Principles of Information Security (MindTap Course List)
6th Edition
ISBN: 9781337102063
Author: Michael E. Whitman, Herbert J. Mattord
Publisher: Cengage Learning
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Chapter 8, Problem 5E
Explanation of Solution
Steganography:
Steganography is the method to hide the data within data, image, or audio files. It is not a form of cryptography, it is another way of securing data and information in transit. The word steganography is from Greek word and the meaning of the word is “secret writing”.
Usage of steganography:
- It protect the message from third party and protect the data alteration.
- Enhance the secrecy of data.
- Using steganography the user can protect the secret communication on web to avoid transmission.
- Steganography can used in secret key and public key.
- The data can be hidden in text, image, and audio files. So it is used in many applications.
Steganographic tools:
The web shows many steganographic tools to hide the secret message in image and audio files.
These tools are:
- Xiao steganography
- Trojan
- OpenPuff
- Text Hide
- LSB steganography
- QuickStego, etc.
One of the steganography tool “LSB steganography” is downloaded for encryption. The following screenshot shows the way of this cryptosystem.
Screenshot of downloading steganographic tool
- The tool has menus to open and insert the files for encryption.
Screenshot of downloaded software
Go to “image” menu, browse the image and given the input with encryption key.
Screenshot of “Steganography tool”
Click on the “Create Cipher” button for cipher text input...
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1.[30 pts] Computers generate color pictures on a video screen or liquid crystal display by
mixing three different colors of light: red, green, and blue. Imagine a simple scheme, with
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We can create eight different colors based on the absence (0) or presence (1) of light
sources R,G and B:
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0
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listed above?
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2.[30 pts] Perform the following…
D. S. Malik, Data Structures Using C++, 2nd Edition, 2010
Methods (Ch6) - Review
1. (The MyRoot method) Below is a manual implementation of the Math.sqrt() method in Java.
There are two methods, method #1 which calculates the square root for positive integers, and
method #2, which calculates the square root of positive doubles (also works for integers).
public class SquareRoot {
public static void main(String[] args) {
}
// implement a loop of your choice here
// Method that calculates the square root of integer variables
public static double myRoot(int number) {
double root;
root=number/2;
double root old;
do {
root old root;
root (root_old+number/root_old)/2;
} while (Math.abs(root_old-root)>1.8E-6);
return root;
}
// Method that calculates the square root of double variables
public static double myRoot(double number) {
double root;
root number/2;
double root_old;
do {
root old root;
root (root_old+number/root_old)/2;
while (Math.abs (root_old-root)>1.0E-6);
return root;
}
}
Program-it-Yourself: In the main method, create a program that…
Chapter 8 Solutions
Principles of Information Security (MindTap Course List)
Ch. 8 - Prob. 1RQCh. 8 - Prob. 2RQCh. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Prob. 19RQCh. 8 - Prob. 20RQCh. 8 - Prob. 1ECh. 8 - Prob. 2ECh. 8 - Prob. 3ECh. 8 - Prob. 4ECh. 8 - Prob. 5ECh. 8 - Prob. 1CEDQCh. 8 - Prob. 2CEDQCh. 8 - Prob. 1EDMCh. 8 - Prob. 2EDM
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