言いたかったこと

鍵付き。

<p id="moge"><input placeholder="input passphrase"><button>Decrypt</button></p><p id="plain"></p><p id="encrypted" style="word-wrap:break-word">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</p><p><script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js"></script><script>document.querySelector("#moge>button").addEventListener("click",e=>$("#plain").html(CryptoJS.AES.decrypt($("#encrypted").hide().text(),$("#moge>input").val()).toString(CryptoJS.enc.Utf8)));</script></p>