o -iã@s®dZddlmZddlmZddlmZmZddlm Z m Z ddl m Z m Z mZgd¢Ze jZ Gd d „d eƒZefd'dd„Zefd'dd„Zd(dd„Zd)d d!„Zd*d$d%„Zd&S)+a> Low-level functions if you want to build your own higher level abstractions. .. warning:: This is a "Hazardous Materials" module. You should **ONLY** use it if you're 100% absolutely sure that you know what you're doing because this module is full of land mines, dragons, and dinosaurs with laser guns. é)Ú annotations)ÚEnum)ÚAnyÚLiteral)ÚffiÚlibé)Ú HashingErrorÚVerificationErrorÚVerifyMismatchError)ÚARGON2_VERSIONÚTyperÚ hash_secretÚhash_secret_rawÚ verify_secretc@s"eZdZdZejZejZej Z dS)r zX Enum of Argon2 variants. Please see :doc:`parameters` on how to pick one. N) Ú__name__Ú __module__Ú __qualname__Ú__doc__rÚArgon2_dÚDÚArgon2_iÚIÚ Argon2_idÚID©rrú^/home/esfera/Desktop/Rishu/Inhouse_Email/venv/lib/python3.10/site-packages/argon2/low_level.pyr (s  r ÚsecretÚbytesÚsaltÚ time_costÚintÚ memory_costÚ parallelismÚhash_lenÚtypeÚversionÚreturnc Csˆt |||t|ƒ||j¡d}t d|¡} t |||t d|¡t|ƒt d|¡t|ƒtj|| ||j|¡ } | tjkr?t t | ƒƒ‚t  | ¡S)a© Hash *secret* and return an **encoded** hash. An encoded hash can be directly passed into :func:`verify_secret` as it contains all parameters and the salt. Args: secret: Secret to hash. salt: A salt_. Should be random and different for each secret. type: Which Argon2 variant to use. version: Which Argon2 version to use. For an explanation of the Argon2 parameters see :class:`argon2.PasswordHasher`. Returns: An encoded Argon2 hash. Raises: argon2.exceptions.HashingError: If hashing fails. .. versionadded:: 16.0.0 .. _salt: https://en.wikipedia.org/wiki/Salt_(cryptography) rúchar[]ú uint8_t[]) rÚargon2_encodedlenÚlenÚvaluerÚnewÚ argon2_hashÚNULLÚ ARGON2_OKr Ú error_to_strÚstring) rrr r"r#r$r%r&ÚsizeÚbufÚrvrrrr4s<'úøÿ   ó   rc Cspt d|¡}t |||t d|¡t|ƒt d|¡t|ƒ||tjd|j|¡ } | tjkr0tt | ƒƒ‚t t  ||¡ƒS)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+r/r,r0r r1rÚbuffer) rrr r"r#r$r%r&r4r5rrrr{s&   ó  rÚhashú Literal[True]cCsVt t d|¡t d|¡t|ƒ|j¡}|tjkrdS|tjkr%tt |ƒƒ‚t t |ƒƒ‚)aB Verify whether *secret* is correct for *hash* of *type*. Args: hash: An encoded Argon2 hash as returned by :func:`hash_secret`. secret: The secret to verify whether it matches the one in *hash*. type: Type for *hash*. Raises: argon2.exceptions.VerifyMismatchError: If verification fails because *hash* is not valid for *secret* of *type*. argon2.exceptions.VerificationError: If verification fails for other reasons. Returns: ``True`` on success, raise :exc:`~argon2.exceptions.VerificationError` otherwise. .. versionadded:: 16.0.0 .. versionchanged:: 16.1.0 Raise :exc:`~argon2.exceptions.VerifyMismatchError` on mismatches instead of its more generic superclass. r(r)T) rÚ argon2_verifyrr-r+r,r0ÚARGON2_VERIFY_MISMATCHr r1r )r7rr%r5rrrr£s  ü    rÚcontextrcCs t ||¡S)a¦ Direct binding to the ``argon2_ctx`` function. .. warning:: This is a strictly advanced function working on raw C data structures. Both Argon2's and *argon2-cffi*'s higher-level bindings do a lot of sanity checks and housekeeping work that *you* are now responsible for (e.g. clearing buffers). The structure of the *context* object can, has, and will change with *any* release! Use at your own peril; *argon2-cffi* does *not* use this binding itself. Args: context: A CFFI Argon2 context object (i.e. an ``struct Argon2_Context`` / ``argon2_context``). type: Which Argon2 variant to use. You can use the ``value`` field of :class:`Type`'s fields. Returns: An Argon2 error code. Can be transformed into a string using :func:`error_to_str`. .. versionadded:: 16.0.0 )rÚ argon2_ctx)r;r%rrrÚcoreÑs r=ÚerrorÚstrcCst t |¡¡ d¡S)zê Convert an Argon2 error code into a native string. Args: error: An Argon2 error code as returned by :func:`core`. Returns: A human-readable string describing the error. .. versionadded:: 16.0.0 Úascii)rr2rÚargon2_error_messageÚdecode)r>rrrr1ñs r1N)rrrrr r!r"r!r#r!r$r!r%r r&r!r'r)r7rrrr%r r'r8)r;rr%r!r'r!)r>r!r'r?)rÚ __future__rÚenumrÚtypingrrÚ_argon2_cffi_bindingsrrÚ exceptionsr r r Ú__all__ÚARGON2_VERSION_NUMBERr r rrrr=r1rrrrÚs"   øO ø ( .