Question

How does a dongle-based protection scheme work?

a.

The protected program checks that the dongle is installed by calling into a device driver.

b.

The dongle contains something that the program needs to run, such as an encryption key.

c.

The program is divided into numerous small chunks that are each encrypted using a different key.

d.

The dongle encrypts the program binaries and stores the decryption key safely inside the dongle.

Posted under Reverse Engineering

Answer: (b).The dongle contains something that the program needs to run, such as an encryption key. Explanation:In a dongle-based protection scheme, the dongle contains something that the program needs to run, such as an encryption key. The decryption key is not available anywhere on the installation CD—it is stored safely inside the dongle.

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