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Welcome to the Piracy and Copy Protection MCQs Page

Dive deep into the fascinating world of Piracy and Copy Protection with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Piracy and Copy Protection, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Piracy and Copy Protection, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Reverse Engineering.

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Piracy and Copy Protection MCQs | Page 7 of 13

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Q61.
How do some dongle developers prevent the decrypted version of the code from being ripped from memory?

a.

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

b.

By using a trivial implementation of a dongle-based protection

c.

By designing the dongle so that it contains something that the program needs in order to run

d.

By providing an emulator program that emulates the dongle

Discuss
Answer: (a).By dividing the program into numerous small chunks that are each encrypted using a different key Explanation:One solution employed by some dongle developers has been to divide the program into numerous small chunks that are each encrypted using a different key. During runtime only part of the program remains decrypted in memory at any given moment, and decryption requires different keys for different areas of the program.
Q62.
What is the advantage of including an actual encryption engine within the dongle?

a.

It becomes possible to hide the keys inside the dongle and there is never a need to expose the encryption keys to the untrusted CPU.

b.

It makes it easier to emulate the dongle.

c.

It eliminates the need for a device driver.

d.

It makes it possible to run the program without the dongle attached.

Discuss
Answer: (a).It becomes possible to hide the keys inside the dongle and there is never a need to expose the encryption keys to the untrusted CPU. Explanation:When the dongle actually has a microprocessor and is able to internally decrypt data, it becomes possible to hide the keys inside the dongle and there is never a need to expose the encryption keys to the untrusted CPU. Keeping the encryption keys safe inside the dongle makes it effectively impossible to emulate the dongle.
Q63.
What is Software as a Service?

a.

A model of server-based software

b.

A type of encryption technology

c.

A model of hardware-based protection

d.

A type of cybersecurity threat

Discuss
Answer: (a).A model of server-based software Explanation:Software as a Service can be described as a model of server-based software.
Q64.
Why is server-based software a highly secure protection model?

a.

It is designed to hide data from end-users

b.

It uses powerful encryption ciphers to protect data

c.

The vendor owns and maintains the servers where the program runs

d.

It includes dedicated hardware on the end user's computer

Discuss
Answer: (c).The vendor owns and maintains the servers where the program runs Explanation:Server-based software is a highly secure protection model because the vendor owns and maintains the servers on which the program runs.
Q65.
What is the basic foundation for any good protection technology?

a.

Software-based solutions

b.

Hardware-based solutions

c.

Encryption

d.

Cybersecurity threats

Discuss
Answer: (c).Encryption Explanation:The basic foundation for any good protection technology is encryption.
Q66.
What is the problem with decryption on a computer system?

a.

The decryption key and decrypted data are impossible to hide

b.

The CPU is not designed to perform decryption operations

c.

Encryption cannot be used to protect data

d.

Dedicated hardware cannot be included on the end user's computer

Discuss
Answer: (a).The decryption key and decrypted data are impossible to hide Explanation:The problem with decryption on a computer system is that the decryption key and decrypted data are impossible to hide.
Q67.
What is the solution to the problem of decryption on a computer system?

a.

Use software-based solutions

b.

Include dedicated decryption hardware on the end user's computer

c.

Use powerful encryption ciphers to protect data

d.

Hide data from end-users

Discuss
Answer: (b).Include dedicated decryption hardware on the end user's computer Explanation:The solution to the problem of decryption on a computer system is to include dedicated decryption hardware on the end user's computer, which includes a hidden decryption key that is difficult to extract.
Q68.
What is a crypto-processor?

a.

A software-based copy protection approach

b.

A hardware-based copy protection approach

c.

A database that matches serial numbers with public keys

d.

A program binary that is encrypted using a public key

Discuss
Answer: (b).A hardware-based copy protection approach Explanation:A crypto-processor is a hardware-based copy protection approach that can directly execute encrypted code by decrypting it on the fly.
Q69.
What was the original purpose of a crypto-processor?

a.

To protect against hardware attacks

b.

To protect against software piracy

c.

To match serial numbers with public keys

d.

To encrypt program binaries

Discuss
Answer: (b).To protect against software piracy Explanation:The original design of a crypto-processor only addressed software piracy.
Q70.
What is the role of a trusted authority in the crypto-processor approach?

a.

To encrypt the program binaries

b.

To decrypt the program binaries

c.

To assign a pair of encryption keys and a serial number to each individual processor

d.

To maintain a database that matches serial numbers with public keys

Discuss
Answer: (d).To maintain a database that matches serial numbers with public keys Explanation:A trusted authority (such as the processor manufacturer) maintains a database that matches serial numbers with public keys.
Page 7 of 13

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