调整协议，index 改为 4 字节。

src/test/java/cmbpoc/FunctionTest.java

@@ -1,10 +1,8 @@
 package cmbpoc;
 
+import com.sunyard.RetWrap;
 import com.sunyard.proto.Util;
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.*;
 import racal.sunyard.main.SydApi4j;
 
 public class FunctionTest {
@@ -22,7 +20,7 @@ public class FunctionTest {
         System.setProperty("com.sunyard.sydapi4j.debug", "true");
 
         // 建立链接（单台）
-        this.api = (SydApi4j) new SydApi4j().connect("192.168.0.100", 8889, null, 1000);
+        this.api = (SydApi4j) new SydApi4j().connect("192.168.21.166", 8889, null, 1000);
 
     }
 
@@ -37,13 +35,29 @@ public class FunctionTest {
 
 
 
+    @Ignore
+    @Test
+    public void genKeyPair(){
+        RetWrap r = this.api.SYD_SM2GenKeyPair();
+        String pk = r.get("publicKey").toString();
+        String sk = r.get("privateKey").toString();
+
+        System.out.println("pk=" + pk);
+        System.out.println("sk=" + sk);
+
+        this.privateKey = Util.hexString2Bytes(sk);
+        this.publicKey = Util.hexString2Bytes(pk);
+    }
+
+
+
+    @Ignore
     @Test
     public void getPrivateKeyAndPublickKey(){
         this.publicKey = Util.hexString2Bytes(
                 this.api.SM2GetPublicKeyC(keypairIndex)
         );
 
-
         this.privateKey = Util.hexString2Bytes(
                 this.api.SM2GetPrivateKeyC(keypairIndex)
         );
@@ -61,7 +75,7 @@ public class FunctionTest {
 
     @Test
     public void SYD_SM2_Encrypt(){
-        byte[] enData = this.api.SYD_SM2_Encrypt(publicKey, orgData);
+        byte[] enData = this.api.SYD_SM2Encrypt(publicKey, orgData);
         byte[] deData = this.api.SYD_SM2Decrypt(privateKey, enData);
         Assert.assertArrayEquals(enData, deData);
     }