[pycrypto] pycryptodome

[Dave Pawson]

On 8 December 2016 at 12:46, Martin Falatic <martin at falatic.com> wrote:
> When you run `pip2.7 list` (pretty sure that's what you need for python2,
> or `pip list` may be the defacto python2 pip on Fedora) and `pip3.5 list`
> (for python3), what are you seeing in the area of "pycrypto*" for each of
> these? I'm hopeful that once you have the proper libs installed for
> python3 via pip3.5 things should work better.

pip2 list | grep crypt
pycryptodomex (3.4.3)


No such thing as pip3.x

 dnf install python3-pip
Last metadata expiration check: 0:00:48 ago on Thu Dec  8 16:40:04 2016.
Package python3-pip-8.1.2-2.fc25.noarch is already installed, skipping.
Dependencies resolved.
Nothing to do.

dnf info python3-pip
Last metadata expiration check: 0:03:38 ago on Thu Dec  8 16:40:04 2016.
Installed Packages
Name        : python3-pip
Arch        : noarch
Epoch       : 0
Version     : 8.1.2
Release     : 2.fc25
Size        : 8.6 M
Repo        : @System
>From repo   : fedora
Summary     : A tool for installing and managing Python3 packages
URL         : http://www.pip-installer.org
License     : MIT
Description : Pip is a replacement for `easy_install
            : <http://peak.telecommunity.com/DevCenter/EasyInstall>`_.
It uses mostly the
            : same techniques for finding packages, so packages that were made
            : easy_installable should be pip-installable as well.


Looks like python3-pip is pip?

Yet

# pip -V
pip 9.0.1 from /usr/lib/python2.7/site-packages (python 2.7)


So (possibly?) there is a pip looking at python3.



>
> Normally you'd use the pip variant for python3 (e.g., pip3.5) to install
> packages for python3. Can you give that a look and retry?
>
> Note that I'm not an expert on pycryptodome - my understanding is that
> pycryptodome can be used instead of pycrypto, and it seems to work fine on
> Windows (and I don't have reason to think it'd be any different on Linux).
> I have no experience with pycryptodomex currently. I have pycryptodome
> installed on python 2.7 and 3.5 on my Windows box (and pycrypto NOT
> installed on either) and the test you described ran fine for both.
>
> That said, if this continues, what version of Fedora are you running? I
> can stand up a VM and see for myself.

Latest - Fedora 25.

Is there a separate mailing list for pycryptodome?
Perhaps I should ask there?

Tks. Dave


>
>  - M
>
>
> On Thu, December 8, 2016 01:44, Dave Pawson wrote:
>> Additional information.
>>
>>
>> pip install pycryptodomex Requirement already satisfied: pycryptodomex in
>> /usr/lib64/python2.7/site-packages
>>
>>
>>
>> Yet...
>>
>>
>> File "/usr/lib64/python3.5/site-packages/Crypto/Cipher/blockalgo.py",
>> line 141, in __init__ self._cipher = factory.new(key, *args, **kwargs)
>> ValueError: IV must be 16 bytes long
>>
>>
>> So (since I'm using python3) it's picking up the Crypto library from
>> python 3.5 and pip is installing it in python 2.7
>>
>> https://pycryptodome.readthedocs.io/en/latest/src/installation.html#windo
>> ws-from-sources-python-3-5-and-newer
>>
>> (aside. Yum no longer used in Fedora, just replace with dnf)
>>
>>
>> python3 -m Cryptodome.Selftest /usr/bin/python3: Error while finding spec
>> for 'Cryptodome.Selftest' (ImportError: No module named 'Cryptodome')
>>
>>
>> regards Dave
>>
>>
>> On 8 December 2016 at 09:20, Dave Pawson <dave.pawson at gmail.com> wrote:
>>
>>> https://pycryptodome.readthedocs.io/en/latest/src/installation.html
>>>
>>>
>>> python3 -m Cryptodome.SelfTest /usr/bin/python3: Error while finding
>>> spec for 'Cryptodome.SelfTest' (ImportError: No module named
>>> 'Cryptodome')
>>>
>>>
>>>
>>> https://pycryptodome.readthedocs.io/en/latest/src/examples.html
>>>
>>>
>>> example
>>>
>>> python3 exp1.py Traceback (most recent call last):
>>> File "exp1.py", line 12, in <module>
>>> cipher = AES.new(key, AES.MODE_EAX) AttributeError: module
>>> 'Crypto.Cipher.AES' has no attribute 'MODE_EAX'
>>>
>>>
>>> which seems to be true
>>>
>>> dir(AES) ['AESCipher', 'MODE_CBC', 'MODE_CFB', 'MODE_CTR', 'MODE_ECB',
>>> 'MODE_OFB', 'MODE_OPENPGP', 'MODE_PGP', '_AES', '__builtins__',
>>> '__cached__', '__doc__', '__file__', '__loader__', '__name__',
>>> '__package__', '__revision__', '__spec__', 'block_size', 'blockalgo',
>>> 'key_size', 'new']
>>>
>>>
>>>
>>> Bugs in docs? Library?
>>>
>>>
>>> Suggestions please.
>>>
>>>
>>> regards
>>>
>>>
>>> --
>>> Dave Pawson
>>> XSLT XSL-FO FAQ.
>>> Docbook FAQ.
>>> http://www.dpawson.co.uk
>>>
>>
>>
>>
>> --
>> Dave Pawson
>> XSLT XSL-FO FAQ.
>> Docbook FAQ.
>> http://www.dpawson.co.uk
>> _______________________________________________
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>> http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto
>>
>>
>
>
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-- 
Dave Pawson
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