manicmaniac / arc4 Goto Github PK
View Code? Open in Web Editor NEWA small and insanely fast ARCFOUR (RC4) cipher implementation of Python
Home Page: https://pypi.org/project/arc4/
License: MIT License
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arc4's Issues
Passing unicode string to key or data leads mysterious errors
Currently all methods including constructor defined in ARC4 accepts not only bytes but also unicode str.
However passing a unicode str to ARC4 methods requires developers to be very careful like the following example.
>>> from arc4 import ARC4
>>> with open('key-in-utf-8.txt') as f:
... arc4 = ARC4(f.read())
>>> with open('cipher-utf-8.txt') as f:
... print(arc4.decrypt(f.read())) # success
>>> with open('cipher-latin-1.txt') as f:
... print(arc4.decrypt(f.read())) # failure
Traceback (most recent call last):
File "/path/to/script.py", line 7, in <module>
print(arc4.decrypt(f.read()))
File "/path/to/python3.9/lib/python3.9/codecs.py", line 322, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xf4 in position 3: invalid continuation byteThe example is too simple for experienced developers to make a mistake but once someone changed the text file's encoding, or the print function is called from another module, it could be difficult to find the root cause.
So I will add changes to have ARC4 accept only bytes in future releases.
As a first step, arc4 0.3.0 will warn DeprecationWarning when users pass unicode str to any public methods or constructor of ARC4.
Thereafter maybe in arc4 1.0.0, it will be officially unsupported.
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github-actions
.github/workflows/benchmark.yml
actions/checkout v4@692973e3d937129bcbf40652eb9f2f61becf3332actions/setup-python v5actions/upload-artifact v4exuanbo/actions-deploy-gist v1ubuntu 22.04.github/workflows/release.yml
actions/checkout v4@692973e3d937129bcbf40652eb9f2f61becf3332actions/setup-python v5actions/upload-artifact v4actions/checkout v4@692973e3d937129bcbf40652eb9f2f61becf3332actions/setup-python v5actions/upload-artifact v4actions/checkout v4@692973e3d937129bcbf40652eb9f2f61becf3332actions/upload-artifact v4actions/setup-python v5actions/download-artifact v4ubuntu 22.04ubuntu 22.04ubuntu 22.04.github/workflows/test.yml
actions/checkout v4@692973e3d937129bcbf40652eb9f2f61becf3332actions/setup-python v5actions/upload-artifact v4actions/download-artifact v4actions/checkout v4@692973e3d937129bcbf40652eb9f2f61becf3332ubuntu 22.04ubuntu 22.04
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Failure on install.
Logs:
Collecting arc4
Using cached arc4-0.0.2.tar.gz (3.7 kB)
Building wheels for collected packages: arc4
Building wheel for arc4 (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: 'c:\users\alexc\appdata\local\programs\python\python38-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\alexc\\AppData\\Local\\Temp\\pip-install-_daxeifk\\arc4\\setup.py'"'"'; __file__='"'"'C:\\Users\\alexc\\AppData\\Local\\Temp\\pip-install-_daxeifk\\arc4\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:\Users\alexc\AppData\Local\Temp\pip-wheel-hxscnlko'
cwd: C:\Users\alexc\AppData\Local\Temp\pip-install-_daxeifk\arc4\
Complete output (12 lines):
running bdist_wheel
running build
running build_ext
building 'arc4' extension
creating build
creating build\temp.win32-3.8
creating build\temp.win32-3.8\Release
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\HostX86\x86\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Ic:\users\alexc\appdata\local\programs\python\python38-32\include -Ic:\users\alexc\appdata\local\programs\python\python38-32\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\include" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" /Tcarc4.c /Fobuild\temp.win32-3.8\Release\arc4.obj -O3
cl : Command line warning D9002 : ignoring unknown option '-O3'
arc4.c
c:\users\alexc\appdata\local\programs\python\python38-32\include\pyconfig.h(59): fatal error C1083: Cannot open include file: 'io.h': No such file or directory
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.26.28801\\bin\\HostX86\\x86\\cl.exe' failed with exit status 2
----------------------------------------
ERROR: Failed building wheel for arc4
Running setup.py clean for arc4
Failed to build arc4
DEPRECATION: Could not build wheels for arc4 which do not use PEP 517. pip will fall back to legacy 'setup.py install' for these. pip 21.0 will remove support for this functionality. A possible replacement is to fix the wheel build issue reported above. You can find discussion regarding this at https://github.com/pypa/pip/issues/8368.
Installing collected packages: arc4
Running setup.py install for arc4 ... error
ERROR: Command errored out with exit status 1:
command: 'c:\users\alexc\appdata\local\programs\python\python38-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\alexc\\AppData\\Local\\Temp\\pip-install-_daxeifk\\arc4\\setup.py'"'"'; __file__='"'"'C:\\Users\\alexc\\AppData\\Local\\Temp\\pip-install-_daxeifk\\arc4\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\alexc\AppData\Local\Temp\pip-record-a0ya45_6\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\alexc\appdata\local\programs\python\python38-32\Include\arc4'
cwd: C:\Users\alexc\AppData\Local\Temp\pip-install-_daxeifk\arc4\
Complete output (12 lines):
running install
running build
running build_ext
building 'arc4' extension
creating build
creating build\temp.win32-3.8
creating build\temp.win32-3.8\Release
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\HostX86\x86\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Ic:\users\alexc\appdata\local\programs\python\python38-32\include -Ic:\users\alexc\appdata\local\programs\python\python38-32\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\include" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" /Tcarc4.c /Fobuild\temp.win32-3.8\Release\arc4.obj -O3
cl : Command line warning D9002 : ignoring unknown option '-O3'
arc4.c
c:\users\alexc\appdata\local\programs\python\python38-32\include\pyconfig.h(59): fatal error C1083: Cannot open include file: 'io.h': No such file or directory
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.26.28801\\bin\\HostX86\\x86\\cl.exe' failed with exit status 2
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\users\alexc\appdata\local\programs\python\python38-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\alexc\\AppData\\Local\\Temp\\pip-install-_daxeifk\\arc4\\setup.py'"'"'; __file__='"'"'C:\\Users\\alexc\\AppData\\Local\\Temp\\pip-install-_daxeifk\\arc4\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\alexc\AppData\Local\Temp\pip-record-a0ya45_6\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\alexc\appdata\local\programs\python\python38-32\Include\arc4' Check the logs for full command output.```
Hello. It is posible to add drop-n variable to this impementation? This will be very useful.
Array out of bounds access.
The arc4_state.s is only 255 bytes long. It should be 256...
Contribute: Wheel for Python 3.9 under Windows 10 x64
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