(5) Elgamal public key cryptosystem (decryption): Start with the prime p = 17 and the primitive root g = 3. Alice sends Bob the public key A = 5. Bob encrypts the message m and sends the pair of numbers (8,2) to Alice. Alice's secret key is a = 5. Using Elgamal public key decryption, Alice computes the plaintext message m from the ciphertext (8, 2). What is the number m that Alice obtains?
(5) Elgamal public key cryptosystem (decryption): Start with the prime p = 17 and the primitive root g = 3. Alice sends Bob the public key A = 5. Bob encrypts the message m and sends the pair of numbers (8,2) to Alice. Alice's secret key is a = 5. Using Elgamal public key decryption, Alice computes the plaintext message m from the ciphertext (8, 2). What is the number m that Alice obtains?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![(5) Elgamal public key cryptosystem (decryption):
Start with the prime p = 17 and the primitive root g = 3.
Alice sends Bob the public key A = 5.
Bob encrypts the message m and sends the pair of numbers (8,2) to Alice.
Alice's secret key is a = 5.
Using Elgamal public key decryption, Alice computes the plaintext message
m from the ciphertext (8, 2). What is the number m that Alice obtains?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5c5ad030-3ec8-4fd2-8d64-821b0d0d0877%2F5f941481-fdff-4b3e-b29a-cc820005b245%2Fuowpked_processed.png&w=3840&q=75)
Transcribed Image Text:(5) Elgamal public key cryptosystem (decryption):
Start with the prime p = 17 and the primitive root g = 3.
Alice sends Bob the public key A = 5.
Bob encrypts the message m and sends the pair of numbers (8,2) to Alice.
Alice's secret key is a = 5.
Using Elgamal public key decryption, Alice computes the plaintext message
m from the ciphertext (8, 2). What is the number m that Alice obtains?
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