diff --git a/blogserver/src/main/java/org/sang/config/MyPasswordEncoder.java b/blogserver/src/main/java/org/sang/config/MyPasswordEncoder.java
new file mode 100644
index 0000000..34dd305
--- /dev/null
+++ b/blogserver/src/main/java/org/sang/config/MyPasswordEncoder.java
@@ -0,0 +1,19 @@
+package org.sang.config;
+
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Component;
+import org.springframework.util.DigestUtils;
+
+
+@Component
+public class MyPasswordEncoder implements PasswordEncoder {
+    @Override
+    public String encode(CharSequence rawPassword) {
+        return DigestUtils.md5DigestAsHex(rawPassword.toString().getBytes());
+    }
+
+    @Override
+    public boolean matches(CharSequence rawPassword, String encodedPassword) {
+        return encodedPassword.equals(DigestUtils.md5DigestAsHex(rawPassword.toString().getBytes()));
+    }
+}