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