package com.test;import com.example.lib.aes.Base64;import org.bouncycastle.jce.provider.BouncyCastleProvider;import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Security;
import java.security.spec.PKCS8EncodedKeySpec;import javax.crypto.Cipher;/*** Author:JsonLu* DateTime:2018/7/31 上午9:39* Email:jsonlu@qq.com* Desc:**/
public class Rd {static {if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {System.out.println("security provider BC not found");Security.addProvider(new BouncyCastleProvider());}}/*** 公钥解密** @param content* @param pubKey* @return*/public static String decrypt(String content, String pubKey) {PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64.decode(pubKey, Base64.DEFAULT));try {KeyFactory keyf = KeyFactory.getInstance("RSA");PublicKey publicKey = keyf.generatePublic(keySpec);Cipher cipher = Cipher.getInstance("RSA/NONE/OAEPPadding");cipher.init(Cipher.DECRYPT_MODE, publicKey);byte[] inputByte = Base64.decode(content, Base64.NO_WRAP);inputByte = cipher.doFinal(inputByte);return new String(inputByte);} catch (Exception e) {e.printStackTrace();return null;}}/*** 私钥加密** @param content* @param priKey* @return*/public static String encrypt(String content, String priKey) {PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64.decode(priKey, Base64.DEFAULT));try {KeyFactory keyf = KeyFactory.getInstance("RSA");PrivateKey privateKey = keyf.generatePrivate(keySpec);Cipher cipher = Cipher.getInstance("RSA/NONE/OAEPPadding");cipher.init(Cipher.ENCRYPT_MODE, privateKey);byte[] inputByte = content.getBytes();inputByte = cipher.doFinal(inputByte);return Base64.encodeToString(inputByte, Base64.NO_WRAP);} catch (Exception e) {e.printStackTrace();return null;}}}