RSA验签测试阶段

huimv-smart-management/src/main/java/com/huimv/management/rsa/SignRSAUtil.java

@@ -2,9 +2,10 @@ package com.huimv.management.rsa;
 
 import org.apache.tomcat.util.codec.binary.Base64;
 
-import java.security.KeyFactory;
-import java.security.PrivateKey;
-import java.security.Signature;
+import javax.crypto.*;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+import java.security.*;
 import java.security.spec.PKCS8EncodedKeySpec;
 
 /**
@@ -14,14 +15,17 @@ import java.security.spec.PKCS8EncodedKeySpec;
  */
 public class SignRSAUtil {
 
-    public static void main(String[] args) {
+    public static void main(String[] args) throws Exception {
         String channelId = "1018";
         int random = (int) ((Math.random() * 9 + 1) * 100000);
         long timestamp = System.currentTimeMillis();
         String data = channelId + ";" + random + ";" + timestamp;
 
-//        getPinAnSign(data.getBytes(StandardCharsets.UTF_8),)
-        String sign = null;
+        String sign = getPinAnSign(data.getBytes(StandardCharsets.UTF_8), Constants.RSA_SIGN_PRIVATE_KEY);
+        String decrypt = decrypt(sign, Constants.RSA_SIGN_PUBLIC_KEY);
+        System.out.println(decrypt);
+
+
     }
 
     public static String getPinAnSign(byte[] data, String privatekey) throws Exception {
@@ -35,4 +39,33 @@ public class SignRSAUtil {
 
         return new String(Base64.encodeBase64(signature.sign()));
     }
+
+    public static String decrypt(String data, String publicKey) {
+        try {
+            byte[] keyBytes = Base64.decodeBase64(publicKey);
+            KeyGenerator kgen = KeyGenerator.getInstance("AES");
+            kgen.init(128);
+            Cipher cipher = Cipher.getInstance("AES");
+            cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(data.getBytes(), "AES"));
+            byte[] decrypt = cipher.doFinal(keyBytes);
+            String encode = new String(decrypt);
+            return encode;
+        } catch (
+                NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (NoSuchPaddingException e) {
+            e.printStackTrace();
+        } catch (InvalidKeyException e) {
+            e.printStackTrace();
+        } catch (IllegalBlockSizeException e) {
+            e.printStackTrace();
+        } catch (BadPaddingException e) {
+            e.printStackTrace();
+        }
+        return null;
+
+
+    }
+
+
 }