Web Reference: Mar 31, 2026 · In this article, we are going to explain what DES means, its history, and how it works. Additionally, we will walk through a complete data encryption standard algorithm example with step-by-step instructions so that every part of the process becomes clear to you. On May 15, 1973, during the reign of Richard Nixon, theNational Bureau of Standards (NBS) published a notice in theFederal Register soliciting proposals for cryptographicalgorithms to protect data during transmission and storage.The notice explained why encryption was an important issue. NBS waited for the responses to come in. It receivednone unti... We now work through an example and consider some of its implications. Although you are not expected to duplicate the example by hand, you will find it informative to study the hex patterns that occur from one step to the next.
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