536 lines
23 KiB
HTML
536 lines
23 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>n_signer CYD Web Serial Demo</title>
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<style>
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:root {
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--bg: #0b0f14;
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--panel: #121821;
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--panel-2: #182231;
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--text: #e6edf3;
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--muted: #9fb0c3;
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--accent: #58a6ff;
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--good: #3fb950;
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--bad: #f85149;
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--border: #263448;
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}
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* { box-sizing: border-box; }
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body {
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margin: 0;
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font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
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background: var(--bg);
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color: var(--text);
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line-height: 1.35;
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}
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.wrap { max-width: 980px; margin: 20px auto; padding: 0 14px 24px; }
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h1 { margin: 0 0 8px; font-size: 1.45rem; }
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p.note { margin: 0 0 14px; color: var(--muted); }
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.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
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.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; margin-top: 12px; }
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.card { background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
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.card h2 { font-size: 1rem; margin: 0 0 10px; }
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label { font-size: 0.86rem; color: var(--muted); display: block; margin: 6px 0 4px; }
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input, textarea, select, button { font: inherit; border-radius: 8px; border: 1px solid var(--border); }
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input, textarea, select { width: 100%; background: #0c131d; color: var(--text); padding: 8px 10px; }
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textarea { min-height: 64px; resize: vertical; }
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input[type="number"] { max-width: 130px; }
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button { background: #1f6feb; color: white; padding: 8px 12px; cursor: pointer; border: 0; }
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button[disabled] { opacity: 0.55; cursor: not-allowed; }
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.secondary { background: #334155; }
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.status { padding: 6px 10px; border-radius: 999px; background: #2a3648; color: var(--muted); font-size: 0.85rem; border: 1px solid var(--border); }
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.status.ok { color: var(--good); border-color: #2f5a3a; }
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.status.err { color: var(--bad); border-color: #6a3131; }
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pre { margin: 8px 0 0; background: #0a1018; border: 1px solid #1b2636; color: #d7e2ee; padding: 10px; border-radius: 8px; overflow: auto; max-height: 200px; font-size: 12px; }
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.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
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.warn { color: #d29922; font-size: 0.8rem; }
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</style>
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</head>
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<body>
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<div class="wrap">
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<h1>n_signer CYD Web Serial Demo</h1>
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<p class="note">Connect to the CYD (CH340 serial) via Web Serial, then exercise every algorithm and verb in the n_signer API. Chrome/Edge/Brave/Opera only.</p>
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<div class="card">
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<div class="row">
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<button id="connectBtn">Connect Web Serial</button>
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<button id="disconnectBtn" class="secondary" disabled>Disconnect</button>
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<span id="connStatus" class="status">Disconnected</span>
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</div>
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<pre id="log" class="mono"></pre>
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</div>
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<div class="grid">
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<!-- Get Public Key (algorithm-based) -->
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<section class="card">
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<h2>Get Public Key (algorithm)</h2>
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<label for="gpkAlg">Algorithm</label>
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<select id="gpkAlg">
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<option>secp256k1</option><option>ed25519</option><option>x25519</option>
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<option>ml-dsa-65</option><option>slh-dsa-128s</option><option>ml-kem-768</option>
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</select>
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<label for="gpkIdx">Index</label>
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<input id="gpkIdx" type="number" value="0" min="0" />
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<div class="row" style="margin-top:10px">
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<button id="gpkBtn" disabled>get_public_key</button>
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</div>
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<pre id="gpkOut" class="mono"></pre>
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</section>
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<!-- Nostr Get Public Key -->
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<section class="card">
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<h2>nostr_get_public_key</h2>
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<label for="ngpkIdx">nostr_index</label>
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<input id="ngpkIdx" type="number" value="0" min="0" />
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<label for="ngpkFmt">format</label>
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<select id="ngpkFmt"><option>bare</option><option>structured</option></select>
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<div class="row" style="margin-top:10px">
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<button id="ngpkBtn" disabled>nostr_get_public_key</button>
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</div>
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<pre id="ngpkOut" class="mono"></pre>
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</section>
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<!-- Sign / Verify -->
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<section class="card">
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<h2>sign / verify</h2>
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<label for="signAlg">Algorithm</label>
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<select id="signAlg">
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<option>secp256k1</option><option>ed25519</option><option>ml-dsa-65</option><option>slh-dsa-128s</option>
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</select>
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<label for="signIdx">Index</label>
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<input id="signIdx" type="number" value="0" min="0" />
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<label for="signScheme">scheme (secp256k1 only)</label>
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<select id="signScheme"><option>schnorr</option><option>ecdsa</option></select>
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<label for="signMsg">message (hex)</label>
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<input id="signMsg" value="68656c6c6f" />
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<div class="row" style="margin-top:10px">
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<button id="signBtn" disabled>sign</button>
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<button id="verifyBtn" disabled>verify</button>
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</div>
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<pre id="signOut" class="mono"></pre>
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</section>
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<!-- KEM encapsulate / decapsulate -->
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<section class="card">
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<h2>encapsulate / decapsulate (ml-kem-768)</h2>
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<label for="kemPeer">peer pubkey hex (1184 bytes / 2368 hex) — leave empty to use self pubkey</label>
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<textarea id="kemPeer" placeholder="auto: uses ml-kem-768 get_public_key"></textarea>
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<label for="kemIdx">index (for decapsulate)</label>
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<input id="kemIdx" type="number" value="0" min="0" />
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<label for="kemCt">ciphertext hex (for decapsulate)</label>
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<textarea id="kemCt" placeholder="filled by encapsulate"></textarea>
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<div class="row" style="margin-top:10px">
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<button id="encapBtn" disabled>encapsulate</button>
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<button id="decapBtn" disabled>decapsulate</button>
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</div>
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<pre id="kemOut" class="mono"></pre>
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</section>
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<!-- derive_shared_secret (x25519) -->
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<section class="card">
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<h2>derive_shared_secret (x25519)</h2>
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<label for="x25519Peer">peer pubkey hex (32 bytes / 64 hex)</label>
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<input id="x25519Peer" placeholder="64 hex chars" />
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<label for="x25519Idx">index</label>
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<input id="x25519Idx" type="number" value="0" min="0" />
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<div class="row" style="margin-top:10px">
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<button id="x25519Btn" disabled>derive_shared_secret</button>
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</div>
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<pre id="x25519Out" class="mono"></pre>
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</section>
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<!-- derive (HMAC) -->
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<section class="card">
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<h2>derive (secp256k1 HMAC-SHA256)</h2>
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<label for="deriveData">data (UTF-8 string)</label>
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<input id="deriveData" value="hello-derive" />
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<label for="deriveIdx">index (required)</label>
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<input id="deriveIdx" type="number" value="0" min="0" />
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<div class="row" style="margin-top:10px">
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<button id="deriveBtn" disabled>derive</button>
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</div>
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<pre id="deriveOut" class="mono"></pre>
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</section>
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<!-- Nostr Sign Event -->
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<section class="card">
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<h2>nostr_sign_event</h2>
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<label for="nseContent">content</label>
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<textarea id="nseContent">hello from cyd webserial demo</textarea>
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<label for="nseIdx">nostr_index</label>
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<input id="nseIdx" type="number" value="0" min="0" />
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<div class="row" style="margin-top:10px">
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<button id="nseBtn" disabled>nostr_sign_event</button>
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</div>
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<pre id="nseOut" class="mono"></pre>
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</section>
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<!-- Nostr Mine Event -->
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<section class="card">
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<h2>nostr_mine_event</h2>
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<p class="warn">Slow on ESP32 — uses single-threaded PoW. Keep difficulty low.</p>
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<label for="nmeContent">content</label>
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<textarea id="nmeContent">mined by cyd</textarea>
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<label for="nmeIdx">nostr_index</label>
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<input id="nmeIdx" type="number" value="0" min="0" />
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<label for="nmeDiff">difficulty (leading zero bits)</label>
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<input id="nmeDiff" type="number" value="4" min="1" max="16" />
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<label for="nmeTimeout">timeout (sec)</label>
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<input id="nmeTimeout" type="number" value="30" min="1" max="60" />
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<div class="row" style="margin-top:10px">
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<button id="nmeBtn" disabled>nostr_mine_event</button>
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</div>
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<pre id="nmeOut" class="mono"></pre>
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</section>
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<!-- NIP-04 -->
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<section class="card">
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<h2>nostr_nip04_encrypt / decrypt</h2>
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<label for="nip04Peer">peer pubkey hex (32-byte x-only)</label>
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<input id="nip04Peer" placeholder="64 hex chars" />
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<label for="nip04Msg">plaintext</label>
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<textarea id="nip04Msg">hello via nip04</textarea>
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<label for="nip04Cipher">ciphertext (for decrypt)</label>
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<textarea id="nip04Cipher" placeholder="ciphertext?iv=..."></textarea>
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<label for="nip04Idx">nostr_index</label>
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<input id="nip04Idx" type="number" value="0" min="0" />
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<div class="row" style="margin-top:10px">
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<button id="nip04EncBtn" disabled>encrypt</button>
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<button id="nip04DecBtn" disabled>decrypt</button>
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</div>
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<pre id="nip04Out" class="mono"></pre>
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</section>
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<!-- NIP-44 -->
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<section class="card">
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<h2>nostr_nip44_encrypt / decrypt</h2>
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<label for="nip44Peer">peer pubkey hex (32-byte x-only)</label>
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<input id="nip44Peer" placeholder="64 hex chars" />
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<label for="nip44Msg">plaintext</label>
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<textarea id="nip44Msg">hello via nip44</textarea>
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<label for="nip44Cipher">ciphertext (for decrypt)</label>
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<textarea id="nip44Cipher" placeholder="base64 payload"></textarea>
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<label for="nip44Idx">nostr_index</label>
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<input id="nip44Idx" type="number" value="0" min="0" />
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<div class="row" style="margin-top:10px">
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<button id="nip44EncBtn" disabled>encrypt</button>
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<button id="nip44DecBtn" disabled>decrypt</button>
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</div>
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<pre id="nip44Out" class="mono"></pre>
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</section>
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<!-- OTP encrypt / decrypt -->
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<section class="card">
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<h2>encrypt / decrypt (otp)</h2>
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<p class="note">OTP pad is derived from the mnemonic on the CYD. Offset advances monotonically.</p>
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<label for="otpPlain">plaintext (base64)</label>
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<textarea id="otpPlain">SGVsbG8sIE9UUCB3b3JsZCE=</textarea>
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<label for="otpCipher">ciphertext (for decrypt, base64)</label>
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<textarea id="otpCipher" placeholder="filled by encrypt"></textarea>
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<label for="otpEnc">encoding</label>
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<select id="otpEnc"><option>ascii</option><option>binary</option></select>
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<div class="row" style="margin-top:10px">
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<button id="otpEncBtn" disabled>encrypt</button>
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<button id="otpDecBtn" disabled>decrypt</button>
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</div>
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<pre id="otpOut" class="mono"></pre>
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</section>
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</div>
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</div>
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<script type="module">
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import { schnorr } from "https://esm.sh/@noble/curves@1.5.0/secp256k1?bundle";
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const logEl = document.getElementById("log");
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const connStatusEl = document.getElementById("connStatus");
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const connectBtn = document.getElementById("connectBtn");
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const disconnectBtn = document.getElementById("disconnectBtn");
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let port = null;
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let reader = null;
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let writer = null;
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let readLoopRunning = false;
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let rxBuffer = new Uint8Array(0);
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let pendingResolve = null;
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function log(...args) {
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logEl.textContent += args.join(" ") + "\n";
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logEl.scrollTop = logEl.scrollHeight;
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}
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function setStatus(text, mode = "") {
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connStatusEl.textContent = text;
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connStatusEl.className = `status ${mode}`.trim();
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}
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function hex(bytes) {
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return Array.from(bytes).map(b => b.toString(16).padStart(2, "0")).join("");
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}
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function utf8(s) { return new TextEncoder().encode(s); }
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function be32(n) {
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return new Uint8Array([(n >>> 24) & 0xff, (n >>> 16) & 0xff, (n >>> 8) & 0xff, n & 0xff]);
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}
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async function sha256Hex(dataBytes) {
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const h = await crypto.subtle.digest("SHA-256", dataBytes);
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return hex(new Uint8Array(h));
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}
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function pretty(value) {
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try { return JSON.stringify(value, null, 2); } catch { return String(value); }
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}
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async function buildAuth(method, params) {
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const callerPriv = Uint8Array.from({ length: 32 }, (_, i) => i + 1);
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const callerPubX = hex(schnorr.getPublicKey(callerPriv));
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const createdAt = Math.floor(Date.now() / 1000);
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const paramsJson = JSON.stringify(params);
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const bodyHash = await sha256Hex(utf8(paramsJson));
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const tags = [
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["nsigner_rpc", "1"],
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["nsigner_method", method],
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["nsigner_body_hash", bodyHash],
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];
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const content = "cyd-webserial-demo";
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const ser = JSON.stringify([0, callerPubX, createdAt, 27235, tags, content]);
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const id = await sha256Hex(utf8(ser));
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const sigBytes = await schnorr.sign(id, callerPriv, new Uint8Array(32));
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const sigHex = typeof sigBytes === "string" ? sigBytes : hex(sigBytes);
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return { id, pubkey: callerPubX, created_at: createdAt, kind: 27235, tags, content, sig: sigHex };
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}
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/* ---- Web Serial transport ---- */
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async function readLoop() {
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readLoopRunning = true;
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while (readLoopRunning && reader) {
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try {
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const { value, done } = await reader.read();
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if (done) break;
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if (value) {
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const next = new Uint8Array(rxBuffer.length + value.length);
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next.set(rxBuffer, 0);
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next.set(value, rxBuffer.length);
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rxBuffer = next;
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tryDeliver();
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}
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} catch (e) {
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log("read error:", e.message);
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break;
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}
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}
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readLoopRunning = false;
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}
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function tryDeliver() {
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if (pendingResolve === null) return;
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while (rxBuffer.length >= 4) {
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const len = (rxBuffer[0] << 24) | (rxBuffer[1] << 16) | (rxBuffer[2] << 8) | rxBuffer[3];
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if (len <= 0 || len > 16384) {
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/* resync: drop one byte */
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rxBuffer = rxBuffer.slice(1);
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continue;
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}
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if (rxBuffer.length < 4 + len) return;
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const payload = rxBuffer.slice(4, 4 + len);
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rxBuffer = rxBuffer.slice(4 + len);
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const text = new TextDecoder().decode(payload);
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let parsed;
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try { parsed = JSON.parse(text); } catch { parsed = text; }
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const r = pendingResolve;
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pendingResolve = null;
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r(parsed);
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if (pendingResolve === null) return;
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}
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}
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async function sendRpc(reqObj) {
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if (!writer) throw new Error("not connected");
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const body = utf8(JSON.stringify(reqObj));
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const frame = new Uint8Array(4 + body.length);
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frame.set(be32(body.length), 0);
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frame.set(body, 4);
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await writer.write(frame);
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const resp = await new Promise((resolve, reject) => {
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pendingResolve = resolve;
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setTimeout(() => {
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if (pendingResolve === resolve) {
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pendingResolve = null;
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reject(new Error("timeout (30s) — check the CYD screen for an approval prompt"));
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}
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}, 65000);
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});
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return resp;
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}
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async function callVerb(method, params, outEl) {
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outEl.textContent = "→ " + method + " " + JSON.stringify(params);
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try {
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const auth = await buildAuth(method, params);
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const req = { id: String(Math.floor(Math.random() * 1e9)), method, params, auth };
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const resp = await sendRpc(req);
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outEl.textContent += "\n← " + pretty(resp);
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} catch (e) {
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outEl.textContent += "\n✗ " + e.message;
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}
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}
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/* ---- Connect / Disconnect ---- */
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connectBtn.addEventListener("click", async () => {
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try {
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port = await navigator.serial.requestPort();
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await port.open({ baudRate: 115200 });
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reader = port.readable.getReader();
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writer = port.writable.getWriter();
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rxBuffer = new Uint8Array(0);
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readLoop();
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setStatus("Connected", "ok");
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log("Connected to CYD via Web Serial @ 115200 baud");
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document.querySelectorAll("button[id$='Btn']").forEach(b => {
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if (b !== connectBtn && b !== disconnectBtn) b.disabled = false;
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});
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disconnectBtn.disabled = false;
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connectBtn.disabled = true;
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} catch (e) {
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setStatus("Error", "err");
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log("connect failed:", e.message);
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}
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});
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disconnectBtn.addEventListener("click", async () => {
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readLoopRunning = false;
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try { if (reader) await reader.cancel(); } catch {}
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try { if (writer) await writer.releaseLock(); } catch {}
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try { if (port) await port.close(); } catch {}
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reader = null; writer = null; port = null;
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setStatus("Disconnected");
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document.querySelectorAll("button[id$='Btn']").forEach(b => {
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if (b !== connectBtn) b.disabled = true;
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});
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connectBtn.disabled = false;
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disconnectBtn.disabled = true;
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log("Disconnected");
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});
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/* ---- Verb wiring ---- */
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const $ = id => document.getElementById(id);
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$("gpkBtn").addEventListener("click", () => {
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const alg = $("gpkAlg").value, idx = Number($("gpkIdx").value || 0);
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callVerb("get_public_key", [{ algorithm: alg, index: idx }], $("gpkOut"));
|
|
});
|
|
$("ngpkBtn").addEventListener("click", () => {
|
|
const idx = Number($("ngpkIdx").value || 0), fmt = $("ngpkFmt").value;
|
|
const opts = { nostr_index: idx };
|
|
if (fmt === "structured") opts.format = "structured";
|
|
callVerb("nostr_get_public_key", [opts], $("ngpkOut"));
|
|
});
|
|
|
|
$("signBtn").addEventListener("click", () => {
|
|
const alg = $("signAlg").value, idx = Number($("signIdx").value || 0);
|
|
const scheme = $("signScheme").value, msg = $("signMsg").value;
|
|
const opts = { algorithm: alg, index: idx };
|
|
if (alg === "secp256k1") opts.scheme = scheme;
|
|
callVerb("sign", [msg, opts], $("signOut"));
|
|
});
|
|
$("verifyBtn").addEventListener("click", async () => {
|
|
const alg = $("signAlg").value, idx = Number($("signIdx").value || 0);
|
|
const scheme = $("signScheme").value, msg = $("signMsg").value;
|
|
const opts = { algorithm: alg, index: idx };
|
|
if (alg === "secp256k1") opts.scheme = scheme;
|
|
/* parse the last sign result to get the signature */
|
|
const outText = $("signOut").textContent;
|
|
const m = outText.match(/"signature"\s*:\s*"([0-9a-f]+)"/);
|
|
if (!m) { $("signOut").textContent += "\n✗ no signature found — run sign first"; return; }
|
|
callVerb("verify", [msg, m[1], opts], $("signOut"));
|
|
});
|
|
|
|
$("encapBtn").addEventListener("click", async () => {
|
|
let peer = $("kemPeer").value.trim();
|
|
if (!peer) {
|
|
/* fetch self ml-kem-768 pubkey first */
|
|
const opts = [{ algorithm: "ml-kem-768", index: Number($("kemIdx").value || 0) }];
|
|
const auth = await buildAuth("get_public_key", opts);
|
|
const resp = await sendRpc({ id: String(Math.floor(Math.random()*1e9)), method: "get_public_key", params: opts, auth });
|
|
peer = resp.result && JSON.parse(resp.result).public_key;
|
|
if (!peer) { $("kemOut").textContent = "✗ could not fetch self pubkey"; return; }
|
|
$("kemPeer").value = peer;
|
|
}
|
|
callVerb("encapsulate", [peer, { algorithm: "ml-kem-768" }], $("kemOut"));
|
|
});
|
|
$("decapBtn").addEventListener("click", () => {
|
|
const ct = $("kemCt").value.trim();
|
|
const idx = Number($("kemIdx").value || 0);
|
|
if (!ct) { $("kemOut").textContent = "✗ paste a ciphertext first (from encapsulate)"; return; }
|
|
callVerb("decapsulate", [ct, { algorithm: "ml-kem-768", index: idx }], $("kemOut"));
|
|
});
|
|
|
|
$("x25519Btn").addEventListener("click", () => {
|
|
const peer = $("x25519Peer").value.trim();
|
|
const idx = Number($("x25519Idx").value || 0);
|
|
if (!peer) { $("x25519Out").textContent = "✗ enter peer pubkey"; return; }
|
|
callVerb("derive_shared_secret", [peer, { algorithm: "x25519", index: idx }], $("x25519Out"));
|
|
});
|
|
|
|
$("deriveBtn").addEventListener("click", () => {
|
|
const data = $("deriveData").value;
|
|
const idx = Number($("deriveIdx").value || 0);
|
|
callVerb("derive", [data, { algorithm: "secp256k1", index: idx }], $("deriveOut"));
|
|
});
|
|
|
|
$("nseBtn").addEventListener("click", () => {
|
|
const content = $("nseContent").value;
|
|
const idx = Number($("nseIdx").value || 0);
|
|
const event = { kind: 1, created_at: Math.floor(Date.now()/1000), tags: [], content };
|
|
callVerb("nostr_sign_event", [event, { nostr_index: idx }], $("nseOut"));
|
|
});
|
|
|
|
$("nmeBtn").addEventListener("click", () => {
|
|
const content = $("nmeContent").value;
|
|
const idx = Number($("nmeIdx").value || 0);
|
|
const diff = Number($("nmeDiff").value || 4);
|
|
const timeout = Number($("nmeTimeout").value || 30);
|
|
const event = { kind: 1, created_at: Math.floor(Date.now()/1000), tags: [], content };
|
|
callVerb("nostr_mine_event", [event, { nostr_index: idx, difficulty: diff, timeout_sec: timeout }], $("nmeOut"));
|
|
});
|
|
|
|
const nip04Enc = () => {
|
|
const peer = $("nip04Peer").value.trim(), msg = $("nip04Msg").value, idx = Number($("nip04Idx").value || 0);
|
|
if (!peer) { $("nip04Out").textContent = "✗ enter peer pubkey"; return; }
|
|
callVerb("nostr_nip04_encrypt", [peer, msg, { nostr_index: idx }], $("nip04Out"));
|
|
};
|
|
const nip04Dec = () => {
|
|
const peer = $("nip04Peer").value.trim(), ct = $("nip04Cipher").value, idx = Number($("nip04Idx").value || 0);
|
|
if (!peer || !ct) { $("nip04Out").textContent = "✗ enter peer pubkey + ciphertext"; return; }
|
|
callVerb("nostr_nip04_decrypt", [peer, ct, { nostr_index: idx }], $("nip04Out"));
|
|
};
|
|
$("nip04EncBtn").addEventListener("click", nip04Enc);
|
|
$("nip04DecBtn").addEventListener("click", nip04Dec);
|
|
|
|
const nip44Enc = () => {
|
|
const peer = $("nip44Peer").value.trim(), msg = $("nip44Msg").value, idx = Number($("nip44Idx").value || 0);
|
|
if (!peer) { $("nip44Out").textContent = "✗ enter peer pubkey"; return; }
|
|
callVerb("nostr_nip44_encrypt", [peer, msg, { nostr_index: idx }], $("nip44Out"));
|
|
};
|
|
const nip44Dec = () => {
|
|
const peer = $("nip44Peer").value.trim(), ct = $("nip44Cipher").value, idx = Number($("nip44Idx").value || 0);
|
|
if (!peer || !ct) { $("nip44Out").textContent = "✗ enter peer pubkey + ciphertext"; return; }
|
|
callVerb("nostr_nip44_decrypt", [peer, ct, { nostr_index: idx }], $("nip44Out"));
|
|
};
|
|
$("nip44EncBtn").addEventListener("click", nip44Enc);
|
|
$("nip44DecBtn").addEventListener("click", nip44Dec);
|
|
|
|
$("otpEncBtn").addEventListener("click", () => {
|
|
const pt = $("otpPlain").value, enc = $("otpEnc").value;
|
|
callVerb("encrypt", [pt, { algorithm: "otp", encoding: enc }], $("otpOut"));
|
|
});
|
|
$("otpDecBtn").addEventListener("click", () => {
|
|
const ct = $("otpCipher").value, enc = $("otpEnc").value;
|
|
if (!ct) { $("otpOut").textContent = "✗ paste ciphertext first (from encrypt)"; return; }
|
|
callVerb("decrypt", [ct, { algorithm: "otp", encoding: enc }], $("otpOut"));
|
|
});
|
|
|
|
if (!("serial" in navigator)) {
|
|
log("Web Serial not supported in this browser. Use Chrome/Edge/Brave/Opera.");
|
|
connectBtn.disabled = true;
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|