New submission from Dmitry <d...@dniq-online.com>:
All base64 decoding methods fail to decode a valid base64 string, throwing
'incorrect padding' regardless of the string padding.
Here's an example:
>>> base64.urlsafe_b64decode('AQAAQDhAAMAAQAAAAAAAAthAAAAJDczODFmZDM2LTNiOTYtNDVmYS04MjQ2LWRkYzJkMmViYjQ2YQ===')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/export/apps/python/3.6/lib/python3.6/base64.py", line 133, in
urlsafe_b64decode
return b64decode(s)
File "/export/apps/python/3.6/lib/python3.6/base64.py", line 87, in b64decode
return binascii.a2b_base64(s)
binascii.Error: Incorrect padding
The same string gets decoded without any issues using Perl's MIME::Base64
module or Java. So far Python's base64 module is the only one that fails to
decode it.
----------
components: Extension Modules
messages: 318691
nosy: dniq
priority: normal
severity: normal
status: open
title: base64 throws 'incorrect padding' exception even though the string
length is a multiple of 4
versions: Python 3.6
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33770>
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