JAVA中使用AES加密解密

/**
* AES加密测试
*
* @param str 加密参数
*/
public void aesTest(String str) {
log.info("[rsaTest获取请求:{}]", str);
try {
String encryptResult = AESUtil.encrypt(str, "123456");
log.info("[AES加密后的参数为:{}]", encryptResult);
String decryptResult = AESUtil.decrypt(encryptResult, "123456");
log.info("[AES解密后的参数为:{}]", decryptResult);
} catch (Exception e) {
log.info("[AES加密解密出现异常:{}]", e);
}
} /**
* AES加密
*
* @param content 需要加密的内容
* @param password 加密密码
* @return
*/
public static String encrypt(String content, String password) {
try {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128, new SecureRandom(password.getBytes()));
SecretKey secretKey = kgen.generateKey();
byte[] enCodeFormat = secretKey.getEncoded();
SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");
Cipher cipher = Cipher.getInstance("AES");
byte[] byteContent = content.getBytes("utf-8");
cipher.init(Cipher.ENCRYPT_MODE, key);
byte[] result = cipher.doFinal(byteContent);
Base64 base64 = new Base64();
return base64.encodeToString(result);
} catch (Exception e) {
log.info("AES加密出现异常:{}", e);
}
return null;
} /**
* AES解密
*
* @param content 待解密内容
* @param password 解密密钥
* @return
*/
public static String decrypt(String content, String password) {
try {
Base64 base64 = new Base64();
byte[] text = base64.decode(content);
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128, new SecureRandom(password.getBytes()));
SecretKey secretKey = kgen.generateKey();
byte[] enCodeFormat = secretKey.getEncoded();
SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, key);
byte[] result = cipher.doFinal(text);
return new String(result);
} catch (Exception e) {
log.info("AES解密出现异常:{}", e);
}
return null;
}