Question

What is the easiest way to check Cryptex's password verification process?

a.

Create an archive

b.

Start Cryptex in a debugger

c.

Type in the correct password

d.

Trace back from printf call

Posted under Reverse Engineering

Answer: (b).Start Cryptex in a debugger Explanation:The easiest way to go about checking Cryptex's password verification process is to start Cryptex in a debugger, feeding it with an incorrect password, and catch the place in the code where Cryptex notifies the user that a bad password has been supplied.

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