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import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.security.KeyFactory; import java.security.PrivateKey; import java.security.PublicKey; import java.security.Signature; import java.security.spec.PKCS8EncodedKeySpec; import java.security.spec.X509EncodedKeySpec; import java.util.Map; import com.hurong.core.util.AppUtil; import com.hurong.credit.util.FuiouUtil.Base64; import com.thirdPayInterface.Fuiou.FuiouInterfaceUtil; /** * 1.商户的私钥初始化 * 2.商户验签的公钥初始化 * 3.根据商户号加密数据 * 4.验签富友返回数据 * */ public class SecurityUtils { /** * 私钥 */ public static PrivateKey privateKey; /** * 公钥 */ public static PublicKey publicKey; //得到config.properties读取的所有资源 private static Map configMap = FuiouInterfaceUtil.fuiouProperty(); /** * 私钥文件路径 如：D:/rsa/prkey.key */ private static String privateKeyPath=configMap.get("thirdPay_fuiou_privateKeyPath").toString();
/** * 公钥文件路径 如：D:/rsa/pbkey.key */ private static String publicKeyPath=configMap.get("thirdPay_fuiou_publicKeyPath").toString(); static { try { java.security.Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); } catch (Exception e) { e.printStackTrace(); System.out.println("密钥初始化失败"); } } /** * init:初始化私钥 */ public static void initPrivateKey(String privateKeyPath){ try { if(privateKey==null){ privateKey = getPrivateKey(privateKeyPath); } } catch (Exception e) { System.out.println("SecurityUtils初始化失败" + e.getMessage()); e.printStackTrace(); System.out.println("密钥初始化失败"); } } /** * 初始化公钥 */ public static void initPublicKey(String publicKeyPath){ try { if(publicKey==null){ publicKey = getPublicKey(publicKeyPath); } } catch (Exception e) { System.out.println("SecurityUtils初始化失败" + e.getMessage()); e.printStackTrace(); System.out.println("密钥初始化失败"); } }
/** * init:初始化私钥 */ public static void initPrivateKey(){ try { String url=AppUtil.getAppAbsolutePath(); if(privateKey==null){ //String url=AppUtil.getAppAbsolutePath(); privateKey = getPrivateKey(url+privateKeyPath); } } catch (Exception e) { System.out.println("SecurityUtils初始化失败" + e.getMessage()); e.printStackTrace(); System.out.println("密钥初始化失败"); } }
/** * 对传入字符串进行签名 * @param inputStr * @return * @ */ public static String sign(String inputStr) { String result = null; try { if(privateKey==null){ //初始化 initPrivateKey(); } byte[] tByte; Signature signature = Signature.getInstance("SHA1withRSA","BC"); signature.initSign(privateKey); signature.update(inputStr.getBytes("UTF-8")); tByte = signature.sign(); result = Base64.encode(tByte); } catch (Exception e) { e.printStackTrace(); System.out.println("密钥初始化失败"); } return result; } /** * 对富友返回的数据进行验签 * @param src 返回数据明文 * @param signValue 返回数据签名 * @return */ public static boolean verifySign(String src,String signValue) {//,String publicKeyPath /* boolean bool = false; try { if(publicKey==null){ initPublicKey(publicKeyPath); } Signature signature = Signature.getInstance("SHA1withRSA","BC"); signature.initVerify(publicKey); signature.update(src.getBytes("UTF-8")); bool = signature.verify(Base64.decode(signValue)); } catch (Exception e) { e.printStackTrace(); System.out.println("密钥初始化失败"); } return bool;*/ boolean bool = false; try { if(publicKey==null){ initPublicKey(privateKeyPath); } Signature signature = Signature.getInstance("SHA1withRSA","BC"); signature.initVerify(publicKey); signature.update(src.getBytes("UTF-8")); bool = signature.verify(Base64.decode(signValue)); } catch (Exception e) { e.printStackTrace(); System.out.println("密钥初始化失败"); } return bool; } private static PrivateKey getPrivateKey(String filePath) { String base64edKey = readFile(filePath); KeyFactory kf; PrivateKey privateKey = null; try { kf = KeyFactory.getInstance("RSA", "BC"); PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64.decode(base64edKey)); privateKey = kf.generatePrivate(keySpec); } catch (Exception e) { e.printStackTrace(); System.out.println("密钥初始化失败"); } return privateKey; } private static PublicKey getPublicKey(String filePath){ String base64edKey = readFile(filePath); KeyFactory kf; PublicKey publickey = null; try { kf = KeyFactory.getInstance("RSA", "BC"); X509EncodedKeySpec keySpec = new X509EncodedKeySpec(Base64.decode(base64edKey)); publickey = kf.generatePublic(keySpec); } catch (Exception e) { e.printStackTrace(); System.out.println("密钥初始化失败"); } return publickey; } private static String readFile(String fileName) { try { String url = fileName.replace("\", "/"); File f = new File(url); FileInputStream in = new FileInputStream(f); int len = (int)f.length();
byte[] data = new byte[len]; int read = 0; while (read <len) { read += in.read(data, read, len-read); } in.close(); return new String(data); } catch (IOException e) { e.printStackTrace(); return null; } } } |