Q. Why is it important to establish which system (and other) services the program utilizes in Cryptex?

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Q. Why is it difficult to decipher a file format by merely observing the data?

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Q. What does the import list reveal about Cryptex.exe?

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Q. What is the Windows Crypto API?

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Q. What is the benefit of Cryptex using the Windows Crypto API?

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Q. What is the purpose of obtaining a list of imported functions?

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

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Q. Which runtime library function does Cryptex use for printing messages to the console window?

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Q. What does the presence of the printf function in the runtime library list tell you?

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Q. Which DLL module reveals that Cryptex apparently uses direct calls into Win32 File I/O APIs such as CreateFile, ReadFile, WriteFile, etc.?

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Q. What does the use of the Windows Crypto API by Cryptex indicate?

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Q. What library function does Cryptex use to print messages to the console window?

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Q. How can a memory breakpoint be set in OllyDbg?

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Q. What is a hash, according to MSDN?

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Q. What is the purpose of the CryptCreateHash function?

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Q. What does MD stand for in MD5?

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Q. What is the purpose of the MD5 hashing algorithm?

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Q. What are the two basic properties of MD5 and other cryptographic hashes?

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Q. What is Cryptex doing with the data it is hashing?

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Q. What does Cryptex do if the value in the global variable does not match the value stored in the Cryptex archive file?

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