The hash function can be performed against any file type not only simple text. Of course getting the SHA256 sum of a file is often used to confirm a files integrity - that two files from different locations or that have been downloaded match. As long as there is no line breaks in the file the hash will match. ![]() It is interesting to note that a simple text file with the "password" string matches the hash of the string password. In this example we use bash and the sha256sum utility to generate an SHA256 hash of a file. Using echo -n ensures the line break is not included in the hash generation. ![]() Using bash on any Linux command line you can get the SHA256 hash of a string simply by echoing the string to the sha256sum utility.
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