Calculate the hash value again to compare the files

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Reference no: EM133244706

Case :

In this project, you create a file on a USB drive and calculate its hash value in FTK Imager Lite. Then you change the file and calculate the hash value again to compare the files. You need a Windows computer and a USB drive.

1. Create a folder called C4Prj04 on your USB drive, and then start Notepad.

2. In a new text file, type This is a test of hash values. One definition of a forensic hash is that if the file changes, the hash value changes.

3. Save the file as hash1.txt in the C4Prj04 folder on your USB drive, and then exit Notepad.

4. Start FTK Imager Lite (clicking OK or Yes in the UAC message box, if necessary), and click File, Add Evidence Item from the menu. In the Select Source dialog box, click the Logical Drive option button, and then click Next.

5. In the Select Drive dialog box, click the Source Drive Selection list arrow, click to select your USB drive, and then click Finish.

6. In the upper-left pane, click to expand the USB drive and continue expanding until you can click the C4Prj04 folder. In the upper-right pane, you should see the hash1.txt file you created. 7. Right-click the file and click Export File Hash List. Save the file as original hash in the C4Prj04 folder on your USB drive. FTK Imager Lite saves it as a .csv file. Exit FTK Imager Lite, and start Notepad.

8. Open hash1.txt in Notepad. Add one letter to the end of the file, save it, and exit Notepad.

9. Start FTK Imager Lite again. Repeat Steps 4 to 7 (but without starting Notepad), but this time when you export the file hash list, save the file as changed hash. 10. Open the original hash and changed hash files on your USB drive in Excel or another spreadsheet program.

Reference no: EM133244706

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