package unit; import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec; import org.apache.commons.codec.binary.Base64; /**
* AES/ECB/NoPadding 加密
* @author jia
*/
public class AES_ECB {
private static String Padding = "AES/ECB/NoPadding";
/**
* 数据加密
* @param data
* @return
*/
public static byte[] encrypt(byte[] data, byte[] key){
byte[] original = null;
try {
SecretKeySpec skeySpec = new SecretKeySpec(key, "AES");
Cipher cipher = Cipher.getInstance(Padding);
cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
original = cipher.doFinal(data);
} catch (Exception e) {
e.printStackTrace();
}
return original;
} /**
* 数据解密
* @param encData
* @return
*/
public static String decrypt(String encData, String key) {
byte[] decodeBase64 = Base64.decodeBase64(encData);
byte[] original = null;
try {
SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes(), "AES");
Cipher cipher = Cipher.getInstance(Padding);
cipher.init(Cipher.DECRYPT_MODE, skeySpec);
original = cipher.doFinal(decodeBase64);
} catch (Exception e) {
e.printStackTrace();
}
return new String(original).trim();
} public static void main(String[] args) throws Exception {
// String str = "20171017095514800000000000000000";
// String key = "f5663bc2165b9b50";
// byte[] encrypt_data = encrypt(str.getBytes(), key.getBytes());
// String s = decrypt(encrypt_data, key);
// System.out.println("加密前: : "+str);
// System.out.println("密文: : "+encrypt_data);
// System.out.println("解密后: "+s);
}
}