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Questions and Answers
What is the main focus of steganography compared to cryptography?
What is the main focus of steganography compared to cryptography?
- Ensuring secure communication
- Hiding the existence of the message (correct)
- Creating digital media
- Encrypting the message contents
How does steganography differ from cryptography?
How does steganography differ from cryptography?
- Steganography conceals messages in a cover medium, while cryptography encrypts messages. (correct)
- Steganography uses keys for decryption, while cryptography uses LSB replacement.
- Steganography is widely used for military communications, while cryptography is for personal use.
- Steganography focuses on sharing messages publicly, while cryptography keeps messages private.
What is the purpose of embedding in steganography?
What is the purpose of embedding in steganography?
- To hide the existence of the message (correct)
- To change the color of the image
- To encrypt the data
- To compress the cover medium
Which method of embedding data is commonly used in steganography?
Which method of embedding data is commonly used in steganography?
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Why can least significant bits be altered without significantly affecting the cover medium quality?
Why can least significant bits be altered without significantly affecting the cover medium quality?
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What determines the choice of cover medium in steganography?
What determines the choice of cover medium in steganography?
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How can a recipient reveal a hidden message in steganography?
How can a recipient reveal a hidden message in steganography?
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Why must a recipient have knowledge of steganographic methods to reveal a hidden message?
Why must a recipient have knowledge of steganographic methods to reveal a hidden message?
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What does steganography focus on concealing?
What does steganography focus on concealing?
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Which characteristic of least significant bits makes them suitable for embedding data?
Which characteristic of least significant bits makes them suitable for embedding data?
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