Minor modifies

DecryptHDD.py

@@ -17,17 +17,18 @@ aesKeyPrism = "A;mv5YUpHBK3YxTy5KB^[;5]C2AL50Bq"
 aesIVPrism = "9FM:sd9xA91X14v]"
 
 class AESPKCS7:
+    # 实现了 maimai 通讯所用的 AES 加密的类
     def __init__(self, key: str, iv: str):
         self.key = key.encode('utf-8')
         self.iv = iv.encode('utf-8')
         self.mode = AES.MODE_CBC
-
+    # 加密
     def encrypt(self, content: bytes) -> bytes:
         cipher = AES.new(self.key, self.mode, self.iv)
         content_padded = pad(content, AES.block_size)
         encrypted_bytes = cipher.encrypt(content_padded)
         return encrypted_bytes
-
+    # 解密
     def decrypt(self, encrypted_content: bytes) -> str:
         cipher = AES.new(self.key, self.mode, self.iv)
         decrypted_padded = cipher.decrypt(encrypted_content)