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shanlanCodingshanlanCoding
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g4
g4
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‎themes/pure/source/g.html‎

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<!DOCTYPE html>
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<html lang="zh-CN">
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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=1.0">
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<title>ESP32 Activation Code Generator</title>
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<style>
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body {
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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background-color: #f4f4f9;
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display: flex;
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justify_content: center;
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align-items: center;
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min-height: 100vh;
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margin: 0;
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padding: 20px;
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box-sizing: border-box;
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}
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.card {
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background: white;
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padding: 2rem;
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border-radius: 12px;
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box-shadow: 0 4px 6px rgba(0,0,0,0.1);
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width: 100%;
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max-width: 400px;
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}
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h1 {
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color: #333;
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text-align: center;
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font-size: 1.5rem;
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margin-bottom: 1.5rem;
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}
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.form-group {
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margin-bottom: 1rem;
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}
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label {
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display: block;
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margin-bottom: 0.5rem;
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color: #666;
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font-size: 0.9rem;
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}
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input {
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width: 100%;
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padding: 0.8rem;
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border: 1px solid #ddd;
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border-radius: 6px;
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box-sizing: border-box;
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font-size: 1rem;
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font-family: monospace;
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}
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button {
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width: 100%;
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padding: 1rem;
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background-color: #007bff;
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color: white;
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border: none;
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border-radius: 6px;
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font-size: 1rem;
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cursor: pointer;
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transition: background 0.3s;
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}
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button:hover {
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background-color: #0056b3;
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}
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.result {
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margin-top: 1.5rem;
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padding: 1rem;
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background: #e9ecef;
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border-radius: 6px;
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text-align: center;
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font-family: monospace;
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font-size: 1.2rem;
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letter-spacing: 2px;
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color: #333;
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word-break: break-all;
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}
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.copy-hint {
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text-align: center;
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font-size: 0.8rem;
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color: #888;
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margin-top: 0.5rem;
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cursor: pointer;
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}
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</style>
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</head>
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<body>
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<div class="card">
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<h1>🔐 激活码生成器</h1>
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<div class="form-group">
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<label>Machine ID (机器码)</label>
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<input type="text" id="machineId" placeholder="e.g. A0B1C2D3E4F5" oninput="this.value = this.value.toUpperCase().replace(/[^A-F0-9]/g, '')" maxlength="12">
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</div>
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<div class="form-group">
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<label>Secret Salt (加密盐值)</label>
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<input type="text" id="salt" value="">
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</div>
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<button onclick="generate()">生成激活码 (Generate)</button>
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<div class="result" id="result">Waiting...</div>
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<div class="copy-hint" id="copyHint" onclick="copyResult()">点击复制结果</div>
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</div>
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<script>
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async function sha256(message) {
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// encode as UTF-8
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const msgBuffer = new TextEncoder().encode(message);
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// hash the message
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const hashBuffer = await crypto.subtle.digest('SHA-256', msgBuffer);
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// convert ArrayBuffer to Array
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const hashArray = Array.from(new Uint8Array(hashBuffer));
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// convert bytes to hex string
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const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
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return hashHex.toUpperCase();
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}
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async function generate() {
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const machineId = document.getElementById('machineId').value.trim();
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const salt = document.getElementById('salt').value;
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const resultDiv = document.getElementById('result');
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if (machineId.length < 12) {
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resultDiv.style.color = 'red';
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resultDiv.innerText = "Invalid ID Length";
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return;
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}
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try {
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const raw = machineId + salt;
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const hash = await sha256(raw);
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// Take first 16 characters
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const token = hash.substring(0, 16);
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resultDiv.style.color = '#333';
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resultDiv.innerText = token;
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} catch (e) {
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console.error(e);
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resultDiv.innerText = "Error";
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}
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}
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function copyResult() {
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const text = document.getElementById('result').innerText;
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if (text && text !== "Waiting..." && text !== "Error") {
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navigator.clipboard.writeText(text).then(() => {
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document.getElementById('copyHint').innerText = "已复制! (Copied!)";
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setTimeout(() => document.getElementById('copyHint').innerText = "点击复制结果", 2000);
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});
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}
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}
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</script>
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</body>
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</html>

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