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encore.html
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<!DOCTYPE html>
<html>
<head>
<title class="flex flex-col justify-start">Encryption Core</title>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://unpkg.com/lucide@latest"></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"></script>
</head>
<style>
.logo {
text-align: left;
font-size: 24px;
background: linear-gradient(90deg, #7f7dd1, #548dd9 100%, #548dd9 0);
-webkit-background-clip: text;
color: transparent;
border: none;
cursor: pointer;
font-size: 25px;
font-weight: 600;
animation: slideDown 0.5s ease-in-out forwards;
}
.lucide-icon {
width: 24px;
height: 24px;
stroke: currentColor;
fill: none;
stroke-width: 2;
stroke-linecap: round;
stroke-linejoin: round;
}
</style>
<body class="bg-[#242424] text-gray-300 font-mono">
<div class="container mx-auto flex flex-col items-center justify-start">
<div class=" p-2 rounded-lg w-full max-w-full">
<button onclick="location.href='index.html'" class=" py-2 px-4 rounded-md text-xl font-medium "><i data-lucide="circle-arrow-left" class="lucide-icon font-medium "> </i> </button>
<h1 class="text-xl font-bold mb-4 logo text-blue-500 flex "><span class="px-1 ">Encrypt/Decrypt</span></h1>
<textarea id="messageInput" class="w-full p-2 bg-[#1a1a1a] shadow-xl text-gray-300 rounded-md mb-2"
placeholder="Enter message..." rows="4"></textarea>
<div class="flex items-center space-x-2 mb-2">
<label for="encryptionType" class="text-sm font-medium">Type:</label>
<select id="encryptionType" class="bg-[#1a1a1a] shadow-xl text-gray-300 rounded-md px-2 py-1">
<option value="aes">AES-256 (Password)</option>
<option value="rsa">RSA-2048 (Key Pair)</option>
</select>
</div>
<div class="flex items-center space-x-2 mb-2">
<label for="operationType" class="text-sm font-medium">Operation:</label>
<select id="operationType" class="bg-[#1a1a1a] shadow-xl text-gray-300 rounded-md px-2 py-1">
<option value="encrypt">Encrypt</option>
<option value="decrypt">Decrypt</option>
</select>
</div>
<!-- AES Section -->
<div id="aesSection" class="mb-4">
<input type="password" id="aesKey" class="w-full p-2 bg-[#1a1a1a] shadow-xl text-gray-300 rounded-md mb-2"
placeholder="Enter AES passphrase...">
</div>
<!-- RSA Section -->
<div id="rsaSection" class="mb-4 hidden">
<textarea id="rsaKeyInput" class="w-full p-2 bg-[#1a1a1a] shadow-xl text-gray-300 rounded-md mb-2"
placeholder="Enter recipient's public key..." rows="3"></textarea>
<button id="generateRsaKeysBtn"
class="bg-[#1a1a1a] shadow-xl hover:bg-blue-600 text-xs text-white font-bold py-1 px-2 rounded-md mb-2">Generate
Keys</button>
</div>
<button id="processBtn"
class="bg-blue-500 hover:bg-blue-600 text-sm text-white font-bold py-2 px-4 rounded-md mb-2 w-full">Process</button>
<!-- Output Section (Hidden by default) -->
<div id="outputSection" class="hidden">
<textarea id="output" class="w-full p-2 bg-[#1a1a1a] shadow-xl text-gray-300 rounded-md" placeholder="Output..."
rows="4" readonly></textarea>
<button onclick="copyText('output')"
class="bg-[#1a1a1a] hover:bg-[#4a4949] shadow-xl text-xs text-white font-bold py-2 px-4 rounded-md mt-2 w-full">Copy
Output</button>
</div>
</div>
</div>
<!-- Key Generation Modal -->
<div id="keyModal" class="fixed hidden inset-0 flex items-center justify-center z-50">
<div class="modal-overlay absolute w-full h-full bg-[#242424] opacity-50"></div>
<div class="modal-container shadow-xl bg-[#242424] w-11/12 md:max-w-md mx-auto rounded-lg shadow-lg z-50 overflow-y-auto">
<div class="modal-content py-4 text-left px-6">
<div class="flex justify-end">
<button id="closeKeyModalBtn" class="text-gray-400 hover:text-gray-200">
<svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24"
stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
d="M6 18L18 6M6 6l12 12" />
</svg>
</button>
</div>
<h2 class="text-xl font-bold text-center mb-4">Generated RSA Keys</h2>
<div class="mb-4">
<label for="modalPublicKey" class="block text-sm font-medium text-gray-400 mb-2">Public Key:</label>
<textarea id="modalPublicKey" readonly
class="text-gray-300 bg-[#1a1a1a] shadow-xl rounded-md px-3 py-2 w-full h-24 resize-y"></textarea>
<button onclick="copyText('modalPublicKey')"
class="bg-[#1a1a1a] hover:bg-[#1a1a1a] shadow-xl text-sm text-white font-bold py-2 px-4 rounded-md mt-2 w-full">Copy
Public Key</button>
</div>
<div class="mb-4">
<label for="modalPrivateKey" class="block text-sm font-medium text-gray-400 mb-2">Private
Key:</label>
<textarea id="modalPrivateKey" readonly
class="text-gray-300 bg-[#1a1a1a] shadow-xl rounded-md px-3 py-2 w-full h-24 resize-y"></textarea>
<button onclick="copyText('modalPrivateKey')"
class="bg-[#1a1a1a] hover:bg-[#1a1a1a] shadow-xl text-sm text-white font-bold py-2 px-4 rounded-md mt-2 w-full">Copy
Private Key</button>
</div>
<p class="text-sm text-gray-400 italic text-center">
Important: Keep your private key secure! Do not share it with anyone.
</p>
</div>
</div>
</div>
<script>
// Get DOM Elements
const messageInput = document.getElementById('messageInput');
const encryptionTypeSelect = document.getElementById('encryptionType');
const operationTypeSelect = document.getElementById('operationType');
const aesSection = document.getElementById('aesSection');
const rsaSection = document.getElementById('rsaSection');
const aesKeyInput = document.getElementById('aesKey');
const rsaKeyInput = document.getElementById('rsaKeyInput');
const generateRsaKeysBtn = document.getElementById('generateRsaKeysBtn');
const processBtn = document.getElementById('processBtn');
const outputTextarea = document.getElementById('output');
const outputSection = document.getElementById('outputSection');
// Modal Elements
const keyModal = document.getElementById('keyModal');
const closeKeyModalBtn = document.getElementById('closeKeyModalBtn');
const modalPublicKey = document.getElementById('modalPublicKey');
const modalPrivateKey = document.getElementById('modalPrivateKey');
// Event Listeners
encryptionTypeSelect.addEventListener('change', toggleEncryptionType);
operationTypeSelect.addEventListener('change', toggleOperationType);
generateRsaKeysBtn.addEventListener('click', generateAndDisplayKeys);
processBtn.addEventListener('click', handleProcessing);
closeKeyModalBtn.addEventListener('click', () => keyModal.classList.add('hidden'));
// Function to toggle between AES and RSA sections
function toggleEncryptionType() {
const selectedType = encryptionTypeSelect.value;
if (selectedType === 'aes') {
aesSection.classList.remove('hidden');
rsaSection.classList.add('hidden');
} else {
aesSection.classList.add('hidden');
rsaSection.classList.remove('hidden');
}
}
// Function to toggle RSA key placeholder based on operation
function toggleOperationType() {
const selectedOperation = operationTypeSelect.value;
if (selectedOperation === 'encrypt') {
rsaKeyInput.placeholder = "Enter recipient's public key...";
} else {
rsaKeyInput.placeholder = "Enter your private key...";
}
}
// RSA Key Generation Function
async function generateAndDisplayKeys() {
try {
const keyPair = await window.crypto.subtle.generateKey(
{
name: 'RSA-OAEP',
modulusLength: 2048,
publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
hash: 'SHA-256',
},
true,
['encrypt', 'decrypt']
);
const publicKeyJwk = await window.crypto.subtle.exportKey('jwk', keyPair.publicKey);
const privateKeyJwk = await window.crypto.subtle.exportKey('jwk', keyPair.privateKey);
// Display keys in the modal
modalPublicKey.value = JSON.stringify(publicKeyJwk, null, 2);
modalPrivateKey.value = JSON.stringify(privateKeyJwk, null, 2);
// Show the modal
keyModal.classList.remove('hidden');
} catch (err) {
console.error('Error generating RSA keys:', err);
alert('An error occurred while generating keys.');
}
}
// Function to handle both encryption and decryption
function handleProcessing() {
const selectedType = encryptionTypeSelect.value;
const selectedOperation = operationTypeSelect.value;
const message = messageInput.value;
if (!message) {
alert('Please enter a message.');
return;
}
if (selectedType === 'aes') {
const aesKey = aesKeyInput.value;
if (!aesKey) {
alert('Please enter an AES passphrase.');
return;
}
if (selectedOperation === 'encrypt') {
outputTextarea.value = aesEncrypt(message, aesKey);
} else {
outputTextarea.value = aesDecrypt(message, aesKey);
}
} else if (selectedType === 'rsa') {
const rsaKey = rsaKeyInput.value;
if (!rsaKey) {
alert('Please enter an RSA key.');
return;
}
if (selectedOperation === 'encrypt') {
rsaEncrypt(message, rsaKey)
.then(encryptedText => {
outputTextarea.value = encryptedText;
})
.catch(err => {
console.error('RSA Encryption error:', err);
alert('An error occurred during encryption. Please check the key and try again.');
});
} else {
rsaDecrypt(message, rsaKey)
.then(decryptedText => {
outputTextarea.value = decryptedText;
})
.catch(err => {
console.error('RSA Decryption error:', err);
alert('An error occurred during decryption. Please check the key and try again.');
});
}
}
// Show the output section
outputSection.classList.remove('hidden');
}
// AES Encryption Function
function aesEncrypt(message, passphrase) {
try {
return CryptoJS.AES.encrypt(message, passphrase).toString();
} catch (err) {
console.error("AES Encryption Error:", err);
alert("An error occurred during AES encryption.");
return "";
}
}
// AES Decryption Function
function aesDecrypt(ciphertext, passphrase) {
try {
const bytes = CryptoJS.AES.decrypt(ciphertext, passphrase);
return bytes.toString(CryptoJS.enc.Utf8);
} catch (err) {
console.error("AES Decryption Error:", err);
alert("An error occurred during AES decryption.");
return "";
}
}
// RSA Encryption Function (Asynchronous)
async function rsaEncrypt(message, publicKey) {
try {
const encoder = new TextEncoder();
const data = encoder.encode(message);
const publicKeyJwk = JSON.parse(publicKey);
const importedPublicKey = await window.crypto.subtle.importKey(
'jwk',
publicKeyJwk,
{ name: 'RSA-OAEP', hash: 'SHA-256' },
false,
['encrypt']
);
const encryptedData = await window.crypto.subtle.encrypt(
{ name: 'RSA-OAEP' },
importedPublicKey,
data
);
return arrayBufferToBase64(encryptedData);
} catch (err) {
console.error("RSA Encryption Error:", err);
alert("An error occurred during RSA encryption.");
throw err; // Re-throw to handle in the calling function
}
}
// RSA Decryption Function (Asynchronous)
async function rsaDecrypt(ciphertext, privateKey) {
try {
const encryptedData = base64ToArrayBuffer(ciphertext);
const privateKeyJwk = JSON.parse(privateKey);
const importedPrivateKey = await window.crypto.subtle.importKey(
'jwk',
privateKeyJwk,
{ name: 'RSA-OAEP', hash: 'SHA-256' },
false,
['decrypt']
);
const decryptedData = await window.crypto.subtle.decrypt(
{ name: 'RSA-OAEP' },
importedPrivateKey,
encryptedData
);
const decoder = new TextDecoder();
return decoder.decode(decryptedData);
} catch (err) {
console.error("RSA Decryption Error:", err);
alert("An error occurred during RSA decryption.");
throw err; // Re-throw to handle in the calling function
}
}
// Utility Functions:
function arrayBufferToBase64(buffer) {
let binary = '';
const bytes = new Uint8Array(buffer);
bytes.forEach(byte => binary += String.fromCharCode(byte));
return window.btoa(binary);
}
function base64ToArrayBuffer(base64) {
const binaryString = window.atob(base64);
const bytes = new Uint8Array(binaryString.length);
for (let i = 0; i < binaryString.length; i++) {
bytes[i] = binaryString.charCodeAt(i);
}
return bytes.buffer;
}
function copyText(elementId) {
const textToCopy = document.getElementById(elementId).value;
navigator.clipboard.writeText(textToCopy)
.then(() => alert('Text copied to clipboard!'))
.catch(err => console.error('Failed to copy text: ', err));
}
</script>
<script>
lucide.createIcons();
</script>
</body>
</html>