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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Q. What is the purpose of cryptographic hashing algorithms?

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

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Q. Which cryptographic hashing algorithm is used by Cryptex?

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Q. What is the length of an SHA hash?

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Q. What is the purpose of the CryptDeriveKey API?

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Q. Why does Cryptex calculate an additional MD5 hash from the SHA hash?

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Q. Why doesn't Cryptex store the SHA hash directly in the file header?

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Q. Why does Cryptex calculate the MD5 password-verification hash from the SHA hash value and not directly from the plaintext password?

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