Dilithium CodeSign WEB v1
Embedded Files
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>Dilithium Code-Sign Web v1.0</title>
<script src="https://cdn.jsdelivr.net/npm/@pq-crystals/dilithium@0.2.0/dist/dilithium.js"></script>
<script src="https://cdn.jsdelivr.net/npm/crypto-js@4.1.1/crypto-js.js"></script>
<style>
body { font-family: system-ui; max-width: 600px; margin: 2rem auto; padding: 1rem; background: #f9f9fb; }
h1 { text-align: center; }
button { background: #007acc; color: white; border: none; padding: 0.8rem 1.2rem; margin: 0.5rem; border-radius: 6px; cursor: pointer; }
input { padding: 0.5rem; margin: 0.5rem; width: 100%; }
.status { margin-top: 1rem; font-weight: bold; }
</style>
</head>
<body>
<h1>Dilithium Code-Sign Web v1.0</h1>
<p>Sign & verify git commits (browser-based)</p>
<button onclick="initRepo()">Init Repo</button>
<button onclick="signCommit()">Sign Current Commit</button>
<input type="text" id="commit-sha" placeholder="Commit SHA" />
<button onclick="verifyCommit()">Verify Commit</button>
<button onclick="verifyChain()">Verify Chain</button>
<div class="status" id="status"></div>
<script>
let pk, sk;
const SIG_DIR = 'dilithium-sigs';
async function sha3_256(data) {
const buffer = await crypto.subtle.digest('SHA-256', data);
return Array.from(new Uint8Array(buffer)).map(b => b.toString(16).padStart(2, '0')).join('');
}
async function initRepo() {
const kp = await dilithium.keyPair();
pk = kp.publicKey;
sk = kp.privateKey;
const pkHex = Array.from(pk).map(b => b.toString(16).padStart(2, '0')).join('');
localStorage.setItem('dilithium_pk', pkHex);
alert("Repo initialized. Public key saved.");
setStatus("Initialized", "green");
}
async function signCommit() {
if (!sk) return setStatus("Init repo first", "red");
const commitData = prompt("Paste commit data (tree+parents+msg):");
if (!commitData) return;
const hash = await sha3_256(new TextEncoder().encode(commitData));
const sig = await dilithium.sign(hash, sk);
const sigHex = Array.from(sig).map(b => b.toString(16).padStart(2, '0')).join('');
const commitId = prompt("Commit SHA:");
const sigObj = { commit_id: commitId, signature: sigHex, public_key: localStorage.getItem('dilithium_pk'), timestamp: new Date().toISOString() };
localStorage.setItem(`${SIG_DIR}/${commitId}`, JSON.stringify(sigObj));
setStatus("Signed", "green");
}
async function verifyCommit() {
const sha = document.getElementById('commit-sha').value;
if (!sha) return setStatus("Enter SHA", "red");
const sigJson = localStorage.getItem(`${SIG_DIR}/${sha}`);
if (!sigJson) return setStatus("No sig", "red");
const sigObj = JSON.parse(sigJson);
const commitData = prompt("Paste same commit data:");
const hash = await sha3_256(new TextEncoder().encode(commitData));
const sig = hexToBytes(sigObj.signature);
const pk = hexToBytes(sigObj.public_key);
const valid = await dilithium.verify(hash, sig, pk);
setStatus(valid ? "Verified" : "Failed", valid ? "green" : "red");
}
async function verifyChain() {
setStatus("Chain verify not supported in browser", "red");
}
function hexToBytes(hex) {
return Uint8Array.from(hex.match(/.{1,2}/g).map(b => parseInt(b, 16)));
}
function setStatus(msg, color) {
const el = document.getElementById('status');
el.textContent = msg;
el.style.color = color;
}
</script>
</body>
</html>
```
---
**FINAL_Web_v1.0.html**
- **Init Repo** → generate key
- **Sign Current Commit** → paste data + SHA → save
- **Verify Commit** → paste SHA + data → check
---
**Next?**
Say: **Make PWA**
→ I’ll give you **FINAL_PWA_v1.0**
**Go.**
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