diff --git a/AES.py b/AES.py
new file mode 100644
index 0000000..9c85c97
--- /dev/null
+++ b/AES.py
@@ -0,0 +1,50 @@
+from Crypto.Cipher import AES
+from Crypto.Util.Padding import pad, unpad
+from Crypto.Random import get_random_bytes
+
+def create_aes_ecb_cipher(key):
+    """创建AES-ECB模式的加密/解密器"""
+    return AES.new(key, AES.MODE_ECB)
+
+def create_key(filename):
+    """生成随机密钥16字节"""
+    aeskey = get_random_bytes(16)
+    with open(f'./.tempfile/{filename}_key', 'wb') as f:
+        f.write(aeskey)
+    return aeskey
+def AESencrypt(message, key):
+    """使用AES-ECB模式加密消息"""
+    cipher = create_aes_ecb_cipher(key)
+
+    if isinstance(message, str):
+        message = message.encode('utf-8')
+    padded_message = pad(message, AES.block_size)
+
+    # 加密消息
+    encrypted_message = cipher.encrypt(padded_message)
+
+    return encrypted_message
+
+
+def AESdecrypt(encrypted_message_file, key):
+    """使用AES-ECB模式解密消息"""
+    cipher = create_aes_ecb_cipher(key)
+    with open(encrypted_message_file,'rb') as encrypted_me:
+        encrypted_message = encrypted_me.read()
+
+    # 解密消息并移除填充
+    decrypted_padded_message = cipher.decrypt(encrypted_message)
+    decrypted_message = unpad(decrypted_padded_message, AES.block_size)
+
+    # 将字节串转换回字符串（如果原始消息是字符串）
+    # try:
+    # decrypted_message = decrypted_message.decode('utf-8')
+    # print(decrypted_message)
+    # except UnicodeDecodeError:
+    #     pass  # 如果原始消息不是字符串，则保持为字节串
+    with open(encrypted_message_file, 'wb') as f:
+        f.write(decrypted_message)
+
+    return decrypted_message
+
+