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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Experiment 10: Elliptic-curve Diffie–Hellman (ECDH) Key Exchange Protocol

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Beginner

Intermediate

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What is the purpose of the Elliptic-curve Diffie–Hellman (ECDH) Key Exchange Protocol?

a: To encrypt data during transmission. Explanation

Explanation

b: To establish a shared secret key between two parties over an insecure communication channel. Explanation

Explanation

c: To authenticate users in a network. Explanation

Explanation

d: To compress data before transmission. Explanation

Explanation

How is User A's public key calculated in the ECDH Key Exchange Protocol?

a: By adding User A's private key to a fixed constant. Explanation

Explanation

b: By multiplying User A's private key with a generator point on the elliptic curve (G). Explanation

Explanation

c: By subtracting User A's private key from a random number. Explanation

Explanation

d: By dividing User A's private key by a prime number (n). Explanation

Explanation

Why is it important for the private keys (nA and nB) to be chosen such that (nA < n) and (nB < n) in ECDH Key Exchange?

a: To speed up the key exchange process. Explanation

Explanation

b: To ensure that the public keys are small and easy to compute. Explanation

Explanation

c: To prevent potential vulnerabilities and ensure security. Explanation

Explanation

d: To reduce the computational load on the elliptic curve generator. Explanation

Explanation

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