| Server IP : 103.119.228.120 / Your IP : 52.15.238.221 Web Server : Apache System : Linux v8.techscape8.com 3.10.0-1160.119.1.el7.tuxcare.els2.x86_64 #1 SMP Mon Jul 15 12:09:18 UTC 2024 x86_64 User : nobody ( 99) PHP Version : 5.6.40 Disable Function : shell_exec,symlink,system,exec,proc_get_status,proc_nice,proc_terminate,define_syslog_variables,syslog,openlog,closelog,escapeshellcmd,passthru,ocinum cols,ini_alter,leak,listen,chgrp,apache_note,apache_setenv,debugger_on,debugger_off,ftp_exec,dl,dll,myshellexec,proc_open,socket_bind,proc_close,escapeshellarg,parse_ini_filepopen,fpassthru,exec,passthru,escapeshellarg,escapeshellcmd,proc_close,proc_open,ini_alter,popen,show_source,proc_nice,proc_terminate,proc_get_status,proc_close,pfsockopen,leak,apache_child_terminate,posix_kill,posix_mkfifo,posix_setpgid,posix_setsid,posix_setuid,dl,symlink,shell_exec,system,dl,passthru,escapeshellarg,escapeshellcmd,myshellexec,c99_buff_prepare,c99_sess_put,fpassthru,getdisfunc,fx29exec,fx29exec2,is_windows,disp_freespace,fx29sh_getupdate,fx29_buff_prepare,fx29_sess_put,fx29shexit,fx29fsearch,fx29ftpbrutecheck,fx29sh_tools,fx29sh_about,milw0rm,imagez,sh_name,myshellexec,checkproxyhost,dosyayicek,c99_buff_prepare,c99_sess_put,c99getsource,c99sh_getupdate,c99fsearch,c99shexit,view_perms,posix_getpwuid,posix_getgrgid,posix_kill,parse_perms,parsesort,view_perms_color,set_encoder_input,ls_setcheckboxall,ls_reverse_all,rsg_read,rsg_glob,selfURL,dispsecinfo,unix2DosTime,addFile,system,get_users,view_size,DirFiles,DirFilesWide,DirPrintHTMLHeaders,GetFilesTotal,GetTitles,GetTimeTotal,GetMatchesCount,GetFileMatchesCount,GetResultFiles,fs_copy_dir,fs_copy_obj,fs_move_dir,fs_move_obj,fs_rmdir,SearchText,getmicrotime MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/mysqlsh/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/ |
Upload File : |
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import absolute_import, division, print_function
from cryptography import utils
from cryptography.hazmat.primitives.ciphers import (
BlockCipherAlgorithm,
CipherAlgorithm,
)
from cryptography.hazmat.primitives.ciphers.modes import ModeWithNonce
def _verify_key_size(algorithm, key):
# Verify that the key is instance of bytes
utils._check_byteslike("key", key)
# Verify that the key size matches the expected key size
if len(key) * 8 not in algorithm.key_sizes:
raise ValueError(
"Invalid key size ({}) for {}.".format(
len(key) * 8, algorithm.name
)
)
return key
@utils.register_interface(BlockCipherAlgorithm)
@utils.register_interface(CipherAlgorithm)
class AES(object):
name = "AES"
block_size = 128
# 512 added to support AES-256-XTS, which uses 512-bit keys
key_sizes = frozenset([128, 192, 256, 512])
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(BlockCipherAlgorithm)
@utils.register_interface(CipherAlgorithm)
class Camellia(object):
name = "camellia"
block_size = 128
key_sizes = frozenset([128, 192, 256])
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(BlockCipherAlgorithm)
@utils.register_interface(CipherAlgorithm)
class TripleDES(object):
name = "3DES"
block_size = 64
key_sizes = frozenset([64, 128, 192])
def __init__(self, key):
if len(key) == 8:
key += key + key
elif len(key) == 16:
key += key[:8]
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(BlockCipherAlgorithm)
@utils.register_interface(CipherAlgorithm)
class Blowfish(object):
name = "Blowfish"
block_size = 64
key_sizes = frozenset(range(32, 449, 8))
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(BlockCipherAlgorithm)
@utils.register_interface(CipherAlgorithm)
class CAST5(object):
name = "CAST5"
block_size = 64
key_sizes = frozenset(range(40, 129, 8))
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(CipherAlgorithm)
class ARC4(object):
name = "RC4"
key_sizes = frozenset([40, 56, 64, 80, 128, 160, 192, 256])
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(CipherAlgorithm)
class IDEA(object):
name = "IDEA"
block_size = 64
key_sizes = frozenset([128])
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(BlockCipherAlgorithm)
@utils.register_interface(CipherAlgorithm)
class SEED(object):
name = "SEED"
block_size = 128
key_sizes = frozenset([128])
def __init__(self, key):
self.key = _verify_key_size(self, key)
@property
def key_size(self):
return len(self.key) * 8
@utils.register_interface(CipherAlgorithm)
@utils.register_interface(ModeWithNonce)
class ChaCha20(object):
name = "ChaCha20"
key_sizes = frozenset([256])
def __init__(self, key, nonce):
self.key = _verify_key_size(self, key)
utils._check_byteslike("nonce", nonce)
if len(nonce) != 16:
raise ValueError("nonce must be 128-bits (16 bytes)")
self._nonce = nonce
nonce = utils.read_only_property("_nonce")
@property
def key_size(self):
return len(self.key) * 8