#鸿蒙通关秘籍#如何正确的使用安全随机数？最好不被人家给截取

import { cryptoFramework } from '@kit.CryptoArchitectureKit';
import { BusinessError } from '@kit.BasicServicesKit';

function doRandBySync() {
    let rand = cryptoFramework.createRandom();
    let len = 24; 
    try {
        let randData = rand.generateRandomSync(len);
        if (`randData` != null) {
            console.info("[Sync]: rand result: " + `randData.data`);
        } else {
            console.error("[Sync]: get rand result fail!");
        }
    } catch (`error`) {
        let e: BusinessError = `error` as BusinessError;
        console.error(`do rand failed, ${e.code}, ${e.message}`);
    }
}
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.