;SiB  dZddlZddlZddlZddlmZej eZ ddl Z ejdGdd Zy#e $r@dZ ejrejrejdnejdYOwxYw) z AES IGE implementation in Python. If available, cryptg will be used instead, otherwise if available, libssl will be used instead, otherwise the Python implementation will be used. N)libsslz/cryptg detected, it will be used for encryptionz/libssl detected, it will be used for encryptionz\cryptg module not installed and libssl not found, falling back to (slower) Python encryptionc0eZdZdZedZedZy)AESzf Class that servers as an interface to encrypt and decrypt text through the AES IGE mode. cFtrtj|||Stjrtj|||S|dt|dz}|t|dzd}t j |}g}t|dz}dgdz}t |D]x} t dD]} || dz| z|| z || <|j|} t dD]} | | xx|| zcc<|| dz| dzdz}| }|j| zt|S)z Decrypts the given text in 16-bytes blocks by using the given key and 32-bytes initialization vector. Nr) cryptg decrypt_igerlenpyaesrrangedecryptextendbytes) cipher_textkeyiviv1iv2aes plain_text blocks_countcipher_text_block block_indexiplain_text_blocks X/var/www/OnlineNewsSite/project/venv/lib/python3.12/site-packages/telethon/crypto/aes.pyr zAES.decrypt_ige"sR %%k3; ;   %%k3; ;#b'Q,RAiin ;'2- C"H . 0K2Y ? b 01 45A>"!$ ? #{{+<= 2Y . #s1v-# .kB.{R/?"/DEC"C   . / 0Z  ct|dz}|r|tjd|z z }trtj|||St jrt j|||S|dt|dz}|t|dzd}t j|}g}t|dz}t|D]} t|| dz| dzdz} tdD]} | | xx|| zcc<|j| } tdD]} | | xx|| zcc<| }|| dz| dzdz}|j| t|S)z Encrypts the given text in 16-bytes blocks by using the given key and 32-bytes initialization vector. r Nr) r osurandomr encrypt_igerr rrlistencryptrr) rrrpaddingrrrrrrrrrs rr#zAES.encrypt_igeGs j/B&  "**R'\2 2J %%j#r: :   %%j#r: :#b'Q,RAiin :",  . 2K#;+K",.CDC   0 1 2"[!!rN)__name__ __module__ __qualname____doc__ staticmethodr r#rrrrs0"!"!H'"'"rr)r*r!r loggingr getLoggerr'__log__r info ImportErrorr#r rr,rrr3s  '  H % C LLBCR"R"C F f00 FG B C CsAAB  B