From the course: Secure Coding in C

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Challenge: Enter the combination

Challenge: Enter the combination - C Tutorial

From the course: Secure Coding in C

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Challenge: Enter the combination

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(upbeat music) - [Narrator] For this challenge you are to work with a code presented in this exercise file. The main function prompts for three digits, the combination for a safe or something else secure. At line 16 you see the get number function called. This function is skeleton ed at line four. Your challenge is to write the get number function which provides the integer values comprising the combination. The get number function must perform the following tasks. It must allocate a pointer for an input buffer. It must obtain and verify string input. String input must be converted to an integer value, verified of course. Other requirements must also be made in a get number function to ensure that it's safe. And the main function could also use one additional statement to add some security. This challenge could take up to 20 minutes to complete.

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