前端使用CryptoJS
下载CryptoJS, Github : https://github.com/brix/crypto-js
引入JS
<script src="./js/crypto-js.js"></script> <script src="./js/aes.js"></script><script> var key = '3132333435363738393041424344454631323334353637383930414243444566'; console.log('密钥：', key); key = CryptoJS.enc.Hex.parse(key) iv = CryptoJS.enc.Hex.parse("30313233343536373839414243444546") var src = "werty7890"; console.log('原字符串：', src); var enc = CryptoJS.AES.encrypt(src ,key,{ iv:iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 }) //console.log('加密:',enc.toString()); var enced = enc.ciphertext.toString() console.log("加密：", enced); var dec = CryptoJS.AES.decrypt(CryptoJS.format.Hex.parse(enced), key,{ iv:iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 }) console.log('解密:',CryptoJS.enc.Utf8.stringify(dec)); </script>结果： 
import java.io.UnsupportedEncodingException; import java.nio.charset.Charset; import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.KeyGenerator; import javax.crypto.NoSuchPaddingException; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class AES { private static String iv = "0123456789ABCDEF";//偏移量字符串必须是16位 当模式是CBC的时候必须设置偏移量 private static String Algorithm = "AES"; private static String AlgorithmProvider = "AES/CBC/PKCS5Padding"; //算法/模式/补码方式 public static byte[] generatorKey() throws NoSuchAlgorithmException { KeyGenerator keyGenerator = KeyGenerator.getInstance(Algorithm); keyGenerator.init(256);//默认128，获得无政策权限后可为192或256 SecretKey secretKey = keyGenerator.generateKey(); return secretKey.getEncoded(); } public static IvParameterSpec getIv() throws UnsupportedEncodingException { IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes("utf-8")); System.out.println("偏移量："+byteToHexString(ivParameterSpec.getIV())); return ivParameterSpec; } public static byte[] encrypt(String src, byte[] key) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, UnsupportedEncodingException, InvalidAlgorithmParameterException { SecretKey secretKey = new SecretKeySpec(key, Algorithm); IvParameterSpec ivParameterSpec = getIv(); Cipher cipher = Cipher.getInstance(AlgorithmProvider); cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivParameterSpec); byte[] cipherBytes = cipher.doFinal(src.getBytes(Charset.forName("utf-8"))); return cipherBytes; } public static byte[] decrypt(String src, byte[] key) throws Exception { SecretKey secretKey = new SecretKeySpec(key, Algorithm); IvParameterSpec ivParameterSpec = getIv(); Cipher cipher = Cipher.getInstance(AlgorithmProvider); cipher.init(Cipher.DECRYPT_MODE, secretKey, ivParameterSpec); byte[] hexBytes = hexStringToBytes(src); byte[] plainBytes = cipher.doFinal(hexBytes); return plainBytes; } /** * 将byte转换为16进制字符串 * @param src * @return */ public static String byteToHexString(byte[] src) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < src.length; i++) { int v = src[i] & 0xff; String hv = Integer.toHexString(v); if (hv.length() < 2) { sb.append("0"); } sb.append(hv); } return sb.toString(); } /** * 将16进制字符串装换为byte数组 * @param hexString * @return */ public static byte[] hexStringToBytes(String hexString) { hexString = hexString.toUpperCase(); int length = hexString.length() / 2; char[] hexChars = hexString.toCharArray(); byte[] b = new byte[length]; for (int i = 0; i < length; i++) { int pos = i * 2; b[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1])); } return b; } private static byte charToByte(char c) { return (byte) "0123456789ABCDEF".indexOf(c); } public static void main(String[] args) { try { // byte key[] = generatorKey(); // 密钥必须是16的倍数 byte key[] = "1234567890ABCDEF1234567890ABCDEf".getBytes("utf-8");//hexStringToBytes("0123456789ABCDEF"); String src = "werty7890"; System.out.println("密钥:"+byteToHexString(key)); System.out.println("原字符串:"+src); String enc = byteToHexString(encrypt(src, key)); System.out.println("加密："+enc); System.out.println("解密："+new String(decrypt(enc, key), "utf-8")); } catch (InvalidKeyException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (NoSuchPaddingException e) { e.printStackTrace(); } catch (IllegalBlockSizeException e) { e.printStackTrace(); } catch (BadPaddingException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } } 结果 
引入JS
<script src="./js/crypto-js.js"></script> <script src="./js/aes.js"></script><script> var key = '3132333435363738393041424344454631323334353637383930414243444566'; console.log('密钥：', key); key = CryptoJS.enc.Hex.parse(key) //iv = CryptoJS.enc.Hex.parse("30313233343536373839414243444546") //console.log('偏移量:',CryptoJS.enc.Hex.stringify(iv)); var src = "werty7890"; console.log('原字符串：', src); var enc = CryptoJS.AES.encrypt(src ,key,{ //iv:iv, mode: CryptoJS.mode.ECB, padding: CryptoJS.pad.Pkcs7 }) //console.log('加密:',enc.toString()); var enced = enc.ciphertext.toString() console.log("加密：", enced); var dec = CryptoJS.AES.decrypt(CryptoJS.format.Hex.parse(enced), key,{ //iv:iv, mode: CryptoJS.mode.ECB, padding: CryptoJS.pad.Pkcs7 }) console.log('解密:',CryptoJS.enc.Utf8.stringify(dec)); </script>结果： 
import java.io.UnsupportedEncodingException; import java.nio.charset.Charset; import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.KeyGenerator; import javax.crypto.NoSuchPaddingException; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class AES { private static String iv = "0123456789ABCDEF";//偏移量字符串必须是16位 当模式是CBC的时候必须设置偏移量 private static String Algorithm = "AES"; private static String AlgorithmProvider = "AES/ECB/PKCS5Padding"; // 算法/模式/补码方式 public static byte[] generatorKey() throws NoSuchAlgorithmException { KeyGenerator keyGenerator = KeyGenerator.getInstance(Algorithm); keyGenerator.init(256);//默认128，获得无政策权限后可为192或256 SecretKey secretKey = keyGenerator.generateKey(); return secretKey.getEncoded(); } public static IvParameterSpec getIv() throws UnsupportedEncodingException { IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes("utf-8")); System.out.println("偏移量："+byteToHexString(ivParameterSpec.getIV())); return ivParameterSpec; } public static byte[] encrypt(String src, byte[] key) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, UnsupportedEncodingException, InvalidAlgorithmParameterException { SecretKey secretKey = new SecretKeySpec(key, Algorithm); //IvParameterSpec ivParameterSpec = getIv(); Cipher cipher = Cipher.getInstance(AlgorithmProvider); cipher.init(Cipher.ENCRYPT_MODE, secretKey); byte[] cipherBytes = cipher.doFinal(src.getBytes(Charset.forName("utf-8"))); return cipherBytes; } public static byte[] decrypt(String src, byte[] key) throws Exception { SecretKey secretKey = new SecretKeySpec(key, Algorithm); //IvParameterSpec ivParameterSpec = getIv(); Cipher cipher = Cipher.getInstance(AlgorithmProvider); cipher.init(Cipher.DECRYPT_MODE, secretKey); byte[] hexBytes = hexStringToBytes(src); byte[] plainBytes = cipher.doFinal(hexBytes); return plainBytes; } /** * 将byte转换为16进制字符串 * @param src * @return */ public static String byteToHexString(byte[] src) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < src.length; i++) { int v = src[i] & 0xff; String hv = Integer.toHexString(v); if (hv.length() < 2) { sb.append("0"); } sb.append(hv); } return sb.toString(); } /** * 将16进制字符串装换为byte数组 * @param hexString * @return */ public static byte[] hexStringToBytes(String hexString) { hexString = hexString.toUpperCase(); int length = hexString.length() / 2; char[] hexChars = hexString.toCharArray(); byte[] b = new byte[length]; for (int i = 0; i < length; i++) { int pos = i * 2; b[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1])); } return b; } private static byte charToByte(char c) { return (byte) "0123456789ABCDEF".indexOf(c); } public static void main(String[] args) { try { // byte key[] = generatorKey(); // 密钥必须是16的倍数 byte key[] = "1234567890ABCDEF1234567890ABCDEf".getBytes("utf-8");//hexStringToBytes("0123456789ABCDEF"); String src = "werty7890"; System.out.println("密钥:"+byteToHexString(key)); System.out.println("原字符串:"+src); String enc = byteToHexString(encrypt(src, key)); System.out.println("加密："+enc); System.out.println("解密："+new String(decrypt(enc, key), "utf-8")); } catch (InvalidKeyException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (NoSuchPaddingException e) { e.printStackTrace(); } catch (IllegalBlockSizeException e) { e.printStackTrace(); } catch (BadPaddingException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } } 结果 