U ¯ªhÓã@sNddlZddlmZddlmZddlmZGdd„dƒZGd d „d eƒZdS) éNé)ÚAbridgedPacketCodec)ÚObfuscatedConnectioné)Ú AESModeCTRc@s4eZdZdZdd„Zedd„ƒZdd„Zdd „ZdS) Ú ObfuscatedIONcCs,|j|_|j|_| |j¡\|_|_|_dS©N)Ú_readerÚ_writerÚ init_headerÚ packet_codecÚheaderÚ_encryptÚ_decrypt)ÚselfÚ connection©rúM/tmp/pip-unpacked-wheel-c81u5j2r/telethon/network/connection/tcpobfuscated.pyÚ__init__ s þþzObfuscatedIO.__init__c CsÞd}t d¡}|ddkr|dd…|kr|dd…dkrq>qt|ƒ}|dd d …}t|dd …ƒ}t|d d …ƒ}t|dd …ƒ}t|d d…ƒ}t||ƒ}t||ƒ} |j|d d…<| t|ƒ¡d d…|d d…<||| fS)N)sPVrGsGET sPOSTsîîîîé@réïéésé7ééÿÿÿÿé(é8é é0é<)ÚosÚurandomÚ bytearrayÚbytesrZ obfuscate_tagÚencrypt) r ÚkeywordsÚrandomZrandom_reversedZ encrypt_keyZ encrypt_ivZ decrypt_keyZ decrypt_ivZ encryptorZ decryptorrrrr s&  ÿþ  zObfuscatedIO.init_headercÃs|j |j |¡IdH¡Sr)rr%r Ú readexactly)rÚnrrrr(/szObfuscatedIO.readexactlycCs|j |j |¡¡dSr)r Úwriterr%)rÚdatarrrr*2szObfuscatedIO.write) Ú__name__Ú __module__Ú __qualname__r rÚ staticmethodr r(r*rrrrr s  rc@seZdZdZeZeZdS)ÚConnectionTcpObfuscatedzî Mode that Telegram defines as "obfuscated2". Encodes the packet just like `ConnectionTcpAbridged`, but encrypts every message with a randomly generated key using the AES-CTR mode so the packets are harder to discern. N)r,r-r.Ú__doc__rZ obfuscated_iorr rrrrr06sr0) r!Z tcpabridgedrrrZcryptorrr0rrrrÚs    -