| Server IP : 162.19.112.25 / Your IP : 216.73.216.88 Web Server : LiteSpeed System : Linux qamar.tasjeel.ae 5.14.0-611.55.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Tue May 19 15:19:29 EDT 2026 x86_64 User : archiart ( 1428) PHP Version : 8.2.33 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /proc/self/root/lib/python3.9/site-packages/yubico/__pycache__/ |
Upload File : |
a
�w\z � @ s� d Z g d�ZddlZddlZddlmZ ddlmZ ddlmZ dZ d d
� Z
d d � Z d
d� Z dd� Z
G dd� d�Zd dd�Zdd� Zdd� Zd!d d �Zd d � ZdS )"z&
utility functions for Yubico modules
)�crc16�validate_crc16�hexdump�
modhex_decode�
hotp_truncate� N� )� __version__)� yubikey_defs)�yubico_exceptioni�� c C s t jdk rt| �S t| �S dS )z#Convert a byte to its integer value�� r N)�sys� version_info�ord�int)Zbyte� r �6/usr/lib/python3.9/site-packages/yubico/yubico_util.py�ord_byte s
r c C s t jdk rt| �S t| g�S dS )z1Convert an integer value to a length-1 bytestringr N)r
r �chr�bytes)Znumberr r r �chr_byte# s
r c C sH d}| D ]:}|t |�N }td�D ] }|d@ }|dL }|r |dN }q q|S )zN
Calculate an ISO13239 CRC checksum of the input buffer (bytestring).
i�� � r i� )r �range)�dataZm_crc�this�_�jr r r r * s r c C s t | �tkS )zs
Validate that the CRC of the contents of buffer is the residual OK value.
The input is a bytestring.
)r �_CRC_OK_RESIDUAL)r r r r r 8 s r c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
S ) �
DumpColorsz> Class holding ANSI colors for colorization of hexdump output c C s dddd�| _ d| _d S )Nz[94mz[92mz[0m)�BLUE�GREEN�RESETT)�colors�enabled��selfr r r �__init__D s �zDumpColors.__init__c C s | j r|| jv r| j| S dS )ze
Get the ANSI code for 'what'
Returns an empty string if disabled/not found
� )r# r" )r% Zwhatr r r �getL s
zDumpColors.getc C s
d| _ dS )z Enable colorization TN�r# r$ r r r �enableW s zDumpColors.enablec C s
d| _ dS )z Disable colorization FNr) r$ r r r �disable[ s zDumpColors.disableN)�__name__�
__module__� __qualname__�__doc__r& r( r* r+ r r r r r A s
r r Fc
C s | s t | �S t| �tur*t�dt| � ��d}d}t| |�D ]�}|r�|d |dd� }}t� }|�d�}t|�t j
@ r�|�d�}nt|�t j @ r�|�d�}|d � d
d � |D �� |�d� } | d t|� 7 } nd � d
d � |D ��} |d|| f 7 }||7 }q<|S )zd Produce a string hexdump of src, for debug output.
Input: bytestring; output: text string
z)Hexdump 'src' must be bytestring (got %s)r r' ���Nr! r r � c S s g | ]}d t |� �qS �z%02x�r ��.0�xr r r �
<listcomp>t � zhexdump.<locals>.<listcomp>z %02xc S s g | ]}d t |� �qS r2 r3 r4 r r r r7 w r8 z
%04X %s
)
�str�typer r
Z
InputError�groupr r( r r ZRESP_PENDING_FLAGZSLOT_WRITE_FLAG�join)
�src�lengthZcolorize�offset�resultr Zlastr" ZcolorZhex_sr r r r _ s*
"
r c s � �fdd�t dt� ���D �S )z* Split data into chunks of num chars each c s g | ]}� ||� � �qS r r )r5 �i�r Znumr r r7 ~ r8 zgroup.<locals>.<listcomp>r )r �lenrB r rB r r; | s r; c C s8 z
t j}W n ty" tj}Y n0 |dd�}| �|�S )z. Convert a modhex bytestring to ordinary hex. s cbdefghijklnrtuvs 0123456789abcdef)�string� maketrans�AttributeErrorr � translate)r rE Zt_mapr r r r � s
r � c C s� t | �dkrt�d��t| d �d@ }t| | �d@ d> t| |d �d@ d > B t| |d
�d@ d > B t| |d �d@ B }|d
| S )zH Perform the HOTP Algorithm truncating.
Input is a bytestring.
� z HMAC-SHA-1 not 20 bytes long� � � � r � � � r r �
)rC r
Z YubicoErrorr )Z hmac_resultr> r? Zbin_coder r r r � s
���r c C sT i }| rPt | d �t | d �| dd� }}} | d|� | |d� ||< } q|S )zE Parses a bytestring of TLV values into a dict with the tags as keys.r r rP Nr3 )r �parsed�t�lr r r � tlv_parse� s
( rU )r F)rH )r/ �__all__r
rD Zyubico_versionr r' r r
r r r r r r r r; r r rU r r r r �<module> s"