jTddlmZmZmZmZddlmZddlmZm Z ddl m Z m Z m Z ddlmZddlmZdd lmZmZgd Zd Zd Zd ZdZdZdZdZdZdZdZdZ dZ!dZ"dZ#dS))unicode_literalsdivisionabsolute_importprint_function)pretty_message)newnull)CoreFoundation CFHelpershandle_cf_error)Security) rand_bytes) type_namebyte_cls) aes_cbc_no_padding_decryptaes_cbc_no_padding_encryptaes_cbc_pkcs7_decryptaes_cbc_pkcs7_encryptdes_cbc_pkcs5_decryptdes_cbc_pkcs5_encryptrc2_cbc_pkcs5_decryptrc2_cbc_pkcs5_encrypt rc4_decrypt rc4_encrypttripledes_cbc_pkcs5_decrypttripledes_cbc_pkcs5_encryptct|dvr*ttdt||std}n=t|dkr*ttdt|t|dzdkr*ttdt||t t j|||t jfS)a Encrypts plaintext using AES in CBC mode with a 128, 192 or 256 bit key and no padding. This means the ciphertext must be an exact multiple of 16 bytes long. :param key: The encryption key - a byte string either 16, 24 or 32 bytes long :param data: The plaintext - a byte string :param iv: The initialization vector - either a byte string 16-bytes long or None to generate an IV :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A tuple of two byte strings (iv, ciphertext)  c key must be either 16, 24 or 32 bytes (128, 192 or 256 bits) long - is %s r!: iv must be 16 bytes long - is %s rzJ data must be a multiple of 16 bytes long - is %s )len ValueErrorrr_encryptrkSecAttrKeyTypeAESkSecPaddingNoneKeykeydataivs f/var/www/finuniver-perm.ru/html/portfolio/venv/lib/python3.11/site-packages/oscrypto/_mac/symmetric.pyrrs2 3xx|##  HH        ^^ RB  GG       4yy2~  II       4c4XE`aa bbc@t|dvr*ttdt|t|dkr*ttdt|ttj|||tjS)a[ Decrypts AES ciphertext in CBC mode using a 128, 192 or 256 bit key and no padding. :param key: The encryption key - a byte string either 16, 24 or 32 bytes long :param data: The ciphertext - a byte string :param iv: The initialization vector - a byte string 16-bytes long :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the plaintext r r$r!r%)r&r'r_decryptrr)r*r+s r/rrRs. 3xx|##  HH       2ww"}}  GG       H/dB@[ \ \\r0cht|dvr*ttdt||std}n=t|dkr*ttdt||t t j|||t jfS)a Encrypts plaintext using AES in CBC mode with a 128, 192 or 256 bit key and PKCS#7 padding. :param key: The encryption key - a byte string either 16, 24 or 32 bytes long :param data: The plaintext - a byte string :param iv: The initialization vector - either a byte string 16-bytes long or None to generate an IV :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A tuple of two byte strings (iv, ciphertext) r r$r!r%)r&r'rrr(rr)kSecPaddingPKCS7Keyr+s r/rr|s0 3xx|##  HH        ^^ RB  GG       4c4XEabb ccr0c@t|dvr*ttdt|t|dkr*ttdt|ttj|||tjS)aG Decrypts AES ciphertext in CBC mode using a 128, 192 or 256 bit key :param key: The encryption key - a byte string either 16, 24 or 32 bytes long :param data: The ciphertext - a byte string :param iv: The initialization vector - a byte string 16-bytes long :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the plaintext r zo key must be either 16, 24 or 32 bytes (128, 192 or 256 bits) long - is %s r!r%)r&r'rr2rr)r4r+s r/rrs, 3xx|##  HH       2ww"}}  GG       H/dB@\ ] ]]r0ct|dkst|dkr*ttdt|ttj||ddS)a Encrypts plaintext using RC4 with a 40-128 bit key :param key: The encryption key - a byte string 5-16 bytes long :param data: The plaintext - a byte string :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the ciphertext r!Q key must be 5 to 16 bytes (40 to 128 bits) long - is %s N)r&r'rr(rkSecAttrKeyTypeRC4r,r-s r/rrj& 3xx!||s3xx"}}  HH       H/dD$ G GGr0ct|dkst|dkr*ttdt|ttj||ddS)a Decrypts RC4 ciphertext using a 40-128 bit key :param key: The encryption key - a byte string 5-16 bytes long :param data: The ciphertext - a byte string :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the plaintext r7r!r8N)r&r'rr2rr9r:s r/rrr;r0ct|dkst|dkr*ttdt||std}n=t|dkr*ttdt||t t j|||t jfS)ab Encrypts plaintext using RC2 with a 64 bit key :param key: The encryption key - a byte string 8 bytes long :param data: The plaintext - a byte string :param iv: The 8-byte initialization vector to use - a byte string - set as None to generate an appropriate one :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A tuple of two byte strings (iv, ciphertext) r7r!r89 iv must be 8 bytes long - is %s )r&r'rrr(rkSecAttrKeyTypeRC2kSecPaddingPKCS5Keyr+s r/rrs. 3xx!||s3xx"}}  HH        ]] RA  GG       4c4XEabb ccr0cjt|dkst|dkr*ttdt|t|dkr*ttdt|ttj|||tjS)a" Decrypts RC2 ciphertext using a 64 bit key :param key: The encryption key - a byte string 8 bytes long :param data: The ciphertext - a byte string :param iv: The initialization vector used for encryption - a byte string :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the plaintext r7r!r8r>r?)r&r'rr2rr@rAr+s r/rr;s, 3xx!||s3xx"}}  HH       2ww!||  GG       H/dB@\ ] ]]r0ct|dkr=t|dkr*ttdt||std}n=t|dkr*ttdt|t|dkr ||ddz}|t t j|||t jfS)a Encrypts plaintext using 3DES in either 2 or 3 key mode :param key: The encryption key - a byte string 16 or 24 bytes long (2 or 3 key mode) :param data: The plaintext - a byte string :param iv: The 8-byte initialization vector to use - a byte string - set as None to generate an appropriate one :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A tuple of two byte strings (iv, ciphertext) r!r"zT key must be 16 bytes (2 key) or 24 bytes (3 key) long - %s r>z6 iv must be 8 bytes long - %s r)r&r'rrr(rkSecAttrKeyType3DESrAr+s r/rrds. 3xx2~~#c((b..  HH        ]] RA  GG       3xx2~~C!Hn 5sD"hFbcc ddr0ct|dkr=t|dkr*ttdt|t|dkr*ttdt|t|dkr ||ddz}ttj|||tjS)aC Decrypts 3DES ciphertext in either 2 or 3 key mode :param key: The encryption key - a byte string 16 or 24 bytes long (2 or 3 key mode) :param data: The ciphertext - a byte string :param iv: The initialization vector used for encryption - a byte string :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the plaintext r!r"zW key must be 16 bytes (2 key) or 24 bytes (3 key) long - is %s r>r?r)r&r'rr2rrDrAr+s r/rrs, 3xx2~~#c((b..  HH       2ww!||  GG       3xx2~~C!Hn H0#tRA] ^ ^^r0clt|dkr*ttdt||std}n=t|dkr*ttdt||t t j|||t jfS)a Encrypts plaintext using DES with a 56 bit key :param key: The encryption key - a byte string 8 bytes long (includes error correction bits) :param data: The plaintext - a byte string :param iv: The 8-byte initialization vector to use - a byte string - set as None to generate an appropriate one :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A tuple of two byte strings (iv, ciphertext) r>T key must be 8 bytes (56 bits + 8 parity bits) long - is %s r?)r&r'rrr(rkSecAttrKeyTypeDESrAr+s r/rrs. 3xx1}}  HH        ]] RA  GG       4c4XEabb ccr0cDt|dkr*ttdt|t|dkr*ttdt|ttj|||tjS)aC Decrypts DES ciphertext using a 56 bit key :param key: The encryption key - a byte string 8 bytes long (includes error correction bits) :param data: The ciphertext - a byte string :param iv: The initialization vector used for encryption - a byte string :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the plaintext r>rGr?)r&r'rr2rrHrAr+s r/rrs, 3xx1}}  HH       2ww!||  GG       H/dB@\ ] ]]r0ct|ts*ttdt |t|ts*ttdt ||t jkr?t|ts*ttdt ||t jkr|stdd}d}d}d}d} d} tj t j |fg}tj |}tj |}ttd} t j||| } t| t j| | } t| |t jkrt j| t jt'| t| t j| t j|| t| tj |}t j| t j|| t| t j| t j|| t| t j| | } t| tj| |rtj||rtj||rtj||rtj|| rtj| | rtj| SS#|rtj||rtj||rtj||rtj|| rtj| | rtj| wwxYw)a Encrypts plaintext :param cipher: A kSecAttrKeyType* value that specifies the cipher to use :param key: The encryption key - a byte string 5-16 bytes long :param data: The plaintext - a byte string :param iv: The initialization vector - a byte string - unused for RC4 :param padding: The padding mode to use, specified as a kSecPadding*Key value - unused for RC4 :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type OSError - when an error is returned by the OS crypto library :return: A byte string of the ciphertext ; key must be a byte string, not %s < data must be a byte string, not %s : iv must be a byte string, not %s padding must be specifiedN CFErrorRef *) isinstancer TypeErrorrrrr9r'r cf_dictionary_from_pairskSecAttrKeyTypecf_data_from_bytesr r SecKeyCreateFromDatarSecEncryptTransformCreateSecTransformSetAttributekSecModeCBCKeyr kSecPaddingKey kSecIVKeykSecTransformInputAttributeNameSecTransformExecutecf_data_to_bytes CFRelease) cipherr,r-r.paddingcf_dictcf_keycf_datacf_ivsec_key sec_transform error_pointer ciphertexts r/r(r(s8 c8 $ $   cNN       dH % %   dOO      ,,,ZH5M5M,  bMM      ,,,W,4555G FG EGM044x7OQW6X5YZZ-c22.t44NN;; /OO &&& :7MRR  &&& X0 0 0  -mX=TVZV\V\^k l l l M * * *  -mX=TV]_l m m m M * * *044E  -mX=OQVXe f f f M * * *)   4       &&&1-OO  &&&)*55  .  $W - - -  -  $V , , ,  .  $W - - -  ,  $U + + +  .  $W - - -  4  $] 3 3 3 3 4  .  $W - - -  -  $V , , ,  .  $W - - -  ,  $U + + +  .  $W - - -  4  $] 3 3 3 3 4rvsRRRRRRRRRRRR$$$$$$HHHHHHHHHH((((((((    3c3c3cl']']']T*d*d*dZ'^'^'^THHH<HHH<)d)d)dX&^&^&^R-e-e-e`*_*_*_Z)d)d)dX&^&^&^Rn4n4n4bn4n4n4n4n4r0