🎉 init: 小龙的工作空间

network-tool/packages/shared-crypto/package.json

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+{
+  "name": "@network-tool/shared-crypto",
+  "version": "0.1.0",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "scripts": {
+    "build": "tsc",
+    "dev": "tsc --watch"
+  },
+  "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "jsonwebtoken": "^9.0.2",
+    "uuid": "^9.0.0"
+  },
+  "devDependencies": {
+    "@types/bcryptjs": "^2.4.6",
+    "@types/jsonwebtoken": "^9.0.5",
+    "@types/uuid": "^9.0.7",
+    "typescript": "^5.4.0"
+  }
+}

network-tool/packages/shared-crypto/src/index.ts

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+import bcrypt from 'bcryptjs';
+import jwt from 'jsonwebtoken';
+import { v4 as uuidv4 } from 'uuid';
+import crypto from 'crypto';
+
+// ============================================================
+// 密码哈希
+// ============================================================
+
+const SALT_ROUNDS = 10;
+
+export function hashPassword(password: string): Promise<string> {
+  return bcrypt.hash(password, SALT_ROUNDS);
+}
+
+export function verifyPassword(password: string, hash: string): Promise<boolean> {
+  return bcrypt.compare(password, hash);
+}
+
+// ============================================================
+// JWT
+// ============================================================
+
+export interface JwtPayload {
+  user_id: number;
+  email: string;
+  role: string;
+}
+
+export function generateToken(payload: JwtPayload, secret: string, expiresIn: string | number = '24h'): string {
+  return jwt.sign(payload, secret, { expiresIn: expiresIn as any });
+}
+
+export function verifyToken(token: string, secret: string): JwtPayload | null {
+  try {
+    return jwt.verify(token, secret) as JwtPayload;
+  } catch {
+    return null;
+  }
+}
+
+// ============================================================
+// 连接 Token（用于客户端-节点验证）
+// ============================================================
+
+export interface ConnectionTokenPayload {
+  user_id: number;
+  device_id: number;
+  node_id: number;
+  nonce: string;
+}
+
+export function generateConnectionToken(
+  payload: ConnectionTokenPayload,
+  secret: string,
+  expiresIn: string | number = '5m'
+): string {
+  return jwt.sign(payload, secret, { expiresIn: expiresIn as any });
+}
+
+export function verifyConnectionToken(
+  token: string,
+  secret: string
+): ConnectionTokenPayload | null {
+  try {
+    return jwt.verify(token, secret) as ConnectionTokenPayload;
+  } catch {
+    return null;
+  }
+}
+
+// ============================================================
+// 哈希 & ID 生成
+// ============================================================
+
+export function sha256(data: string): string {
+  return crypto.createHash('sha256').update(data).digest('hex');
+}
+
+export function generateDeviceFingerprint(seed?: string): string {
+  return sha256(seed || uuidv4());
+}
+
+export function generateMessageId(): string {
+  return uuidv4();
+}
+
+export function generateNonce(): string {
+  return crypto.randomBytes(16).toString('hex');
+}

network-tool/packages/shared-crypto/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "declaration": true,
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true
+  },
+  "include": ["src"]
+}