rotor encryption (enigma): state allows you to encrypt one letter to another. state is defined by rotors. key space = rearrange rotor x numbers on each rotor; state change happens by every type since rotor rotates. only initial state is shared

kenzan8000 のブックマーク 2020/04/23 16:24

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/4684711347314892994/comment/kenzan8000" data-user-id="kenzan8000" data-entry-url="https://b.hatena.ne.jp/entry/s/www.youtube.com/watch?v=-1ZFVwMXSXY" data-original-href="https://www.youtube.com/watch?v=-1ZFVwMXSXY" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D-1ZFVwMXSXY" data-user-icon="/users/kenzan8000/profile.png">The Enigma encryption machine | Journey into cryptography | Computer Science | Khan Academy</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/cryptography">cryptography</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/statistics">statistics</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/%22computer%20science%22">computer science</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/information">information</a>]</li></ul><br><p style="clear: left"> rotor encryption (enigma): state allows you to encrypt one letter to another. state is defined by rotors. key space = rearrange rotor x numbers on each rotor; state change happens by every type since rotor rotates. only initial state is shared</p><a class="datetime" href="https://b.hatena.ne.jp/kenzan8000/20200423#bookmark-4684711347314892994"><span class="datetime-body">2020/04/23 16:24</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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