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Derive a cryptographic key using the ``passwd`` and ``salt``
given as input.
The work factor can be tuned by by picking different
values for the parameters
:param bytes passwd:
:param bytes salt:
:param bytes salt: *must* be *exactly* :py:const:`.SALTBYTES` long
:param int dklen:
:param int opslimit:
:param int n:
:param int r: block size,
:param int p: the parallelism factor
:param int maxmem: the maximum available memory available for scrypt's
operations
:rtype: bytes
R s uint8_t[]i s$ Unexpected failure in key derivations char *( R t
isinstanceR t TypeErrort bytesR R t newR t% crypto_pwhash_scryptsalsa208sha256_llt lenR t RuntimeErrort buffert cast( t passwdt saltR R R t dklenR t buft ret( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyR" � s&
c C` s\ t j d t � } t j | | t | � | | � } t | d k d d t j �t j | � S( s
Derive a cryptographic key using the ``passwd`` and ``salt``
given as input, returning a string representation which includes
the salt and the tuning parameters.
The returned string can be directly stored as a password hash.
See :py:func:`.crypto_pwhash_scryptsalsa208sha256` for a short
discussion about ``opslimit`` and ``memlimit`` values.
:param bytes passwd:
:param int opslimit:
:param int memlimit:
:return: serialized key hash, including salt and tuning parameters
:rtype: bytes
s char[]i s& Unexpected failure in password hashingR (
R R! t SCRYPT_STRBYTESR t& crypto_pwhash_scryptsalsa208sha256_strR# R R R$ t string( R' R R R* R+ ( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyR- s
c C` sa t t | � t d k d d t j �t j | | t | � � } t | d k d d t j �t S( s�
Verifies the ``passwd`` against the ``passwd_hash`` that was generated.
Returns True or False depending on the success
:param passwd_hash: bytes
:param passwd: bytes
:rtype: boolean
i s Invalid password hashR i s Wrong password( R R# R, R R R t- crypto_pwhash_scryptsalsa208sha256_str_verifyt InvalidkeyErrort True( t passwd_hashR' R+ ( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyR/ $ s
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d � � d S( Ns# memlimit must be at least {0} bytess" memlimit must be at most {0} bytess opslimit must be at least {0}s opslimit must be at most {0}s Unsupported algorithm( t crypto_pwhash_ALG_ARGON2I13t" crypto_pwhash_argon2i_MEMLIMIT_MINR R R t" crypto_pwhash_argon2i_MEMLIMIT_MAXt" crypto_pwhash_argon2i_OPSLIMIT_MINt" crypto_pwhash_argon2i_OPSLIMIT_MAXt crypto_pwhash_ALG_ARGON2ID13t# crypto_pwhash_argon2id_MEMLIMIT_MINt# crypto_pwhash_argon2id_MEMLIMIT_MAXt# crypto_pwhash_argon2id_OPSLIMIT_MINt# crypto_pwhash_argon2id_OPSLIMIT_MAXR ( R R t alg( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyt _check_argon2_limits_alg; s6 c C` s� t t | t � d t j �t t | t � d t j �t t | t � d t j �t t | t � d t j �t t | t � d t j �t | � t k r� t j d j t � � � n | t
k r� t j d j t
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j d | � } t j | | | t | � | | | | � } t | d k d d t j �t
j | | � S( s�
Derive a raw cryptographic key using the ``passwd`` and the ``salt``
given as input to the ``alg`` algorithm.
:param outlen: the length of the derived key
:type outlen: int
:param passwd: The input password
:type passwd: bytes
:param opslimit: computational cost
:type opslimit: int
:param memlimit: memory cost
:type memlimit: int
:param alg: algorithm identifier
:type alg: int
:return: derived key
:rtype: bytes
R s# salt must be exactly {0} bytes longs+ derived key must be at least {0} bytes longs* derived key must be at most {0} bytes longs unsigned char[]i s$ Unexpected failure in key derivation( R R R R R R R# t crypto_pwhash_SALTBYTESR R t crypto_pwhash_BYTES_MINt crypto_pwhash_BYTES_MAXR> R R! R t
crypto_pwhashR$ R% ( t outlenR' R( R R R= t outbufR+ ( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyt crypto_pwhash_alg\ s8
c C` s� t t | t � d t �t t | t � d t �t t | t � d t �t | | | � t j d d � } t j | | t
| � | | | � } t | d k d d t j �t j
| � S( s
Derive a cryptographic key using the ``passwd`` given as input
and a random ``salt``, returning a string representation which
includes the salt, the tuning parameters and the used algorithm.
:param passwd: The input password
:type passwd: bytes
:param opslimit: computational cost
:type opslimit: int
:param memlimit: memory cost
:type memlimit: int
:param alg: The algorithm to use
:type alg: int
:return: serialized derived key and parameters
:rtype: bytes
R s char[]i� i s$ Unexpected failure in key derivation( R R R R R R> R R! R t crypto_pwhash_str_algR# R R$ R. ( R' R R R= RD R+ ( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyRF � s
c C` s� t t | t � d t �t t | t � d t �t t | � d k d d t j �t j | | t | � � } t | d k d d t j �t
S( s4
Verifies the ``passwd`` against a given password hash.
Returns True on success, raises InvalidkeyError on failure
:param passwd_hash: saved password hash
:type passwd_hash: bytes
:param passwd: password to be checked
:type passwd: bytes
:return: success
:rtype: boolean
R i s# Hash must be at most 127 bytes longi s Wrong password( R R R R R# R R R t crypto_pwhash_str_verifyR0 R1 ( R2 R' R+ ( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyRG � s
i @i���?l l ���� i (� t
__future__R R R R
t sixR t nacl.exceptionst
exceptionsR t nacl._sodiumR R R R. R& t, crypto_pwhash_scryptsalsa208sha256_strprefixt, crypto_pwhash_scryptsalsa208sha256_STRPREFIXt, crypto_pwhash_scryptsalsa208sha256_saltbytest, crypto_pwhash_scryptsalsa208sha256_SALTBYTESt+ crypto_pwhash_scryptsalsa208sha256_strbytest+ crypto_pwhash_scryptsalsa208sha256_STRBYTESt- crypto_pwhash_scryptsalsa208sha256_passwd_mint- crypto_pwhash_scryptsalsa208sha256_PASSWD_MINt- crypto_pwhash_scryptsalsa208sha256_passwd_maxt- crypto_pwhash_scryptsalsa208sha256_PASSWD_MAXt, crypto_pwhash_scryptsalsa208sha256_bytes_mint, crypto_pwhash_scryptsalsa208sha256_BYTES_MINt, crypto_pwhash_scryptsalsa208sha256_bytes_maxt, crypto_pwhash_scryptsalsa208sha256_BYTES_MAXt/ crypto_pwhash_scryptsalsa208sha256_memlimit_mint/ crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MINt/ crypto_pwhash_scryptsalsa208sha256_memlimit_maxt/ crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MAXt/ crypto_pwhash_scryptsalsa208sha256_opslimit_mint/ crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_MINt/ crypto_pwhash_scryptsalsa208sha256_opslimit_maxt/ crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_MAXt7 crypto_pwhash_scryptsalsa208sha256_opslimit_interactivet7 crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVEt7 crypto_pwhash_scryptsalsa208sha256_memlimit_interactivet7 crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVEt5 crypto_pwhash_scryptsalsa208sha256_opslimit_sensitivet5 crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_SENSITIVEt5 crypto_pwhash_scryptsalsa208sha256_memlimit_sensitivet5 crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_SENSITIVEt crypto_pwhash_alg_argon2i13R3 t crypto_pwhash_alg_argon2id13R8 t crypto_pwhash_alg_defaultt crypto_pwhash_ALG_DEFAULTt crypto_pwhash_saltbytesR? t crypto_pwhash_strbytest crypto_pwhash_STRBYTESt crypto_pwhash_passwd_mint crypto_pwhash_PASSWD_MINt crypto_pwhash_passwd_maxt crypto_pwhash_PASSWD_MAXt crypto_pwhash_bytes_minR@ t crypto_pwhash_bytes_maxRA t crypto_pwhash_argon2i_strprefixt crypto_pwhash_argon2i_STRPREFIXt" crypto_pwhash_argon2i_memlimit_minR4 t" crypto_pwhash_argon2i_memlimit_maxR5 t" crypto_pwhash_argon2i_opslimit_minR6 t" crypto_pwhash_argon2i_opslimit_maxR7 t* crypto_pwhash_argon2i_opslimit_interactivet* crypto_pwhash_argon2i_OPSLIMIT_INTERACTIVEt* crypto_pwhash_argon2i_memlimit_interactivet* crypto_pwhash_argon2i_MEMLIMIT_INTERACTIVEt' crypto_pwhash_argon2i_opslimit_moderatet' crypto_pwhash_argon2i_OPSLIMIT_MODERATEt' crypto_pwhash_argon2i_memlimit_moderatet' crypto_pwhash_argon2i_MEMLIMIT_MODERATEt( crypto_pwhash_argon2i_opslimit_sensitivet( crypto_pwhash_argon2i_OPSLIMIT_SENSITIVEt( crypto_pwhash_argon2i_memlimit_sensitivet( crypto_pwhash_argon2i_MEMLIMIT_SENSITIVEt crypto_pwhash_argon2id_strprefixt crypto_pwhash_argon2id_STRPREFIXt# crypto_pwhash_argon2id_memlimit_minR9 t# crypto_pwhash_argon2id_memlimit_maxR: t# crypto_pwhash_argon2id_opslimit_minR; t# crypto_pwhash_argon2id_opslimit_maxR< t+ crypto_pwhash_argon2id_opslimit_interactivet+ crypto_pwhash_argon2id_OPSLIMIT_INTERACTIVEt+ crypto_pwhash_argon2id_memlimit_interactivet+ crypto_pwhash_argon2id_MEMLIMIT_INTERACTIVEt( crypto_pwhash_argon2id_opslimit_moderatet( crypto_pwhash_argon2id_OPSLIMIT_MODERATEt( crypto_pwhash_argon2id_memlimit_moderatet( crypto_pwhash_argon2id_MEMLIMIT_MODERATEt) crypto_pwhash_argon2id_opslimit_sensitivet) crypto_pwhash_argon2id_OPSLIMIT_SENSITIVEt) crypto_pwhash_argon2id_memlimit_sensitivet) crypto_pwhash_argon2id_MEMLIMIT_SENSITIVEt SCRYPT_OPSLIMIT_INTERACTIVEt SCRYPT_MEMLIMIT_INTERACTIVEt SCRYPT_OPSLIMIT_SENSITIVEt SCRYPT_MEMLIMIT_SENSITIVEt SCRYPT_SALTBYTESR, R
t LOG2_UINT64_MAXR t SCRYPT_MAX_MEMR R R" R- R/ R> RE RF RG t crypto_pwhash_argon2i_str_verify( ( ( s= /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_pwhash.pyt <module> s�
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