = 2. Alice sends Bob the public key A = 3. Bob wants to send the message m = 10 to Alice. Bob chooses the random element k = 3. Using the Elgamal public key cryptosystem, compute the pair of numbers (C₁, C₂) that Bob sends to Alice. Note: Do not work out how Alice computes the plaintext message m from the ciphertext (C₁, C₂).

Elgamal public key cryptosystem (encryption): Start with the prime p = 13 and the primitive root g = 2. Alice sends Bob the public key A = 3. Bob wants to send the message m = 10 to Alice. Bob chooses the random element k = 3. Using the Elgamal public key cryptosystem, compute the pair of numbers (C₁, C₂) that Bob sends to Alice. Note: Do not work out how Alice computes the plaintext message m from the ciphertext (C₁, C₂).

Database System Concepts
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
Chapter1: Introduction
Section: Chapter Questions
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Elgamal public key cryptosystem (encryption): Start with the prime p = 13 and the primitive root g = 2. Alice sends Bob the public key A = 3. Bob wants to send the message m = 10 to Alice. Bob chooses the random element k = 3. Using the Elgamal public key cryptosystem, compute the pair of numbers (C₁, C₂) that Bob sends to Alice. Note: Do not work out how Alice computes the plaintext message m from the ciphertext (C₁, C₂).
Transcribed Image Text:Elgamal public key cryptosystem (encryption): Start with the prime p = 13 and the primitive root g = 2. Alice sends Bob the public key A = 3. Bob wants to send the message m = 10 to Alice. Bob chooses the random element k = 3. Using the Elgamal public key cryptosystem, compute the pair of numbers (C₁, C₂) that Bob sends to Alice. Note: Do not work out how Alice computes the plaintext message m from the ciphertext (C₁, C₂).
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