Systems Security Certified Practitioner – SSCP – Question0744

What size is an MD5 message digest (hash)?

A. 128 bits
B. 160 bits
C. 256 bits
D. 128 bytes

Correct Answer: A

Explanation:

MD5 is a one-way hash function producing a 128-bit message digest from the input message, through 4 rounds of transformation. MD5 is specified as an Internet Standard (RFC1312).
Reference(s) used for this question: TIPTON, Hal, (ISC)2, Introduction to the CISSP Exam presentation.