o &zhæã@s ddlmZmZmZmZddlmZddlmZm Z ddl m Z m Z m Z ddlmZddlmZmZmZgd ¢Ze d krCdd lmZnd d „Zde_dd„ZdS)é)Úunicode_literalsÚdivisionÚabsolute_importÚprint_functioné)Úpretty_message)Úbuffer_from_bytesÚbytes_from_bufferé)Ú libcryptoÚlibcrypto_version_infoÚhandle_openssl_error)Ú rand_bytes)Ú type_nameÚbyte_clsÚ int_types)Úpbkdf2Ú pkcs12_kdfr)r )rc Cs t|tƒsttdt|ƒƒƒ‚t|tƒsttdt|ƒƒƒ‚t|tƒs*ttdt|ƒƒƒ‚|dkr2tdƒ‚t|tƒs@ttdt|ƒƒƒ‚|dkrHtdƒ‚|tgd¢ƒvrYttd t|ƒƒƒ‚t j t j t j t j t jdœ|ƒ}t|ƒ}t  |t|ƒ|t|ƒ||||¡}t|ƒt|ƒS) aæ PBKDF2 from PKCS#5 :param hash_algorithm: The string name of the hash algorithm to use: "sha1", "sha224", "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 :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 r z!iterations must be greater than 0zG key_length must be an integer, not %s z!key_length must be greater than 0)Úsha1Úsha224Úsha256Úsha384Úsha512z† hash_algorithm must be one of "sha1", "sha224", "sha256", "sha384", "sha512", not %s )Ú isinstancerÚ TypeErrorrrrÚ ValueErrorÚsetÚreprr ÚEVP_sha1Ú EVP_sha224Ú EVP_sha256Ú EVP_sha384Ú EVP_sha512rÚPKCS5_PBKDF2_HMACÚlenr r )Úhash_algorithmÚpasswordÚsaltÚ iterationsÚ key_lengthÚevp_mdÚ output_bufferÚresult©r-úQ/var/www/html/kangema/venv/lib/python3.10/site-packages/oscrypto/_openssl/util.pyrsd ü ü ü üû ûúø rFc CsZt|tƒsttdt|ƒƒƒ‚t|tƒsttdt|ƒƒƒ‚t|tƒs*ttdt|ƒƒƒ‚|dkr7ttdt|ƒƒƒ‚t|tƒsEttdt|ƒƒƒ‚|dkrRttdt|ƒƒƒ‚|tgd¢ƒvrcttd t|ƒƒƒ‚|tgd ¢ƒvrtttd t|ƒƒƒ‚|  d ¡  d ¡d}t j t j t jt jt jt jdœ|ƒ}t|ƒ}t  |t|ƒ|t|ƒ|||||¡ } t| ƒt|ƒS)a0 KDF from RFC7292 appendix B.2 - https://tools.ietf.org/html/rfc7292#page-19 :param hash_algorithm: The string name of the hash algorithm to use: "md5", "sha1", "sha224", "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 :param id_: The ID of the usage - 1 for key, 2 for iv, 3 for mac :raises: ValueError - when any of the parameters contain an invalid value TypeError - when any of the parameters are of the wrong type :return: The derived key as a byte string z@ password must be a byte string, not %s z< salt must be a byte string, not %s z? iterations must be an integer, not %s r zC iterations must be greater than 0 - is %s z? key_length must be an integer, not %s zC key_length must be greater than 0 - is %s )Úmd5rrrrrz hash_algorithm must be one of "md5", "sha1", "sha224", "sha256", "sha384", "sha512", not %s )r réz< id_ must be one of 1, 2, 3, not %s zutf-8zutf-16bes)rrrrrrrrrÚdecodeÚencoder ÚEVP_md5rrr r!r"rÚPKCS12_key_gen_unir$r r ) r%r&r'r(r)Úid_Úutf16_passwordÚ digest_typer+r,r-r-r.r{s€ ü ü üü üüûüúù ÷ rN)Ú __future__rrrrÚ_errorsrÚ_ffirr Ú _libcryptor r r Ú_randrÚ_typesrrrÚ__all__Ú_pkcs5rÚ pure_pythonrr-r-r-r.Ús  a