Secure harsh function

Secure hash function (one-way hash function) is not only used in message authentication but in digit signatures (Stallings & Brown, 2008, p. 54).

Using the APA writing style, write a 2–3 page paper that answers the following questions:

· What is the purpose of the hash function?

· How is it useful to message authentication?

· What are the 7 main characteristics that are needed in a secure hash function?

· How is a hash function considered a weak or strong function?

This assignment will also be assessed using additional criteria provided  here .

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Reference

Stallings, W., & Brown, L. (2008). Computer security: Principles and practice (1st ed.). Upper Saddle River, NJ: Prentice Hall.