In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of ...

Introduction If you need to send a secret message to a friend, how could you prevent other people from reading it? One way is to encrypt the message—that is, use a secret code that only you and your ...

ひらがなを対象としたシーザー暗号の暗号化・復号ツール 並び順を「あいうえお順」「いろは順」「任意」から選択可能 「いろは順」を選んだ場合、「ん」は最後にあるものとします。