Published at LXer:

Most of the ISO images and other software you grab off the Internet come with a message digest -- a cryptographic hash value that you can use to verify their integrity. While almost all Linux distributions come with utilities to read and generate digests using MD5 and SHA1 hash functions, the md5deep utilities can do that and more. md5deep computes MD5, SHA-1, SHA-256, Tiger, and Whirlpool digests across Linux, Windows, Mac OS X, *BSD, Solaris, and other operating systems. It can recursively traverse directories, computing sums for files under subdirectories as well.

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