diff --git a/dislocker_auth.py b/dislocker_auth.py
new file mode 100644
index 0000000..0644e5a
--- /dev/null
+++ b/dislocker_auth.py
@@ -0,0 +1,59 @@
+import psycopg2
+import os
+import json
+from flask import Flask, request, jsonify
+
+config_dir_path = "./config/"
+db_config_path = config_dir_path + "db.json"
+if not os.path.isfile(db_config_path):
+    if not os.path.isdir(config_dir_path):
+        os.mkdir(config_dir_path)
+
+    db_config = {
+        "host": "localhost",
+        "db": "dislocker",
+        "username": "user",
+        "password": "example_pass",
+        "port": "5432"
+    }
+    with open(db_config_path, "w") as w:
+        json.dump(db_config, w, indent=4)
+elif os.path.isfile(db_config_path):
+    with open(db_config_path, "r") as r:
+        db_config = json.load(r)
+
+class Auth():
+    def __init__(self, host, db, port, user, password):
+        self.db = psycopg2.connect(f"host={host} dbname={db} port={port} user={user} password={password}")
+    
+    def check(self, pc_number, password):
+        cursor = self.db.cursor()
+        cursor.execute("SELECT * FROM pc_list WHERE pc_number = %s AND password_hash = %s", (pc_number, password))
+        pc_info = cursor.fetchall()
+        if not pc_info:
+            return 1
+        else:
+            return 0
+        
+    def delete(self, pc_number):
+        cursor = self.db.cursor()
+        cursor.execute("UPDATE pc_list SET password_hash = NULL WHERE pc_number = %s", (pc_number,))
+        self.db.commit()
+
+
+app = Flask(__name__)
+auth = Auth(db_config["host"], db_config["db"], db_config["port"], db_config["username"], db_config["password"])
+
+@app.route('/verify', methods=['POST'])
+def verify():
+    pc_number = int(request.json.get('pc_number'))
+    password = request.json.get('password')
+
+    if auth.check(pc_number, password) == 0:
+        auth.delete(pc_number)
+        return jsonify({'message': 'ok'}), 200
+    else:
+        return jsonify({'message': 'damedesu'}), 401
+    
+if __name__ == '__main__':
+    app.run()
\ No newline at end of file