fix:兼容go版本的sm2

src/main/java/minsecurity/crypto/sm2/SM2Base.java

@@ -177,5 +177,43 @@ public class SM2Base {
         return SM2KeyPair.generateKeyPair();
     }
 
+    /**
+     * SM2字节数组->16进制字节数组 辅助函数
+     * @param bytes byte[]
+     * @return byte[]
+     * @throws
+     * @author zhengqi wu
+     * @date 2021/4/12
+     **/
+    public static byte[] byteArraytoHexByteArray(byte[] bytes){
+        // 16进制表示法
+        StringBuilder sb = new StringBuilder();
+        for(int i=0;i < bytes.length;i++) {
+            sb.append(String.format("%02x", bytes[i]));
+        }
+        String hexStr = sb.toString();
+        return hexStr.getBytes();
+    }
 
+    /**
+     * 16进制字节数组->SM2字节数组 辅助函数
+     * @param bytes byte[]
+     * @return byte[]
+     * @throws
+     * @author zhengqi wu
+     * @date 2021/4/12
+     **/
+    public static byte[] hexByteArrayToByteArray(byte[] bytes){
+        String hex = new String(bytes);
+        if (hex.length() < 1) {
+            return null;
+        } else {
+            byte[] result = new byte[hex.length() / 2];
+            int j = 0;
+            for(int i = 0; i < hex.length(); i+=2) {
+                result[j++] = (byte)Integer.parseInt(hex.substring(i,i+2), 16);
+            }
+            return result;
+        }
+    }
 }

src/main/java/minsecurity/crypto/sm2/SM2PrivateKey.java

@@ -12,6 +12,7 @@ import org.bouncycastle.crypto.signers.SM2Signer;
 
 import java.math.BigInteger;
 import java.security.SecureRandom;
+import java.util.Arrays;
 
 /*
  * @Author: hongyu guo
@@ -55,13 +56,7 @@ public class SM2PrivateKey implements PrivateKeyInterface {
     @Override
     public byte[] getBytes() {
         byte[] bytes = privateKey.getD().toByteArray();
-        // 16进制表示法
-        StringBuilder sb = new StringBuilder();
-        for(int i=0;i < bytes.length;i++) {
-            sb.append(String.format("%02x", bytes[i]));
-        }
-        String hexStr = sb.toString();
-        return hexStr.getBytes();
+        return SM2Base.byteArraytoHexByteArray(bytes);
     }
 
     @Override
@@ -84,11 +79,12 @@ public class SM2PrivateKey implements PrivateKeyInterface {
             return false;
         switch (d.length){
             case 32:
+            case 33:
                 privateKey = new ECPrivateKeyParameters(new BigInteger(d), SM2Base.DOMAIN_PARAMS);
                 break;
             case 64:
-                String priStr = new String(d);
-                privateKey = new ECPrivateKeyParameters(new BigInteger(priStr, 16), SM2Base.DOMAIN_PARAMS);
+                d = SM2Base.hexByteArrayToByteArray(d);
+                privateKey = new ECPrivateKeyParameters(new BigInteger(d), SM2Base.DOMAIN_PARAMS);
                 break;
         }
         return true;

src/main/java/minsecurity/crypto/sm2/SM2PublicKey.java

@@ -12,6 +12,7 @@ import org.bouncycastle.math.ec.ECCurve;
 
 import java.nio.ByteBuffer;
 import java.security.SecureRandom;
+import java.util.Arrays;
 
 /*
  * @Author: hongyu guo
@@ -46,18 +47,32 @@ public class SM2PublicKey implements PublicKeyInterface {
 
 
     @Override
-    // TODO 实现不同
     public byte[] getBytes() {
-        if(publicKey != null)
-            return publicKey.getQ().getEncoded(false); //不压缩
+        if(publicKey != null){
+            byte[] bytes = publicKey.getQ().getEncoded(false); //不压缩
+            byte[] basic = SM2Base.byteArraytoHexByteArray(bytes);
+            return basic;
+        }
         return null;
     }
 
     @Override
-    // TODO 实现不同
     public boolean setBytes(byte[] bytes) {
-        if(bytes.length != 65)
-            return false;
+        switch (bytes.length){
+            case 65:
+                createPub(bytes);
+                break;
+            case 130:
+                bytes = SM2Base.hexByteArrayToByteArray(bytes); // 16进制表示法转为十进制表示法
+                createPub(bytes);
+                break;
+            default:
+                return false;
+        }
+        return true;
+    }
+
+    private void createPub(byte[] bytes){
         ByteBuffer encoded = ByteBuffer.wrap(bytes);
         byte[] x = new byte[32];
         byte[] y = new byte[32];
@@ -65,7 +80,6 @@ public class SM2PublicKey implements PublicKeyInterface {
         encoded.get(x,0,32);
         encoded.get(y,0,32);
         publicKey = createPublicKey(x,y);
-        return true;
     }
 
     /**