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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Q. What is the CryptDeriveKey API used for?

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Q. Why does Cryptex calculate an additional hash (using the MD5 algorithm) from the SHA hash and store the result in the file header?

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Q. Why doesn't Cryptex store the SHA result directly into the file header?

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Q. What is the importance of studying the Cryptex directory layout?

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Q. How can you decipher the directory layout in Cryptex?

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Q. What is the Cryptex directory layout?

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Q. How can you decipher the directory layout of Cryptex?

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Q. How can you reduce the number of calls when using a breakpoint on the ReadFile API?

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Q. Where should you place your breakpoint in a real program to avoid tedious task of stepping through the program?

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Q. What kind of compiler switch was most likely used to compile Cryptex?

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Q. What is the purpose of the x command in Cryptex?

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Q. Why is it important to reverse the extraction process in Cryptex?

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Q. What is the purpose of the hash object created in the Cryptex file extraction routine?

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Q. What type of algorithm is used to create the hash object in the Cryptex file extraction routine?

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Q. What is the purpose of the "x command" in Cryptex?

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Q. What is the purpose of the MD5 checksum in the Cryptex header?

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