diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Password.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Password.class
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Binary files /dev/null and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Password.class differ
diff --git a/project2/src/main/java/cyou/chenx221/pojo/Password.java b/project2/src/main/java/cyou/chenx221/pojo/Password.java
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+++ b/project2/src/main/java/cyou/chenx221/pojo/Password.java
@@ -0,0 +1,36 @@
+package cyou.chenx221.pojo;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class Password {
+    private String password;
+    private String encryptedPassword;
+
+    public Password() {
+    }
+
+    public Password(String password) throws NoSuchAlgorithmException {
+        encryptedPassword = encryptPassword(password);
+    }
+
+    private String encryptPassword(String password) throws NoSuchAlgorithmException {
+        MessageDigest digest = MessageDigest.getInstance("SHA-256");
+        byte[] hash = digest.digest(password.getBytes());
+
+        StringBuilder hexString = new StringBuilder();
+        for (byte b : hash) {
+            String hex = Integer.toHexString(0xff & b);
+            if (hex.length() == 1) {
+                hexString.append('0');
+            }
+            hexString.append(hex);
+        }
+        return hexString.toString();
+    }
+
+    public String getEncryptedPassword() {
+        return encryptedPassword;
+    }
+
+}