项目背景:要对打印地址进行加密,用公钥加密后会乱码需要base64 decode一下,但是在解密时报错:javax.crypto.BadPaddingException: Data must start with zero
解决办法:
1.加解密时KeyFactory keyFactory = KeyFactory.getInstance("RSA");
2.将加解密的Cipher cipher = Cipher.getInstance(“RSA”)改为Cipher cipher = Cipher.getInstance(“RSA/ECB/NoPadding”)
困扰了两天的问题解决了,代码如下,希望有次问题的同学不必再走此弯路。
package resources.util.encryption;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.security.Key;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import javax.crypto.Cipher;
import org.junit.Test;
public class EncryptionUtil {
private static final String RSA = "RSA";
private static final String RSANOPADDING = "RSA/ECB/NoPadding";
private static final String PUBLIC_KEY_PATH = "public.key";
private static final String PRIVATE_KEY_PATH = "private.key";