Many PC games save player's in-game data into files so that the player can pause the current playing (oh, the weekend is over!) and resume to play later (great, weekend again!). Suppose that one PC game has a tracker of number of gold coins owned by the player and saves this data in one byte of the game file. Now Peter Pan wants to hack into the file and uses one binary file editor to change this vale to FF (in hexadecimal format). • What's the number of gold coins (in decimal format) that Peter Pan will get once he reloaded the game? • If the game designer treats this byte as signed integer, will Peter Pan be disappointed? • What's the safe value shall Peter Pan use to modify the gold coin amount in the game file?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Many PC games save player's in-game data into files so that the player can pause the current playing (oh, the weekend is over!) and resume to play later (great, weekend again!).
Suppose that one PC game has a tracker of number of gold coins owned by the player and saves this data in one byte of the game file. Now Peter Pan wants to hack into the file and uses one binary file editor to change this vale to FF
(in hexadecimal format).
• What's the number of gold coins (in decimal format) that Peter Pan will get once he reloaded the game?
. If the game designer treats this byte as signed integer, will Peter Pan be disappointed?
. What's the safe value shall Peter Pan use to modify the gold coin amount in the game file?
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Transcribed Image Text:Many PC games save player's in-game data into files so that the player can pause the current playing (oh, the weekend is over!) and resume to play later (great, weekend again!). Suppose that one PC game has a tracker of number of gold coins owned by the player and saves this data in one byte of the game file. Now Peter Pan wants to hack into the file and uses one binary file editor to change this vale to FF (in hexadecimal format). • What's the number of gold coins (in decimal format) that Peter Pan will get once he reloaded the game? . If the game designer treats this byte as signed integer, will Peter Pan be disappointed? . What's the safe value shall Peter Pan use to modify the gold coin amount in the game file? Edit View Insert Format Tools Table 12pt v Paragraph v в I Aט To
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