CasperSecurity
o
`�wi � @ s. d Z ddlZzddlZW n ey ejdkr ed��ed��w ddlZddlZ ddl
m Z ddl
mZ e je j d Ze � ZG d d
� d
ed
d ��Zd&dd �d
d�Zd&dd�Zg Zdd �dd�Zedddd� edddd� dD ]Zedd e d d ee� dd �r� nqqed d d!d"� ed#dd$d%� [[dS )'zEWrapper to the POSIX crypt library call and associated functionality.� N�win32z,The crypt module is not supported on Windowsz;The required _crypt module was not built as part of CPython)� SystemRandom)�
namedtuplez./c @ s e Zd ZdZdd� ZdS )�_MethodziClass representing a salt method per the Modular Crypt Format or the
legacy 2-character crypt method.c C s d� | j�S )Nz<crypt.METHOD_{}>)�format�name)�self� r � /usr/lib/python3.10/crypt.py�__repr__ s z_Method.__repr__N)�__name__�
__module__� __qualname__�__doc__r r r r r
r s r z name ident salt_chars total_size��roundsc C sH | du rt d } |durt|t�st|jj� d���| js d}nd| j� d�}| jrd| jd dkrd|du r8d}n#t�|d �}|d|> krItd ��d
| krVd ks[td �� td ��||d
�d�7 }n/| jdv r�|dur�d| krzdkstd�� td��|d|� d�7 }n |dur�t| � d���|d� dd� t
| j �D ��7 }|S )zsGenerate a salt for the specified method.
If not specified, the strongest available method will be used.
Nr z+ object cannot be interpreted as an integer� �$�2� � zrounds must be a power of 2� � z%rounds out of the range 2**4 to 2**31�02d)�5�6i� i�ɚ;z+rounds out of the range 1000 to 999_999_999zrounds=z$ doesn't support the rounds argumentc s s � | ]}t �t�V qd S �N)�_sr�choice�
_saltchars)�.0�charr r r
� <genexpr>B s � zmksalt.<locals>.<genexpr>) �methods�
isinstance�int� TypeError� __class__r �ident�
bit_length�
ValueError�join�range�
salt_chars)�methodr �s�
log_roundsr r r
�mksalt s< �
�� r1 c C s& |du s t |t�r
t|�}t�| |�S )aR Return a string representing the one-way hash of a password, with a salt
prepended.
If ``salt`` is not specified or is ``None``, the strongest
available method will be selected and a salt generated. Otherwise,
``salt`` may be one of the ``crypt.METHOD_*`` values, or a string as
returned by ``crypt.mksalt()``.
N)r$ r r1 �_crypt�crypt)�word�saltr r r
r3 F s
r3 c
G s� t | g|�R � }|t� d| < t||d�}d }ztd|�}W n ty= } z|jtjtjtjhv r8W Y d }~dS � d }~ww |rNt |�|j
krNt � |� dS dS )N�METHOD_r r FT)
r �globalsr1 r3 �OSError�errno�EINVAL�EPERM�ENOSYS�len�
total_sizer# �append)r r �argsr. r5 �result�er r r
� _add_methodX s ��
rC �SHA512r � �j �SHA256r �? )�b�y�ar �BLOWFISHr � �; �MD5�1� �" �CRYPT� �
r )r �sys�_sysr2 �ModuleNotFoundError�platform� ImportErrorr9 �string�_string�randomr �
_SystemRandom� collectionsr � _namedtuple�
ascii_letters�digitsr r r r1 r3 r# rC �_vr= r r r r
�<module> s:
�
& �