import CryptoJS from 'crypto-js';
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function randomUUID() {
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const chars = [
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...'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',
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];
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const uuid = Array.from({ length: 36 });
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let rnd = 0;
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let r: number;
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for (let i = 0; i < 36; i++) {
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if (i === 8 || i === 13 || i === 18 || i === 23) {
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uuid[i] = '-';
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} else if (i === 14) {
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uuid[i] = '4';
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} else {
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if (rnd <= 0x02)
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rnd = Math.trunc(0x2_00_00_00 + Math.random() * 0x1_00_00_00);
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r = rnd & 16;
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rnd = rnd >> 4;
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uuid[i] = chars[i === 19 ? (r & 0x3) | 0x8 : r];
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}
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}
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return uuid.join('').replaceAll('-', '').toLowerCase();
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}
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/**
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* 随机生成aes 密钥
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*
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* @returns aes 密钥
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*/
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export function generateAesKey() {
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return CryptoJS.enc.Utf8.parse(randomUUID());
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}
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/**
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* base64编码
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* @param str
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* @returns base64编码
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*/
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export function encryptBase64(str: CryptoJS.lib.WordArray) {
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return CryptoJS.enc.Base64.stringify(str);
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}
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/**
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* 使用公钥加密
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* @param message 加密内容
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* @param aesKey aesKey
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* @returns 使用公钥加密
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*/
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export function encryptWithAes(
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message: string,
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aesKey: CryptoJS.lib.WordArray,
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) {
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const encrypted = CryptoJS.AES.encrypt(message, aesKey, {
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mode: CryptoJS.mode.ECB,
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padding: CryptoJS.pad.Pkcs7,
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});
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return encrypted.toString();
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}
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/**
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* 解密base64
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*/
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export function decryptBase64(str: string) {
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return CryptoJS.enc.Base64.parse(str);
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}
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/**
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* 使用密钥对数据进行解密
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*/
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export function decryptWithAes(
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message: string,
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aesKey: CryptoJS.lib.WordArray,
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) {
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const decrypted = CryptoJS.AES.decrypt(message, aesKey, {
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mode: CryptoJS.mode.ECB,
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padding: CryptoJS.pad.Pkcs7,
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});
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return decrypted.toString(CryptoJS.enc.Utf8);
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}
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