U.jOddlZddlmZddlmZddlmZmZmZmZddl m Z ddl m Z m Z ddlmZmZmZdZd Zd Zd Zd Zd ZdZdZdZdZdZdZdZdZdZ Gdde!Z"Gdde#Z$Gdde#Z%y)N)Hash)Random) DerSequenceDerOctetString DerObjectId DerInteger)AES)padunpad)PBKDF1PBKDF2scryptz1.2.840.113549.1.5.3z1.2.840.113549.1.5.6z1.2.840.113549.1.5.10z1.2.840.113549.1.5.11z1.2.840.113549.1.5.13z1.2.840.113549.1.5.12z1.3.6.1.4.1.11591.4.11z1.2.840.113549.2.7z1.2.840.113549.3.7z2.16.840.1.101.3.4.1.2z2.16.840.1.101.3.4.1.22z2.16.840.1.101.3.4.1.42z2.16.840.1.101.3.4.1.6z2.16.840.1.101.3.4.1.26z2.16.840.1.101.3.4.1.46c eZdZy) PbesErrorN)__name__ __module__ __qualname__QC:\xampp\htdocs\tradingbinance\backend\.venv\Lib\site-packages\Crypto/IO/_PBES.pyrrCsrrc eZdZdZedZy)PBES1zDeprecated encryption scheme with password-based key derivation (originally defined in PKCS#5 v1.5, but still present in `v2.0`__). .. __: http://www.ietf.org/rfc/rfc2898.txt cRtj|}tj|d}tj|dj}t j|dj }i}|t k(rddlm}ddl m }|} |} nc|tk(rddlm}ddl m } |} | } d|d<nD|tk(rddlm} ddl m }| } |} n*|tk(rddlm} ddl m } | } | } d|d<n t!d tj|dd } tj| dj}| d}t#||d || }|d d|dd }}| j$|| j&|fi|}|j)|}t+||j,S)axDecrypt a piece of data using a passphrase and *PBES1*. The algorithm to use is automatically detected. :Parameters: data : byte string The piece of data to decrypt. passphrase : byte string The passphrase to use for decrypting the data. :Returns: The decrypted data, as a binary string. r)MD5)DES)ARC2@effective_keylen)SHA1zUnknown OID for PBES1 nr_elementsN)rdecoderpayloadrvalue_OID_PBE_WITH_MD5_AND_DES_CBC Crypto.Hashr Crypto.Cipherr_OID_PBE_WITH_MD5_AND_RC2_CBCr_OID_PBE_WITH_SHA1_AND_DES_CBCr _OID_PBE_WITH_SHA1_AND_RC2_CBCrr newMODE_CBCdecryptr block_size)data passphraseenc_private_key_infoencrypted_algorithmencrypted_datapbe_oid cipher_paramsrrhashmodmodulerr pbe_paramssalt iterationskey_ivkeyivcipherpts rr1z PBES1.decrypts +}33D9)m223G3JK')001Ea1HIQQ-&&':1'=>DD 3 3 ' )GF 5 5 ' *GF02M, - 6 6 ( )GF 6 6 ( *GF02M, -34 4 ]))*=a*@a)P &&z!}5==]  D"j'B!*fQRjRC"F F ^^N +R**++rN)rrr__doc__ staticmethodr1rrrrr}s :,:,rrc2eZdZdZeddZedZy)PBES2zEncryption scheme with password-based key derivation (defined in `PKCS#5 v2.0`__). .. __: http://www.ietf.org/rfc/rfc2898.txt.Nc  |i}|tjj}tjd}|j |}|t d|z|jdr%d}|jd}|jd} nd}|jd} d} | d k(r(d d l m } d } | } | j}t}d |di}n(| dk(r)d} t} tj}t}d |di}n| dk(r)d } t} tj}t}d |di}n| dk(r)d} t} tj}t }d |di}n| dk(r+d} t} tj"}t$}d|di}d} nn| dk(r+d } t} tj"}t&}d|di}d} n>| dk(r+d} t} tj"}t(}d|di}d} nt d| zt+|j-d }||j/dd}|dk(r|j/dd}t1j}t3||| ||}t5t7|t9|g}|dk7rP t0j:jd |!j<}|jAt5tC|gt5tCtD|g}n|dk(r|j/dd#}|j/d$d}|j/d%d&}tG||| |||}t5tCtHt5t7|t9|t9|t9|gg}nt d'|jd&z| j||fi|}| r|jK|\}}||z}n%|jMtO||jP}t5tC|t7|g}t5t5tCtRt5||ggt7|g} | jUS#t>$r t d"wxYw)(a Encrypt a piece of data using a passphrase and *PBES2*. :Parameters: data : byte string The piece of data to encrypt. passphrase : byte string The passphrase to use for encrypting the data. protection : string The identifier of the encryption algorithm to use. The default value is '``PBKDF2WithHMAC-SHA1AndDES-EDE3-CBC``'. prot_params : dictionary Parameters of the protection algorithm. +------------------+-----------------------------------------------+ | Key | Description | +==================+===============================================+ | iteration_count | The KDF algorithm is repeated several times to| | | slow down brute force attacks on passwords | | | (called *N* or CPU/memory cost in scrypt). | | | | | | The default value for PBKDF2 is 1 000. | | | The default value for scrypt is 16 384. | +------------------+-----------------------------------------------+ | salt_size | Salt is used to thwart dictionary and rainbow | | | attacks on passwords. The default value is 8 | | | bytes. | +------------------+-----------------------------------------------+ | block_size | *(scrypt only)* Memory-cost (r). The default | | | value is 8. | +------------------+-----------------------------------------------+ | parallelization | *(scrypt only)* CPU-cost (p). The default | | | value is 1. | +------------------+-----------------------------------------------+ randfunc : callable Random number generation function; it should accept a single integer N and return a string of random data, N bytes long. If not specified, a new RNG will be instantiated from ``Crypto.Random``. :Returns: The encrypted data, as a binary string. z5^(PBKDF2WithHMAC-([0-9A-Z-]+)|scrypt)And([0-9A-Z-]+)$zUnknown protection %sPBKDFpbkdf2r!rFz DES-EDE3-CBCrDES3rAr%z AES128-CBCr$z AES192-CBCz AES256-CBC z AES128-GCMnonce Tz AES192-GCMz AES256-GCMzUnknown encryption mode '%s' salt_sizeiteration_countihmac_hash_moduler r) digestmodzNo OID for HMAC hash algorithmi@r2parallelizationrz Unknown KDF )+rr/readrecompilematch ValueError startswithgroupr+rMr0_OID_DES_EDE3_CBCr _OID_AES128_CBC_OID_AES192_CBC_OID_AES256_CBCMODE_GCM_OID_AES128_GCM_OID_AES192_GCM_OID_AES256_GCMlistvaluesgetrr rrrHMACoidKeyErrorappendr _OID_PBKDF2r _OID_SCRYPTencrypt_and_digestencryptr r2 _OID_PBES2encode)!r3r4 protection prot_paramsrandfuncpatternrespbkdfpbkdf2_hmac_algoenc_algoaeadrMkey_sizer; cipher_modeenc_oid enc_paramiv_noncer=countrVr@ pbkdf2_paramshmac_oidkdf_infoscrypt_rscrypt_prBcttagr7enc_infor5s! rrqz PBES2.encrypts^  K  zz|((H**UVmmJ' ;4zAB B   )E"yy| yy|HEyy|H ~ % *HF--K'Gx{+I  %HF,,K%Gx|,I  %HF,,K%Gx|,I  %HF,,K%Gx|,I  %HF,,K%G (2,/ID  %HF,,K%G (2,/ID  %HF,,K%G (2,/ID;hFG G ((*+A.  Q78 H OO$5t * , $**,,k G$%EFFGs +Q++Rc tj|d}tj|d}tj|dj}t j|dj }|t k7r tdtj|dd}tj|dd}t j|dj }d} |tk(rtj|dd} tj| dj} | d} t| dz } d}| dkDr | |dz } | dz} |dz }t}| dkDrtj| |}t j|dj }n|tk(rrtj|dd}tj|dj} d Dcgc]}|| c}\} }}t|d kDr|d } nd} n td tj|d}t j|dj }d }|tk(rdd lm}|}|j }d}d}n|t"k(rt$}t$j }d}d}n|t&k(rt$}t$j }d}d}n|t(k(rt$}t$j }d}d}n|t*k(rt$}t$j,}d}d}d}nZ|t.k(rt$}t$j,}d}d}d}n4|t0k(rt$}t$j,}d}d}d}ntd|z| r| |k7r tdtj|dj}|tk(rD t2j4j6}t3j:|}t=|| || |} nt?|| || } |j:| |fi||i}!t||!j@kr tCd|r(|!j@}"|!jE|d|" ||" d}#|#S|!jG|}$tI|$|!j@}#|#S#t$rYSwxYwcc}w#t8$rtdzwxYw)axDecrypt a piece of data using a passphrase and *PBES2*. The algorithm to use is automatically detected. :Parameters: data : byte string The piece of data to decrypt. passphrase : byte string The passphrase to use for decrypting the data. :Returns: The decrypted data, as a binary string. r!r"rrzNot a PBES2 objectN)r!rK)r)rr!rKrzUnsupported PBES2 KDFFrLrNrAr$rOrPTzUnsupported PBES2 cipher z9Mismatch between PBES2 KDF parameters and selected cipherzUnsupported HMAC %srTzToo little data to decrypt)%rr&rr'rr(rrrrnlen TypeError_OID_HMAC_SHA1ror_r+rMr0r`r rarbrdrcrerfrrj_hmac2hash_oidrlr/r rr2r\decrypt_and_verifyr1r )%r3r4r5r{r7r8 pbes2_paramsrkdf_oidkdf_key_lengthrr=rSleftidxpbkdf2_prf_oidpbkdf2_prf_algo_id scrypt_paramsxrrrrr|rMr;r~r} cipher_paramrhmac_hash_module_oidrUr@rBtag_lenrC pt_paddeds% rr1z PBES2.decrypts +}33Da3H=''()G8+D+97()+DFB  ~6Iy&"3"34B S!3GH H 5 FGG Hs$$R= S S= S  S S*)NN)rrrrDrErqr1rrrrGrGs43 --BWWrrG)&rYCryptorrCrypto.Util.asn1rrrrr+r Crypto.Util.Paddingr r Crypto.Protocol.KDFr r rr)r,r-r.rrrnrorr_r`rarbrdrerfr\robjectrrGrrrrsD  *66 6 6!8!8 $ % & %(*++*++  tB,FB,J`F`r