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Question

What is a challenge response in the context of software copy protection mechanisms?

a.

A well-known authentication protocol used for authenticating specific users or computers in computer networks

b.

A unique machine identifier used during installation to register a user with the software vendor

c.

An encryption key known only to the user and software vendor

d.

A response generated by the software vendor that is mathematically confirmed to be valid during installation

Posted under Reverse Engineering

Answer: (a).A well-known authentication protocol used for authenticating specific users or computers in computer networks Explanation:A challenge response is a well-known authentication protocol typically used for authenticating specific users or computers in computer networks. This protocol can be used in the context of software copy protection mechanisms.

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Q. What is a challenge response in the context of software copy protection mechanisms?

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