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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>KeyLock.js - JavaScript Steganography & Crypto Plugin</title>
<style>
:root {
--bg-color: #0d1117;
--border-color: #30363d;
--text-color: #c9d1d9;
--accent-color: #58a6ff;
--error-color: #f85149;
--success-color: #3fb950;
--card-bg: #161b22;
}
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
background-color: var(--bg-color);
color: var(--text-color);
margin: 0;
padding: 2rem;
display: flex;
justify-content: center;
}
main {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 2rem;
max-width: 1200px;
width: 100%;
}
.card {
background-color: var(--card-bg);
border: 1px solid var(--border-color);
border-radius: 8px;
padding: 1.5rem;
}
h1, h2 {
border-bottom: 1px solid var(--border-color);
padding-bottom: 0.5rem;
margin-top: 0;
}
textarea, input[type="text"] {
width: 100%;
box-sizing: border-box;
background-color: var(--bg-color);
border: 1px solid var(--border-color);
color: var(--text-color);
padding: 8px;
border-radius: 6px;
font-family: monospace;
}
textarea {
min-height: 120px;
resize: vertical;
}
button {
background-color: var(--accent-color);
color: white;
border: none;
padding: 10px 15px;
border-radius: 6px;
cursor: pointer;
font-weight: bold;
transition: background-color 0.2s;
}
button:hover {
background-color: #79b8ff;
}
.key-pair { display: flex; gap: 1rem; }
.key-pair > div { flex: 1; }
#image-upload-box {
border: 2px dashed var(--border-color);
border-radius: 8px;
padding: 1rem;
text-align: center;
cursor: pointer;
min-height: 150px;
display: flex;
align-items: center;
justify-content: center;
transition: border-color 0.2s;
}
#image-upload-box:hover { border-color: var(--accent-color); }
#generated-image-preview {
max-width: 100%;
border-radius: 6px;
margin-top: 1rem;
border: 1px solid var(--border-color);
}
#status-display {
margin-top: 1rem;
padding: 1rem;
border: 1px solid var(--border-color);
border-radius: 6px;
min-height: 50px;
white-space: pre-wrap;
word-break: break-word;
}
.status-success { color: var(--success-color); }
.status-error { color: var(--error-color); }
.hidden { display: none; }
</style>
</head>
<body>
<main>
<div class="card">
<h2>Encoder</h2>
<p>Generate a new RSA key pair, then use the public key to encrypt a payload into an image.</p>
<button id="generate-keys-btn">1. Generate New Key Pair</button>
<div class="key-pair">
<div>
<label for="public-key">Public Key (for Encryption)</label>
<textarea id="public-key" rows="7"></textarea>
</div>
<div>
<label for="private-key">Private Key (for Decryption)</label>
<textarea id="private-key" rows="7"></textarea>
</div>
</div>
<hr style="border-color: var(--border-color); margin: 1.5rem 0;">
<label for="payload-input">Data to Encrypt (Key=Value format)</label>
<textarea id="payload-input" placeholder="USER=demo-user
PASS:super_secret_password
"API_KEY" = "..."">USER = "TestUser"
PASS: TestPass
"GROQ_API_KEY" = "ALKSDFJASHFKSFH"</textarea>
<button id="generate-image-btn" style="margin-top: 1rem;">2. Generate Encrypted Image</button>
<img id="generated-image-preview" class="hidden" alt="Generated Encrypted Image">
<a id="download-link" class="hidden" style="display: block; margin-top: 0.5rem;">Download PNG</a>
</div>
<div class="card">
<h2>Decoder</h2>
<p>Upload an image generated by the encoder and use the corresponding private key to decode the hidden payload.</p>
<label for="private-key-input">Private Key for Decryption</label>
<textarea id="private-key-input" rows="7" placeholder="Paste the private key here..."></textarea>
<input type="file" id="image-upload-input" accept="image/png" class="hidden">
<div id="image-upload-box" onclick="document.getElementById('image-upload-input').click();">
Click or Drop KeyLock PNG here
</div>
<div id="status-display">Awaiting KeyLock image...</div>
</div>
</main>
<script src="keylock.js"></script>
<script>
document.addEventListener('DOMContentLoaded', () => {
const keylock = new KeyLock();
// --- UI Elements ---
const generateKeysBtn = document.getElementById('generate-keys-btn');
const publicKeyText = document.getElementById('public-key');
const privateKeyText = document.getElementById('private-key');
const privateKeyInput = document.getElementById('private-key-input');
const payloadInput = document.getElementById('payload-input');
const generateImageBtn = document.getElementById('generate-image-btn');
const imagePreview = document.getElementById('generated-image-preview');
const downloadLink = document.getElementById('download-link');
const imageUploadInput = document.getElementById('image-upload-input');
const statusDisplay = document.getElementById('status-display');
// --- Event Listeners ---
// Key Generation
generateKeysBtn.addEventListener('click', async () => {
try {
const { privateKeyPem, publicKeyPem } = await keylock.generatePemKeys();
publicKeyText.value = publicKeyPem;
privateKeyText.value = privateKeyPem;
privateKeyInput.value = privateKeyPem; // Auto-fill for convenience
} catch (e) {
alert(`Key generation failed: ${e.message}`);
}
});
// Image Generation (Encoding)
generateImageBtn.addEventListener('click', async () => {
const payload = payloadInput.value;
const pubKey = publicKeyText.value;
if (!pubKey || !payload) {
alert('Please generate a key pair and provide a payload first.');
return;
}
try {
generateImageBtn.textContent = 'Generating...';
generateImageBtn.disabled = true;
const imageDataUrl = await keylock.generateEncryptedImage(payload, pubKey);
imagePreview.src = imageDataUrl;
imagePreview.classList.remove('hidden');
downloadLink.href = imageDataUrl;
downloadLink.download = `keylock_${Date.now()}.png`;
downloadLink.classList.remove('hidden');
} catch (e) {
alert(`Image generation failed: ${e.message}`);
} finally {
generateImageBtn.textContent = '2. Generate Encrypted Image';
generateImageBtn.disabled = false;
}
});
// Image Upload (Decoding)
imageUploadInput.addEventListener('change', async (event) => {
const file = event.target.files[0];
const privKey = privateKeyInput.value;
if (!file) return;
if (!privKey) {
statusDisplay.textContent = 'Error: Please provide the private key for decryption.';
statusDisplay.className = 'status-display status-error';
return;
}
statusDisplay.textContent = 'Decoding...';
statusDisplay.className = 'status-display';
const reader = new FileReader();
reader.onload = (e) => {
const img = new Image();
img.onload = async () => {
const result = await keylock.decodePayload(img, privKey);
if (result.status === 'Success') {
let output = '✅ Success! Decoded Payload:\n\n';
for(const [key, value] of Object.entries(result.payload)) {
const valueDisplay = key.toLowerCase().includes('pass') ? '•'.repeat(String(value).length) : value;
output += `${key}: ${valueDisplay}\n`;
}
statusDisplay.textContent = output;
statusDisplay.className = 'status-display status-success';
} else {
statusDisplay.textContent = `❌ Error: ${result.message}`;
statusDisplay.className = 'status-display status-error';
}
};
img.onerror = () => {
statusDisplay.textContent = 'Error: Could not load the selected file as an image.';
statusDisplay.className = 'status-display status-error';
};
img.src = e.target.result;
};
reader.readAsDataURL(file);
});
// Auto-generate keys on load for quick demo
generateKeysBtn.click();
});
</script>
</body>
</html> |