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Password hashing vs. plaintext example
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| <body> | |
| <h2>Hash it!</h2> | |
| <input type="text" id="input"></input><br /> | |
| <span id="output">(type text above)</span> | |
| <h2>Login</h2> | |
| <div id="database"></div><br /> | |
| Username: <input type="text" id="usr"></input><br /> | |
| Password: <input type="password" id="pass"></input><br /><br /> | |
| <span id="loginOutput">Log in first.</span><br /><br /> | |
| <button id="login">Login (encrypted)</button> | |
| <button id="logined">Login (plaintext)</button> | |
| <button id="signup">Sign up</button> | |
| </body> |
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| const crypto = require('crypto'); | |
| const tableify = require('tableify'); | |
| document.getElementById("input").addEventListener("input", (event) => { | |
| const hash = crypto.createHash('sha256'); | |
| hash.update(event.target.value); | |
| document.getElementById("output").innerHTML = hash.digest('hex'); | |
| }); | |
| const passwords = { | |
| "test1": { | |
| hash: "bf86075ceab2af34c4bf04695936f6522b383cee6b0d377a410b470499ab5485", | |
| pass: "encryption" | |
| }, | |
| "admin": { | |
| hash: "8a798890fe93817163b10b5f7bd2ca4d25d84c52739a645a889c173eee7d9d3d", | |
| pass: "yes" | |
| } | |
| }; | |
| function updateUsers() { | |
| document.getElementById("database").innerHTML = tableify(passwords); // tables! | |
| } | |
| updateUsers(); | |
| document.getElementById("signup").addEventListener("click", () => { | |
| const hash = crypto.createHash('sha256'); | |
| const name = document.getElementById("usr").value; | |
| const password = document.getElementById("pass").value; | |
| hash.update(password); | |
| passwords[name].password = password; | |
| passwords[name].hash = hash.digest('hex'); | |
| updateUsers(); | |
| }); | |
| const login = document.getElementById("login"); | |
| document.getElementById("logined").addEventListener("click", () => { | |
| const name = document.getElementById("usr").value; | |
| const password = document.getElementById("pass").value; | |
| document.getElementById("loginOutput").innerHTML = passwords[name].pass === password ? `Logged in successfully as ${name}!` : `The password did not match...`; | |
| }); | |
| document.getElementById("login").addEventListener("click", () => { | |
| const name = document.getElementById("usr").value; | |
| const hash = crypto.createHash('sha256'); | |
| hash.update(document.getElementById("pass").value); | |
| document.getElementById("loginOutput").innerHTML = passwords[name].hash === hash.digest('hex') ? `Logged in successfully with encryption as ${name}!` : `The password is incorrect or there is not a user with that username.`; | |
| }); |
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| { | |
| "name": "hashing-vs-plaintext-example", | |
| "version": "1.0.0", | |
| "dependencies": { | |
| "tableify": "0.0.7" | |
| }, | |
| "author": "haykam821" | |
| } |
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