Question

How does a trivial implementation of a dongle-based protection work?

a.

The protected program checks that the dongle is installed and keeps running if it is present.

b.

The protected program checks that the dongle is installed and exits if it is not present.

c.

The protected program checks that the dongle is installed and runs regardless of whether it is present or not.

d.

The protected program does not check whether the dongle is installed.

Posted under Reverse Engineering

Answer: (b).The protected program checks that the dongle is installed and exits if it is not present. Explanation:In a trivial implementation of a dongle-based protection, the protected program checks that the dongle is installed, and if it is not, the program notifies the user that the dongle isn’t available and exits.

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