3 œäL]öã@sâddlmZddlmZddlZddlZddlmZejZ ej j Z ej Z ejZejZejZejZejZejZej jZej jZej jZej jZej jZej jZej j Z!ej j"Z#ej j$Z%ej j&Z'e!e#ej(j)fdd„Z*eefdd „Z+dS) é)Úabsolute_import)ÚdivisionNé)Ú_argon2cCs|jtjj|||||tƒƒS)aŒ Derive a ``size`` bytes long key from a caller-supplied ``password`` and ``salt`` pair using the argon2i memory-hard construct. the enclosing module provides the constants - :py:const:`.OPSLIMIT_INTERACTIVE` - :py:const:`.MEMLIMIT_INTERACTIVE` - :py:const:`.OPSLIMIT_MODERATE` - :py:const:`.MEMLIMIT_MODERATE` - :py:const:`.OPSLIMIT_SENSITIVE` - :py:const:`.MEMLIMIT_SENSITIVE` as a guidance for correct settings. :param size: derived key size, must be between :py:const:`.BYTES_MIN` and :py:const:`.BYTES_MAX` :type size: int :param password: password used to seed the key derivation procedure; it length must be between :py:const:`.PASSWD_MIN` and :py:const:`.PASSWD_MAX` :type password: bytes :param salt: **RANDOM** salt used in the key derivation procedure; its length must be exactly :py:const:`.SALTBYTES` :type salt: bytes :param opslimit: the time component (operation count) of the key derivation procedure's computational cost; it must be between :py:const:`.OPSLIMIT_MIN` and :py:const:`.OPSLIMIT_MAX` :type opslimit: int :param memlimit: the memory occupation component of the key derivation procedure's computational cost; it must be between :py:const:`.MEMLIMIT_MIN` and :py:const:`.MEMLIMIT_MAX` :type memlimit: int :rtype: bytes .. versionadded:: 1.2 )ÚencodeÚnaclÚbindingsZcrypto_pwhash_algÚALG)ÚsizeÚpasswordZsaltÚopslimitÚmemlimitÚencoder©rú7/tmp/pip-install-wfra5znf/pynacl/nacl/pwhash/argon2i.pyÚkdf9s1 rcCstjj|||tƒS)a¯ Hashes a password with a random salt, using the memory-hard argon2i construct and returning an ascii string that has all the needed info to check against a future password The default settings for opslimit and memlimit are those deemed correct for the interactive user login case. :param bytes password: :param int opslimit: :param int memlimit: :rtype: bytes .. versionadded:: 1.2 )rrZcrypto_pwhash_str_algr )r r r rrrÚstrqsr),Ú __future__rrZ nacl.bindingsrZ nacl.encodingÚrZ ALG_ARGON2I13r rZcrypto_pwhash_argon2i_STRPREFIXZ STRPREFIXZ SALTBYTESZ PASSWD_MINZ PASSWD_MAXZ PWHASH_SIZEZ BYTES_MINZ BYTES_MAXÚverifyZ"crypto_pwhash_argon2i_MEMLIMIT_MAXZ MEMLIMIT_MAXZ"crypto_pwhash_argon2i_MEMLIMIT_MINZ MEMLIMIT_MINZ"crypto_pwhash_argon2i_OPSLIMIT_MAXZ OPSLIMIT_MAXZ"crypto_pwhash_argon2i_OPSLIMIT_MINZ OPSLIMIT_MINZ*crypto_pwhash_argon2i_OPSLIMIT_INTERACTIVEZOPSLIMIT_INTERACTIVEZ*crypto_pwhash_argon2i_MEMLIMIT_INTERACTIVEZMEMLIMIT_INTERACTIVEZ(crypto_pwhash_argon2i_OPSLIMIT_SENSITIVEZOPSLIMIT_SENSITIVEZ(crypto_pwhash_argon2i_MEMLIMIT_SENSITIVEZMEMLIMIT_SENSITIVEZ'crypto_pwhash_argon2i_OPSLIMIT_MODERATEZOPSLIMIT_MODERATEZ'crypto_pwhash_argon2i_MEMLIMIT_MODERATEZMEMLIMIT_MODERATEÚencodingZ RawEncoderrrrrrrÚs8   6