<ul><li>MD5 is a one-way cryptographic hash function used for verification and ensuring data integrity.</li><li>MD5 always produces a 128-bit hash, irrespective of the length of the input.</li><li>Originally designed for digital signatures, MD5 helps in verifying the authenticity of a document.</li><li>Created by Ronald Rivest in 1991, MD5 became popular in the 1990s but is no longer secure due to security vulnerabilities.</li></ul>

MD5 Algorithm: Understanding the Once-Popular Cryptographic Hash Function

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