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MD5 Security Warning

The security of the MD5 hash algorithm has been severely compromised since at least 2007.

A more current algorithm should be used instead, such as SHA256.

MD5 Overview

MD5 Sums are 32 byte character strings that are the result of running the md5sum program against a particular file. Since it is very hard to find two different files that results in same strings, MD5's can be used to determine that the file or iso you downloaded is a bit-for-bit copy of the remote file or iso.

Verify md5sum using linux:

Create an md5sum using linux:

Windows users that need to check the md5sum (e.g. of a Debian ISO file) can use certutil

See also: