[*] 日常优化

taoyao-signal-server/taoyao-signal/src/main/java/com/acgist/taoyao/signal/utils/CipherUtils.java

@@ -20,12 +20,14 @@ import lombok.extern.slf4j.Slf4j;
  * @author acgist
  */
 @Slf4j
-public class CipherUtils {
+public final class CipherUtils {
 
     private CipherUtils() {
     }
     
     /**
+     * 创建加密工具
+     * 
      * @param mode    模式
      * @param encrypt 算法
      * @param secret  密钥

taoyao-signal-server/taoyao-signal/src/test/java/com/acgist/taoyao/signal/utils/CipherUtilsTest.java

@@ -0,0 +1,22 @@
+package com.acgist.taoyao.signal.utils;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+import javax.crypto.Cipher;
+
+import org.junit.jupiter.api.Test;
+
+import com.acgist.taoyao.boot.config.SocketProperties.Encrypt;
+
+public class CipherUtilsTest {
+    
+    @Test
+    public void testBuildCipher() {
+        final String secret = "2SPWy+TF1zM=".strip();
+        assertNull(CipherUtils.buildCipher(Cipher.ENCRYPT_MODE, Encrypt.PLAINTEXT, secret));
+        assertNull(CipherUtils.buildCipher(Cipher.ENCRYPT_MODE, Encrypt.DES, null));
+        assertNotNull(CipherUtils.buildCipher(Cipher.ENCRYPT_MODE, Encrypt.DES, secret));
+    }
+
+}