Q. Is cracking commercial copy protection mechanisms legal?

View solution

Q. Why is heavy inlining used in Defender?

View solution

Q. What is dongle protection?

View solution

Q. Why is generating decryption keys in runtime important?

View solution

Q. What is the disadvantage of user-input-based decryption keys?

View solution

Q. What would make cracking Defender more difficult?

View solution

Q. Why was the Chained Block Cipher in Defender crackable?

View solution

Q. What is the purpose of dongle protection?

View solution

Q. How does Defender generate decryption keys?

View solution

Q. What is a cryptographic hash algorithm?

View solution

Q. How does Defender use interdependent keys?

View solution

Q. What are interdependent keys?

View solution

Q. What is the advantage of generating decryption keys in runtime?

View solution

Q. What should be done with the verification thread in a commercial product environment?

View solution

Q. Why should the actual checksum verifications be inlined?

View solution

Q. What is the purpose of adding periodical checksum calculations from the main thread?

View solution

Q. What priority should the verification thread be set to in a commercial product environment?

View solution

Q. What changes should be made to the counter constant in a commercial product environment?

View solution

Q. Is the current implementation of the verification thread safe for commercial use?

View solution

Q. What modifications can be made to a time-stamp verification thread to make it more difficult to remove?

View solution