Question

How can an emulator program be used to crack a dongle-based protection scheme?

a.

By tracing the traffic between the program and the dongle during runtime to obtain all the necessary keys to the program.

b.

By dividing the program into numerous small chunks that are each encrypted using a different key.

c.

By ripping the decrypted version of the code from memory after the program starts and creating a new program executable that contains the decrypted binary code.

d.

By checking that the dongle is installed by calling into a device driver.

Posted under Reverse Engineering

Answer: (a).By tracing the traffic between the program and the dongle during runtime to obtain all the necessary keys to the program. Explanation:An emulator program can be used to crack a dongle-based protection scheme by tracing the traffic between the program and the dongle during runtime to obtain all the necessary keys to the program. The emulator program can then emulate the dongle and provide all the necessary keys to the program while it is running.

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