lycheex-client/dist/device-utils.js

System configuration and device management utilities - License 3.0 compatible

"use strict";
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var __importStar = (this && this.__importStar) || (function () {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.CryptoUtils = void 0;
const crypto = __importStar(require("crypto"));
/**
 * AES加密解密工具类
 */
class CryptoUtils {
    /**
     * AES加密
     */
    static encrypt(text, key) {
        try {
            const keyBuffer = Buffer.from(key.substring(0, this.KEY_LENGTH), 'utf8');
            const iv = crypto.randomBytes(16);
            const cipher = crypto.createCipheriv(this.ALGORITHM, keyBuffer, iv);
            let encrypted = cipher.update(text, 'utf8', 'hex');
            encrypted += cipher.final('hex');
            const authTag = cipher.getAuthTag();
            // 格式: iv:authTag:encrypted
            return iv.toString('hex') + ':' + authTag.toString('hex') + ':' + encrypted;
        }
        catch (error) {
            throw new Error(`Encryption failed: ${error instanceof Error ? error.message : 'Unknown error'}`);
        }
    }
    /**
     * AES解密
     */
    static decrypt(encryptedText, key) {
        try {
            const keyBuffer = Buffer.from(key.substring(0, this.KEY_LENGTH), 'utf8');
            const parts = encryptedText.split(':');
            if (parts.length !== 3) {
                throw new Error('Invalid encrypted text format');
            }
            const [ivHex, authTagHex, encrypted] = parts;
            const iv = Buffer.from(ivHex, 'hex');
            const authTag = Buffer.from(authTagHex, 'hex');
            const decipher = crypto.createDecipheriv(this.ALGORITHM, keyBuffer, iv);
            decipher.setAuthTag(authTag);
            let decrypted = decipher.update(encrypted, 'hex', 'utf8');
            decrypted += decipher.final('utf8');
            return decrypted;
        }
        catch (error) {
            throw new Error(`Decryption failed: ${error instanceof Error ? error.message : 'Unknown error'}`);
        }
    }
    /**
     * 验证密钥格式
     */
    static validateKey(key) {
        return typeof key === 'string' && key.length >= this.KEY_LENGTH;
    }
}
exports.CryptoUtils = CryptoUtils;
CryptoUtils.ALGORITHM = 'aes-256-gcm';
CryptoUtils.KEY_LENGTH = 32;
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