Calculate file checksums using openssl

If you need to calculate the checksum of a file on Mac or UNIX simply use openssl:

openssl md5 DeleteCookies.zip
openssl sha DeleteCookies.zip

This command gives you the checksum of the file as a result.

An alternative to calculate these checksums are the commands

md5sum DeleteCookies.zip
shasum DeleteCookies.zip

MD5 is considered broken for a long time. Therefor md5sum is no longer available on most systems.

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