o >er@sddlmZmZmZmZddlmZddlmZddl m Z m Z ddl m Z ddlmZmZmZgdZeZed krVd d lmZmZmZmZmZd d Zde_ddZdSddlmZddlmZdS))unicode_literalsdivisionabsolute_importprint_function)backend)pretty_message)buffer_from_bytesbytes_from_buffer) pkcs12_kdf) type_namebyte_cls int_types)pbkdf2r rand_byteswin)bcrypt BcryptConst handle_erroropen_alg_handleclose_alg_handlec Cs8t|tsttdt|t|tsttdt|t|ts*ttdt||dkr2tdt|ts@ttdt||dkrHtd|tgdvrYttd t|t j t j t j t j d|}d }z+t|t j}t|}t||t||t||||d }t|t|W|rt|SS|rt|ww) a% PBKDF2 from PKCS#5 :param hash_algorithm: The string name of the hash algorithm to use: "sha1", "sha256", "sha384", "sha512" :param password: A byte string of the password to use an input to the KDF :param salt: A cryptographic random byte string :param iterations: The numbers of iterations to use when deriving the key :param key_length: The length of the desired key in bytes :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: The derived key as a byte string zH password must be a byte string, not %s zD salt must be a byte string, not %s zG iterations must be an integer, not %s rz!iterations must be greater than 0zG key_length must be an integer, not %s z!key_length must be greater than 0)sha1sha256sha384sha512z| hash_algorithm must be one of "sha1", "sha256", "sha384", "sha512", not %s Nr) isinstancer TypeErrorrr r ValueErrorsetreprrBCRYPT_SHA1_ALGORITHMBCRYPT_SHA256_ALGORITHMBCRYPT_SHA384_ALGORITHMBCRYPT_SHA512_ALGORITHMrBCRYPT_ALG_HANDLE_HMAC_FLAGr rBCryptDeriveKeyPBKDF2lenrr r) hash_algorithmpasswordsalt iterations key_length alg_constant alg_handle output_bufferresr1S/var/www/html/humari/django-venv/lib/python3.10/site-packages/oscrypto/_win/util.pyrst         rFcCst|tsttdt||dkrtd|dkrtdd}z!ttj}t |}t |||d}t |t |W|rAt|SS|rIt|ww)a Returns a number of random bytes suitable for cryptographic purposes :param length: The desired number of bytes :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 zC length must be an integer, not %s rzlength must be greater than 0iz$length must not be greater than 1024Nr)rrrrr rrrBCRYPT_RNG_ALGORITHMr rBCryptGenRandomrr r)lengthr.bufferr0r1r1r2rs*    r)r)rN) __future__rrrrr_errorsr_ffir r _pkcs12r _typesr r r__all___backend_cngrrrrrr pure_pythonr_pkcs5_randr1r1r1r2s   j  /