Java AES加密解密的简单实现方法
废话不多说，直接上代码
packagecom.mstf.aes;
importjava.io.UnsupportedEncodingException;
importjava.security.InvalidKeyException;
importjava.security.NoSuchAlgorithmException;
importjava.security.SecureRandom;
importjavax.crypto.BadPaddingException;
importjavax.crypto.Cipher;
importjavax.crypto.IllegalBlockSizeException;
importjavax.crypto.KeyGenerator;
importjavax.crypto.NoSuchPaddingException;
importjavax.crypto.SecretKey;
importjavax.crypto.spec.SecretKeySpec;
/**
*AES加密解密
*@authorceet
*
*/
publicclassAESUntil{
/**
*加密
*
*
*/
publicstaticStringEcodes(Stringcontent,Stringkey){
if(content==null||content.length()<1)
returnnull;
try{
KeyGeneratorkgen=KeyGenerator.getInstance("AES");
kgen.init(128,newSecureRandom(key.getBytes()));
SecretKeysecretKey=kgen.generateKey();
byte[]enCodeFormat=secretKey.getEncoded();
SecretKeySpecsecretKeySpec=newSecretKeySpec(enCodeFormat,"AES");
Ciphercipher=Cipher.getInstance("AES");
byte[]byteContent=content.getBytes("utf-8");
cipher.init(Cipher.ENCRYPT_MODE,secretKeySpec);
byte[]byteRresult=cipher.doFinal(byteContent);
StringBuffersb=newStringBuffer();
for(inti=0;i
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