= b.dZddlmZddlmZddlmZmZddlm Z ddl m Z m Z m Z gdZejZ Gd d eZefd ed ed ededededededefdZefd ed ed ededededededefdZded edede dfdZdededefdZdedefdZdS)u@ Low-level functions if you want to build your own higher level abstractions. .. warning:: This is a "Hazardous Materials" module. You should **ONLY** use it if you're 100% absolutely sure that you know what you’re doing because this module is full of land mines, dragons, and dinosaurs with laser guns. )Enum)Any)ffilib)Literal) HashingErrorVerificationErrorVerifyMismatchError)ARGON2_VERSIONTyper hash_secrethash_secret_raw verify_secretc@eZdZdZejZ ejZ ej Z dS)r zX Enum of Argon2 variants. Please see :doc:`parameters` on how to pick one. N) __name__ __module__ __qualname____doc__rArgon2_dDArgon2_iI Argon2_idID0lib/python3.11/site-packages/argon2/low_level.pyr r 'sC A A B  rr secretsalt time_cost memory_cost parallelismhash_lentypeversionreturnctj|||t|||jdz}t jd|} tj|||t jd|t|t jd|t|tj|| ||j| } | tjkrtt| t j | S)a Hash *secret* and return an **encoded** hash. An encoded hash can be directly passed into :func:`verify_secret` as it contains all parameters and the salt. :param bytes secret: Secret to hash. :param bytes salt: A salt_. Should be random and different for each secret. :param Type type: Which Argon2 variant to use. :param int version: Which Argon2 version to use. For an explanation of the Argon2 parameters see :class:`PasswordHasher`. :rtype: bytes :raises argon2.exceptions.HashingError: If hashing fails. .. versionadded:: 16.0.0 .. _salt: https://en.wikipedia.org/wiki/Salt_(cryptography) .. _kibibytes: https://en.wikipedia.org/wiki/Binary_prefix#kibi rchar[] uint8_t[]) rargon2_encodedlenlenvaluernew argon2_hashNULL ARGON2_OKr error_to_strstring) rr r!r"r#r$r%r&sizebufrvs rrrGsD     II  J       '(D ! !C   V$$ F   T"" D       B S]<++,,, :c??rctjd|}tj|||tjd|t |tjd|t |||tjd|j| } | tjkrtt| ttj ||S)z Hash *password* and return a **raw** hash. This function takes the same parameters as :func:`hash_secret`. .. versionadded:: 16.0.0 r*r) rr.rr/r,r0r-r1r r2bytesbuffer) rr r!r"r#r$r%r&r5r6s rrrs" '+x ( (C   V$$ F   T"" D       B S]<++,,, C** + ++rhashTcTtjtjd|tjd|t ||j}|tjkrdS|tjkrtt|tt|)a8 Verify whether *secret* is correct for *hash* of *type*. :param bytes hash: An encoded Argon2 hash as returned by :func:`hash_secret`. :param bytes secret: The secret to verify whether it matches the one in *hash*. :param Type type: Type for *hash*. :raises argon2.exceptions.VerifyMismatchError: If verification fails because *hash* is not valid for *secret* of *type*. :raises argon2.exceptions.VerificationError: If verification fails for other reasons. :return: ``True`` on success, raise :exc:`~argon2.exceptions.VerificationError` otherwise. :rtype: bool .. versionadded:: 16.0.0 .. versionchanged:: 16.1.0 Raise :exc:`~argon2.exceptions.VerifyMismatchError` on mismatches instead of its more generic superclass. r)r*T) r argon2_verifyrr.r,r-r1ARGON2_VERIFY_MISMATCHr r2r )r:rr%r6s rrrs0  $  V$$ F    B  S]t s) ) )!,r"2"2333 R 0 0111rcontextc,tj||S)a Direct binding to the ``argon2_ctx`` function. .. warning:: This is a strictly advanced function working on raw C data structures. Both *Argon2*'s and *argon2-cffi*'s higher-level bindings do a lot of sanity checks and housekeeping work that *you* are now responsible for (e.g. clearing buffers). The structure of the *context* object can, has, and will change with *any* release! Use at your own peril; *argon2-cffi* does *not* use this binding itself. :param context: A CFFI *Argon2* context object (i.e. an ``struct Argon2_Context``/``argon2_context``). :param int type: Which *Argon2* variant to use. You can use the ``value`` field of :class:`Type`'s fields. :rtype: int :return: An *Argon2* error code. Can be transformed into a string using :func:`error_to_str`. .. versionadded:: 16.0.0 )r argon2_ctx)r>r%s rcorerAs2 >'4 ( ((rerrorc|tjtj|}|d}|S)z Convert an Argon2 error code into a native string. :param int error: An Argon2 error code as returned by :func:`core`. :rtype: str .. versionadded:: 16.0.0 ascii)rr3rargon2_error_messagedecode)rBmsgs rr2r2s4 *S-e44 5 5C **W  C JrN)renumrtypingr_argon2_cffi_bindingsrr_typingr exceptionsr r r __all__ARGON2_VERSION_NUMBERr r r8intrrrrAstrr2rrrrQs<********LLLLLLLLLL   *4P"?? ? ?? ?  ?  ? ?? ????T"%,%, %, %,%, %,  %,  %, %,%, %,%,%,%,P#2#2u#2D#2WT]#2#2#2#2L)#)S)S))))8        r