SafeMessageGenerator/AllCipherCodes.html at main · Someshdiwan/SafeMessageGenerator · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Encryption Demo</title>
    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700">
    <style>
        body {
            font-family: 'Roboto', Arial, sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            transition: background-color 0.3s ease, color 0.3s ease; /* Add transition for dark mode */
        }

        .container {
            width: 90vw; /* 90% of the viewport width */
            max-width: 500px;
            padding: 20px;
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            transition: background-color 0.3s ease, color 0.3s ease; /* Add transition for dark mode */
        }

        .demo-container {
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            margin-top: 20px;
            transition: background-color 0.3s ease, color 0.3s ease; /* Add transition for dark mode */
        }

        h1.encryption-demo {
            font-size: 24px;
            font-weight: 500;
            color: #333; /* Default text color in light mode */
            transition: color 0.3s ease; /* Add transition for color change */
        }

        label, select, input[type="number"], textarea, input[type="button"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 16px;
        }

        input[type="button"] {
            background-color: #007bff;
            color: white;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        input[type="button"]:hover {
            background-color: #0056b3;
        }

        #encrypted-message {
            font-family: 'Times New Roman', Times, serif;
            background-color: #f2f2f2;
            padding: 10px;
            border-radius: 5px;
            font-size: 18px;
            margin-top: 10px;
            color: #333; /* Default text color in light mode */
        }

        /* Additional style for dark mode */
        #encrypted-message.dark-mode {
            color: #ffffff; /* Change text color in dark mode */
        }

        .logo {
            text-align: center;
            margin-bottom: 20px;
        }

        .logo img {
            max-width: 100%;
            max-height: 150px;
            height: auto;
        }

        /* Personal Info Container */
        .personal-info-container {
            position: absolute;
            top: 20px;
            left: 20px;
            background-color: #fff;
            padding: 10px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            transition: background-color 0.3s ease, color 0.3s ease; /* Add transition for dark mode */
        }

        .personal-info {
            font-family: "Times New Roman", serif;
            font-size: large;
            color: #333;
            transition: color 0.3s ease; /* Add color transition */
        }

        /* Style elements that should not change color during dark mode */
        .no-color-change {
            color: inherit !important;
        }

        /* Dark Mode Styles */
        body.dark-mode {
            background-color: #121212;
            color: #ffffff;
        }

        .container.dark-mode {
            background-color: #333;
            color: #ffffff;
        }

        .demo-container.dark-mode {
            background-color: #000;
            color: #fff;
        }

        .personal-info-container.dark-mode {
            background-color: #000;
            color: #fff;
        }

        .personal-info.dark-mode {
            color: white;
        }

        .dark-mode-toggle {
            position: absolute;
            top: 20px;
            right: 50px;
            cursor: pointer;
            font-size: 24px;
            font-family: "Times New Roman", serif;
            color: #333; /* Dark mode button color */
            transition: color 0.3s ease; /* Add a color transition */
        }

        .dark-mode-toggle:hover {
            color: #fff; /* Dark mode button color on hover */
        }

        /* Style for the encryption info container */
        .encryption-info {
            font-family: 'Times New Roman', Times, serif;
            position: absolute;
            bottom: 0; /* Position at the bottom */
            left: 0;   /* Position at the left */
            background-color: #fff;
            padding: 10px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .encryption-info.dark-mode {
            background-color: #000;
            color: #fff;
        }

        #encryption-description {
            font-size: 16px;
        }
    </style>
</head>
<body>
<div class="dark-mode-toggle" onclick="toggleDarkMode()">🌙 Dark Mode</div>
<div class="personal-info-container">
    <div class="personal-info no-color-change">
        <p>Name: Somesh Diwan</p>
        <p>Class: TY-AIML</p>
        <p>Project Name: Generating encrypted message</p>
    </div>
</div>
<div class="container">
    <div class="logo">
        <img src="University-Logo-1-1.png" alt="Logo">
    </div>
        <label for="message">Enter your message:</label>
        <textarea id="message" rows="4" cols="50"></textarea>
        <label for="choice">Select encryption method:</label>
        <select id="choice">
            <option value="caesar">Caesar Cipher</option>
            <option value="modifiedCaesar">Modified Caesar Cipher</option>
            <option value="monoAlphabetic">Mono-Alphabetic Cipher</option>
            <option value="railFence">Rail Fence Cipher</option>
            <option value="columnar">Columnar Transposition Cipher</option>
            <option value="polyAlphabetic">Poly-Alphabetic Cipher</option>
        </select>
        <label for="key">Key (if applicable):</label>
        <input type="number" id="key">
        <input type="button" value="Encrypt" onclick="encryptMessage()">
        <h2>Encrypted Message:</h2>
        <p id="encrypted-message"></p>
    </div>


</div>
<div class="encryption-info">
    <p id="encryption-description">This is an encryption demonstration. Enter your message, select an encryption method, and click the "Encrypt" button to see the encrypted result.</p>
</div>

<script>
    function caesarCipher(info, key) {
        const alp1 = "abcdefghijklmnopqrstuvwxyz";
        let result = "";

        for (let i = 0; i < info.length; i++) {
            const char = info[i];
            if (alp1.includes(char)) {
                const charIndex = alp1.indexOf(char);
                const newIndex = (charIndex + key) % 26;
                result += alp1[newIndex];
            } else {
                result += char;
            }
        }

        return result;
    }

    function modifiedCaesarCipher(info, key) {
        const alp1 = "abcdefghijklmnopqrstuvwxyz";
        let result = "";

        for (let i = 0; i < info.length; i++) {
            const char = info[i];
            if (alp1.includes(char)) {
                const charIndex = alp1.indexOf(char);
                const newIndex = (charIndex + key * 2) % 26;
                result += alp1[newIndex];
            } else {
                result += char;
            }
        }

        return result;
    }

    function monoAlphabeticCipher(info) {
        const originalAlphabet = "abcdefghijklmnopqrstuvwxyz";
        const scrambledAlphabet = "qwertyuiopasdfghjklzxcvbnm";
        let result = "";

        for (let i = 0; i < info.length; i++) {
            const char = info[i].toLowerCase();
            if (originalAlphabet.includes(char)) {
                const charIndex = originalAlphabet.indexOf(char);
                result += scrambledAlphabet[charIndex];
            } else {
                result += char;
            }
        }

        return result;
    }

    function railFenceCipher(info, key) {
        const message = info.replace(/ /g, "");
        const matrix = [];
        const encryptedMessage = [];

        for (let i = 0; i < key; i++) {
            matrix.push([]);
        }

        let row = 0;
        let direction = "down";

        for (let i = 0; i < message.length; i++) {
            matrix[row].push(message[i]);

            if (row === 0) {
                direction = "down";
            } else if (row === key - 1) {
                direction = "up";
            }

            if (direction === "down") {
                row++;
            } else if (direction === "up") {
                row--;
            }
        }

        for (let i = 0; i < key; i++) {
            encryptedMessage.push(...matrix[i]);
        }

        return encryptedMessage.join("");
    }

    function columnarTransposition(info, key) {
        const message = info.replace(/ /g, "");
        const colCount = key;
        const rowCount = Math.ceil(message.length / key);
        const matrix = [];

        for (let i = 0; i < rowCount; i++) {
            matrix.push([]);
        }

        let charIndex = 0;

        for (let i = 0; i < rowCount; i++) {
            for (let j = 0; j < colCount; j++) {
                if (charIndex < message.length) {
                    matrix[i][j] = message[charIndex];
                    charIndex++;
                }
            }
        }

        let result = "";

        for (let j = 0; j < colCount; j++) {
            for (let i = 0; i < rowCount; i++) {
                if (matrix[i][j] !== undefined) {
                    result += matrix[i][j];
                }
            }
        }

        return result;
    }

    function polyAlphabeticCipher(info, key) {
        const alp1 = "abcdefghijklmnopqrstuvwxyz";
        const alp2 = "zyxwvutsrqponmlkjihgfedcba";
        let result = "";

        for (let i = 0; i < info.length; i++) {
            const char = info[i];
            if (alp1.includes(char.toLowerCase())) {
                const charIndex = alp1.indexOf(char.toLowerCase());
                const newChar = key[i % key.length].toLowerCase();
                const newIndex = (charIndex + alp1.indexOf(newChar)) % 26;
                result += char === char.toUpperCase() ? alp1[newIndex].toUpperCase() : alp1[newIndex];
            } else {
                result += char;
            }
        }

        return result;
    }

    function encryptMessage() {
        const message = document.getElementById("message").value;
        const choice = document.getElementById("choice").value;
        const key = document.getElementById("key").value;
        let encryptedMessage = "";

        switch (choice) {
            case "caesar":
                encryptedMessage = caesarCipher(message, parseInt(key));
                break;
            case "modifiedCaesar":
                encryptedMessage = modifiedCaesarCipher(message, parseInt(key));
                break;
            case "monoAlphabetic":
                encryptedMessage = monoAlphabeticCipher(message);
                break;
            case "railFence":
                encryptedMessage = railFenceCipher(message, parseInt(key));
                break;
            case "columnar":
                encryptedMessage = columnarTransposition(message, parseInt(key));
                break;
            case "polyAlphabetic":
                encryptedMessage = polyAlphabeticCipher(message, "key");
                break;
            default:
                encryptedMessage = "Invalid choice";
        }

        document.getElementById("encrypted-message").textContent = encryptedMessage;
    }

    function toggleDarkMode() {
        const body = document.body;
        const containers = document.querySelectorAll(".container");
        const personalInfoContainer = document.querySelector(".personal-info-container");
        const personalInfo = document.querySelectorAll(".personal-info");
        const darkModeToggle = document.querySelector(".dark-mode-toggle");
        const encryptionInfo = document.querySelector(".encryption-info");

        body.classList.toggle("dark-mode");

        containers.forEach(container => {
            container.classList.toggle("dark-mode");
        });

        personalInfoContainer.classList.toggle("dark-mode");

        personalInfo.forEach(info => {
            info.classList.toggle("dark-mode");
        });

        darkModeToggle.classList.toggle("dark-mode");
        darkModeToggle.textContent = body.classList.contains("dark-mode") ? "☀️ Light Mode" : "🌙 Dark Mode";

        encryptionInfo.classList.toggle("dark-mode");
    }
</script>
</body>
</html>