AES(ECB/CBC) JS实现加密解密

本是古典何须时尚 2023-10-07 21:42 13阅读 0赞

[https://github.com/sytelus/CryptoJS][https_github.com_sytelus_CryptoJS]

其中 CryptoJS 使用的谷歌开源 [https://code.google.com/p/crypto-js/][https_code.google.com_p_crypto-js]

[https://code.google.com/archive/p/crypto-js/downloads][https_code.google.com_archive_p_crypto-js_downloads]

AES对称加密，比DES安全性高。  
AES分为ECB和CBC两种方式。  
CBC模式比ECB模式安全。  
ECB模式比CBC模式快。

## CBC加密解密方式 ##

下载完成后在页面中引入  
rollups/aes.js  
components/pad-zeropadding.js

<!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>aes</title>
        <script src="aes.js"></script>
        <script src="pad-zeropadding.js"></script>
    </head>
    <body>
    
    <script type="text/javascript">
        CBC();
        function CBC() {
            var key = "0000000671595991";
            var iv = "tdrdadq59tbss5n7";
            var pazzword = '123456';
            console.log('pazzword：' + pazzword);
            // aes 加密
            pazzword = encrypt(pazzword, key, iv);
            console.log('加密后：' + pazzword);
            if (pazzword.length == 24) {
                pazzword = decrypt(pazzword, key, iv);
                console.log('解密后：' + pazzword);
            }
        }
    
        // 加密
        function encrypt(data, key, iv) { //key,iv：16位的字符串
            var key1 = CryptoJS.enc.Latin1.parse(key);
            var iv1 = CryptoJS.enc.Latin1.parse(iv);
            return CryptoJS.AES.encrypt(data, key1, {
                iv: iv1,
                mode: CryptoJS.mode.CBC,
                padding: CryptoJS.pad.ZeroPadding
            }).toString();
        }
    
        // 解密
        function decrypt(data, key, iv) { //key,iv：16位的字符串
            var key1 = CryptoJS.enc.Latin1.parse(key);
            var iv1 = CryptoJS.enc.Latin1.parse(iv);
            var decrypted = CryptoJS.AES.decrypt(data, key1, {
                iv: iv1,
                mode: CryptoJS.mode.CBC,
                padding: CryptoJS.pad.ZeroPadding
            });
            return decrypted.toString(CryptoJS.enc.Utf8);
        }
    </script>
    </body>
    </html>

## ECB加密解密方式 ##

下载完成后在页面中引入  
rollups/aes.js  
components/mode-ecb.js  
components/pad-zeropadding.js

<!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>aes</title>
        <script src="aes.js"></script>
        <script src="mode-ecb.js"></script>
        <script src="pad-zeropadding.js"></script>
    </head>
    <body>
    
    <script type="text/javascript">
        ECB();
        function ECB() {
            var key = "0000000671595991";
            var iv = "tdrdadq59tbss5n7";
            var pazzword = '123456';
            console.log('pazzword：' + pazzword);
            // aes 加密
            pazzword = encrypt(pazzword, key, iv);
            console.log('加密后：' + pazzword);
            if (pazzword.length == 24) {
                pazzword = decrypt(pazzword, key, iv);
                console.log('解密后：' + pazzword);
            }
        }
    
        // 加密
        function encrypt(data, key, iv) { //key,iv：16位的字符串
            var key1 = CryptoJS.enc.Latin1.parse(key);
            var iv1 = CryptoJS.enc.Latin1.parse(iv);
            return CryptoJS.AES.encrypt(data, key1, {
                iv: iv1,
                mode: CryptoJS.mode.ECB,
                padding: CryptoJS.pad.ZeroPadding
            }).toString();
        }
    
        // 解密
        function decrypt(data, key, iv) { //key,iv：16位的字符串
            var key1 = CryptoJS.enc.Latin1.parse(key);
            var iv1 = CryptoJS.enc.Latin1.parse(iv);
            var decrypted = CryptoJS.AES.decrypt(data, key1, {
                iv: iv1,
                mode: CryptoJS.mode.ECB,
                padding: CryptoJS.pad.ZeroPadding
            });
            return decrypted.toString(CryptoJS.enc.Utf8);
        }
    </script>
    </body>
    </html>

## Java实现方式 ##

[AES对称加密\_小百菜的博客-CSDN博客][AES_-CSDN]

注意修改代码中的填充方式：

AES/CBC/PKCS5Padding 改为 AES/CBC/NoPadding

AES/ECB/PKCS5Padding 改为 AES/ECB/NoPadding

## 在线测试 ##

在线测试[http://tool.chacuo.net/cryptaes][http_tool.chacuo.net_cryptaes]

[https_github.com_sytelus_CryptoJS]: https://github.com/sytelus/CryptoJS
[https_code.google.com_p_crypto-js]: https://code.google.com/p/crypto-js/
[https_code.google.com_archive_p_crypto-js_downloads]: https://code.google.com/archive/p/crypto-js/downloads
[AES_-CSDN]: https://blog.csdn.net/u014644574/article/details/103672527
[http_tool.chacuo.net_cryptaes]: http://tool.chacuo.net/cryptaes