MD5 processes a variable-length message into a fixed-length output of how many bits?

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Study for the EC-Council Certified Security Specialist (ECSS) Exam. Prepare with multiple choice questions, detailed explanations, and key insights to boost your confidence. Ace the exam now!

Multiple Choice

MD5 processes a variable-length message into a fixed-length output of how many bits?

Explanation:
MD5 is designed to compress any length input into a fixed-size hash value of 128 bits. This means no matter how long the message is, its digest will always be 128 bits (16 bytes), commonly shown as 32 hexadecimal characters. That fixed length is a fundamental property of MD5, which is why the correct answer is 128 bits. The other bit lengths wouldn’t match how MD5 represents its output.

MD5 is designed to compress any length input into a fixed-size hash value of 128 bits. This means no matter how long the message is, its digest will always be 128 bits (16 bytes), commonly shown as 32 hexadecimal characters. That fixed length is a fundamental property of MD5, which is why the correct answer is 128 bits. The other bit lengths wouldn’t match how MD5 represents its output.

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