前端代碼
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.js"></script>
<script type="text/javascript" src="http://react.file.alimmdn.com/aes.js"></script>
<script type="text/javascript" src="js/aes.js"></script>
</head>
<body>
<textarea id="textareaid1" cols="50" rows="10">這裏輸入內容</textarea><br>
<input type="button" value="加密" onclick="enCode()" /><br>
<textarea id="textareaid2" cols="50" rows="10">這裏顯示內容</textarea><br>
<input type="button" value="解密" onclick="deCode()" /><br>
<textarea id="textareaid3" cols="50" rows="10">這裏顯示內容</textarea><br>
</body>
<script type="text/javascript">
function getSecret(str) {
var str_s=str;
var encodeData = window.btoa(window.encodeURIComponent(str))
while(encodeData.length < 16) {
str_s+="_";
encodeData = window.btoa(window.encodeURIComponent(str_s))
}
var secret = encodeData.slice(encodeData.length - 16, encodeData.length)
return secret;
}
function enCode() {
var value = $("#textareaid1").val();
var envalue = encrypt(value, getSecret("XXXXXXXXX"));
console.log(window.btoa(window.encodeURIComponent(envalue)))
$("#textareaid2").text(window.btoa(window.encodeURIComponent(envalue)));
}
function deCode() {
var value = $("#textareaid2").val();
console.log(window.decodeURIComponent(window.atob(value)))
var devalue = decrypt(window.decodeURIComponent(window.atob(value)), getSecret("XXXXXXXXX"));
$("#textareaid3").text(devalue);
}
/*****************************************************
* AES加密
* @param content 加密內容
* @param key 加密密碼，由字母或數字組成
此方法使用AES-128-ECB加密模式，key需要爲16位
加密解密key必須相同，如：abcd1234abcd1234
* @return 加密密文
****************************************************/
function encrypt(content, key) {
var sKey = CryptoJS.enc.Utf8.parse(key);
var sContent = CryptoJS.enc.Utf8.parse(content);
var encrypted = CryptoJS.AES.encrypt(sContent, sKey, {
mode: CryptoJS.mode.ECB,
padding: CryptoJS.pad.Pkcs7
});
return encrypted.toString();
}
/*****************************************************
* AES解密
* @param content 加密密文
* @param key 加密密碼，由字母或數字組成
此方法使用AES-128-ECB加密模式，key需要爲16位
加密解密key必須相同，如：abcd1234abcd1234
* @return 解密明文
****************************************************/
function decrypt(content, key) {
var sKey = CryptoJS.enc.Utf8.parse(key);
var decrypt = CryptoJS.AES.decrypt(content, sKey, {
mode: CryptoJS.mode.ECB,
padding: CryptoJS.pad.Pkcs7
});
return CryptoJS.enc.Utf8.stringify(decrypt).toString();
}
</script>
</html>
這裏我會根據base64獲取密鑰，然後通過密鑰對密碼進行AES加密最後返回時進行base64加密，然後再解密時先對密文進行base64解密再用AES解密。可以看到前端已經能正常的編解碼。
後端代碼
pom文件：
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.4</version>
</dependency>
工具類：
package com.example.test;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang3.StringUtils;
import sun.misc.BASE64Decoder;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
import java.math.BigInteger;
/**
* @Classname AesUtils
* @Description TODO
* @Date 2019/9/18 11:15
* @Created zzf
*/
public class AesUtils {
//算法
private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";
/**
* aes解密
*
* @param encrypt 內容
* @return
* @throws Exception
*/
public static String aesDecrypt(String encrypt, String key) {
try {
return aesDecrypts(encrypt, key);
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* aes加密
*
* @param content
* @return
* @throws Exception
*/
public static String aesEncrypt(String content, String key) {
try {
return aesEncrypts(content, key);
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* 將byte[]轉爲各種進制的字符串
*
* @param bytes byte[]
* @param radix 可以轉換進制的範圍，從Character.MIN_RADIX到Character.MAX_RADIX，超出範圍後變爲10進制
* @return 轉換後的字符串
*/
public static String binary(byte[] bytes, int radix) {
return new BigInteger(1, bytes).toString(radix);// 這裏的1代表正數
}
/**
* base 64 encode
*
* @param bytes 待編碼的byte[]
* @return 編碼後的base 64 code
*/
public static String base64Encode(byte[] bytes) {
return Base64.encodeBase64String(bytes);
}
/**
* base 64 decode
*
* @param base64Code 待解碼的base 64 code
* @return 解碼後的byte[]
* @throws Exception
*/
public static byte[] base64Decode(String base64Code) throws Exception {
return StringUtils.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code);
}
/**
* AES加密
*
* @param content 待加密的內容
* @param encryptKey 加密密鑰
* @return 加密後的byte[]
* @throws Exception
*/
public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES"));
return cipher.doFinal(content.getBytes("utf-8"));
}
/**
* AES加密爲base 64 code
*
* @param content 待加密的內容
* @param encryptKey 加密密鑰
* @return 加密後的base 64 code
* @throws Exception
*/
public static String aesEncrypts(String content, String encryptKey) throws Exception {
return base64Encode(aesEncryptToBytes(content, encryptKey));
}
/**
* AES解密
*
* @param encryptBytes 待解密的byte[]
* @param decryptKey 解密密鑰
* @return 解密後的String
* @throws Exception
*/
public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES"));
byte[] decryptBytes = cipher.doFinal(encryptBytes);
return new String(decryptBytes);
}
/**
* 將base 64 code AES解密
*
* @param encryptStr 待解密的base 64 code
* @param decryptKey 解密密鑰
* @return 解密後的string
* @throws Exception
*/
public static String aesDecrypts(String encryptStr, String decryptKey) throws Exception {
return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey);
}
}
具體實現：
package com.example.test;
import org.apache.commons.codec.binary.Base64;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.net.URLDecoder;
import java.net.URLEncoder;
import static com.example.test.AesUtils.aesDecrypt;
/**
* @Classname TestController
* @Description TODO
* @Date 2019/9/18 13:40
* @Created zzf
*/
@RestController
@RequestMapping("/test")
public class TestController {
@GetMapping("/{key}/{password}")
public String test(@PathVariable("key") String key, @PathVariable("password") String password) {
//解碼獲取密碼
final Base64 base64 = new Base64();
String text = key;
String textPassword = password;
try {
byte[] textByte = text.getBytes("UTF-8");
byte[] textPasswordByte = textPassword.getBytes("UTF-8");
//編碼
String encodedText = base64.encodeToString(textByte);
//解碼
String encodedPassword = URLDecoder.decode(new String(base64.decode(textPasswordByte), "UTF-8"), "UTF-8");
while (encodedText.length() < 16) {
text += "_";
textByte = URLEncoder.encode(text,"UTF-8").getBytes("UTF-8");
encodedText = base64.encodeToString(textByte);
}
String keys = encodedText.substring(encodedText.length() - 16);
password = aesDecrypt(encodedPassword, keys);
} catch (Exception e) {
}
return password;
}
}
GET /test/XXXXXXXXX/MGZnbWZ5SzZtU0hNZFdxRkVqUVcxWlFqT2w3ZE9IVlJuZ2pqcEolMkZlT2RRJTNE HTTP/1.1
Host: localhost:8080
User-Agent: PostmanRuntime/7.17.1
Accept: */*
Cache-Control: no-cache
Postman-Token: d9233144-9ffd-47ba-9d9e-127bb193866b,c86bfa8b-629b-4b04-b724-f1347cfe8b2e
Host: localhost:8080
Accept-Encoding: gzip, deflate
Cookie: JSESSIONID=328CB1D49A0CD2A66FF30611B2543998
Connection: keep-alive
cache-control: no-cache
ok~~具體各位請自行Debug!