delta/python-packages/pycrypto.git - github.com: dlitz/pycrypto.git

diff options


context:
space:
mode:

Diffstat (limited to 'pipermail/pycrypto/2010q2/000246.html')

-rw-r--r--

pipermail/pycrypto/2010q2/000246.html

318

1 files changed, 318 insertions, 0 deletions

diff --git a/pipermail/pycrypto/2010q2/000246.html b/pipermail/pycrypto/2010q2/000246.html
new file mode 100644
index 0000000..7932bf2
--- /dev/null
+++ b/pipermail/pycrypto/2010q2/000246.html

@@ -0,0 +1,318 @@

+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">

+<HTML>

+ <HEAD>

+ <TITLE> [pycrypto] _fastmath None !!

+ </TITLE>

+ <LINK REL="Index" HREF="index.html" >

+ <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20_fastmath%20None%20%21%21&In-Reply-To=630225.6817.qm%40web114216.mail.gq1.yahoo.com">

+ <META NAME="robots" CONTENT="index,nofollow">

+ <META http-equiv="Content-Type" content="text/html; charset=us-ascii">

+ <LINK REL="Previous" HREF="000245.html">

+ <LINK REL="Next" HREF="000247.html">

+ </HEAD>

+ <BODY BGCOLOR="#ffffff">

+ <H1>[pycrypto] _fastmath None !!</H1>

+ Lorenz Quack

+ <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20_fastmath%20None%20%21%21&In-Reply-To=630225.6817.qm%40web114216.mail.gq1.yahoo.com"

+ TITLE="[pycrypto] _fastmath None !!">don at amberfisharts.com

+ </A>

+ Wed May 19 07:50:51 CST 2010

+ <UL>

+ <LI>Previous message: <A HREF="000245.html">[pycrypto] _fastmath None !!

+</A></li>

+ <LI>Next message: <A HREF="000247.html">[pycrypto] SHA-224, SHA-384 and SHA-512 Implementations

+</A></li>

+ <LI> Messages sorted by:

+ <a href="date.html#246">[ date ]</a>

+ <a href="thread.html#246">[ thread ]</a>

+ <a href="subject.html#246">[ subject ]</a>

+ <a href="author.html#246">[ author ]</a>

+ </LI>

+ </UL>

+ <HR>

+

+<PRE>Hi,

+the code looks fine too me.

+I also ran it and had no problems. Even when generating the keys on my 32-bit Netbook and loading them on my 64-bit

+desktop I couldn't reproduce the problem (both with and without gmp installed). However both use pycrypto 2.1.0.

+Without being able to reproduce the problem I'm afraid I won't be able to help you. Sorry.

+cheers and good luck

+//Lorenz

+On 05/19/2010 06:17 AM, jd wrote:

+> Ok... here is attached program.

+>

+> The problem seems to be

+> a. Either package specific (pycrypto package installed using easy_install and/or from rpm as dependency from paramiko.)

+> I use virtual env, and when I install pycrypto using easy_install, the _fastmath.so is not present in the egg.

+>

+> b. serialization of keys in to file.

+>

+> Basically, if u run the attached program it works on all my test machines.

+> If you create the keys and save them on one machine, and try to read them (comment the key generation, saving part), then it does not work on some machines.

+>

+> I am using picke and base64, to my knowledge both should work across m/c architecture (32bit, 64bit) and different python versions. Or I am mistaken ?

+>

+> One observation is that the keys generated and saved on a 32 bit machines are running in to the problem when read on a 64 bit machine. But if I generate it on a 64 bit machine.. it seems to work on a 32 bit machine.

+>

+> NOTE: This is just one variable... the machines have different python version, different linux distro..etc.

+>

+> Thanks in advance.

+>

+> /Jd

+> p.s. I am going to switch serialization and see if that helps.

+>

+> --- On Tue, 5/18/10, Lorenz Quack<<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">don at amberfisharts.com</A>> wrote:

+>

+>> From: Lorenz Quack<<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">don at amberfisharts.com</A>>

+>> Subject: Re: [pycrypto] _fastmath None !!

+>> To: "PyCrypto discussion list"<<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">pycrypto at lists.dlitz.net</A>>

+>> Date: Tuesday, May 18, 2010, 3:20 AM

+>> Hi

+>>

+>> On 05/18/2010 08:19 AM, jd wrote:

+>>>

+>>> Hi Lorenz,

+>>> Thanks for quick response.

+>>>

+>>> It is happening on someone else's machine, I have

+>> requested them to check and send me details.

+>>>

+>>> In the mean time I looked that the code.

+>>> In RSA.py

+>>>

+>>> try:

+>>> from Crypto.PublicKey import

+>> _fastmath

+>>> except ImportError:

+>>> _fastmath = None

+>>>

+>>> Could this be problem ?

+>>

+>> I don't think so. That should happen when PyCrypto was

+>> compiled without gmp support.

+>> According to my analysis the relevant parts are the

+>> __setstate__ method in the class _RSAobj

+>> and the __init__ in the class RSAImplementation.

+>> In the __init__ the attribute _math is set which is later

+>> being accessed by both the construct

+>> method and in the _RSAobj.__setstate__ method.

+>> The way the _math attribute is set seems pretty safe to me

+>> so I believe things must be going

+>> astray somewhere else. But it's hard to tell without any

+>> code.

+>>

+>> cheers

+>> //Lorenz

+>>

+>>> Thanks

+>>> /Jd

+>>>

+>>> --- On Mon, 5/17/10, Lorenz Quack<<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">don at amberfisharts.com</A>>

+>> wrote:

+>>>

+>>>> From: Lorenz Quack<<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">don at amberfisharts.com</A>>

+>>>> Subject: Re: [pycrypto] _fastmath None !!

+>>>> To: "PyCrypto discussion list"<<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">pycrypto at lists.dlitz.net</A>>

+>>>> Date: Monday, May 17, 2010, 8:40 AM

+>>>> Hi again,

+>>>>

+>>>> no idea what's going wrong. normally pycrypto

+>> should fall

+>>>> back to _slowmath (a pure python implementation)

+>> when gmp is

+>>>>

+>>>> not installed meaning _fastmath is not available

+>> (_fastmath

+>>>> is a C implementation using gmp).

+>>>>

+>>>> Maybe you could prvide some more information, like

+>> python

+>>>> version, pycrypto version, is gmp installed?

+>>>> Also it would be a good idea to provide a

+>>>> small/minimalistic example demonstrating the

+>> problem.

+>>>> That way it is easyier to figure out if it's a bug

+>> in

+>>>> pycrypto or in your code.

+>>>>

+>>>> cheers,

+>>>> //Lorenz

+>>>>

+>>>> On 05/17/2010 04:48 PM, jd wrote:

+>>>>> Hi Guys

+>>>>> I am serializing

+>> the pycrypto keys

+>>>> using pickle.. as suggested in one of recent

+>> posts. It is

+>>>> working fine, but giving following problem on

+>> cenos 5.1.

+>>>> (stack at the bottom of email)

+>>>>>

+>>>>> 'NoneType' object has no attribute

+>> 'rsa_construct'

+>>>>>

+>>>>> I looked at the

+>> code.. it seems

+>>>> while constructing _fastmath is used. Any

+>> workarounds /

+>>>> fixes ? I do not think changing to saving tuple

+>> would help

+>>>> as it would also need to use __setstate__..

+>>>>>

+>>>>> Help is greatly appreciated.

+>>>>> Thanks

+>>>>> /Jd

+>>>>>

+>>>>> File "/tg2env/bin/paster", line 7, in ?

+>>>>> sys.exit(

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteScript-1.7.3-py2.4.egg/paste/script/command.py",

+>>>> line 84, in run

+>>>>> invoke(command,

+>> command_name,

+>>>> options, args[1:])

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteScript-1.7.3-py2.4.egg/paste/script/command.py",

+>>>> line 123, in invoke

+>>>>> exit_code =

+>> runner.run(args)

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteScript-1.7.3-py2.4.egg/paste/script/command.py",

+>>>> line 218, in run

+>>>>> result =

+>> self.command()

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteScript-1.7.3-py2.4.egg/paste/script/serve.py",

+>>>> line 276, in command

+>>>>> relative_to=base,

+>>>> global_conf=vars)

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteScript-1.7.3-py2.4.egg/paste/script/serve.py",

+>>>> line 311, in loadapp

+>>>>> return loadapp(

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteDeploy-1.3.3-py2.4.egg/paste/deploy/loadwsgi.py",

+>>>> line 204, in loadapp

+>>>>> return loadobj(APP,

+>> uri,

+>>>> name=name, **kw)

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteDeploy-1.3.3-py2.4.egg/paste/deploy/loadwsgi.py",

+>>>> line 225, in loadobj

+>>>>> return

+>> context.create()

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteDeploy-1.3.3-py2.4.egg/paste/deploy/loadwsgi.py",

+>>>> line 625, in create

+>>>>> return

+>>>> self.object_type.invoke(self)

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteDeploy-1.3.3-py2.4.egg/paste/deploy/loadwsgi.py",

+>>>> line 110, in invoke

+>>>>> return

+>> fix_call(context.object,

+>>>> context.global_conf, **context.local_conf)

+>>>>> File

+>>>>

+>> "/tg2env/lib/python2.4/site-packages/PasteDeploy-1.3.3-py2.4.egg/paste/deploy/util/fixtypeerror.py",

+>>>> line 57, in fix_call

+>>>>> val =

+>> callable(*args, **kw)

+>>>>> File

+>>>>

+>> "/m2svn/trunk/src/app/web/app/app/config/middleware.py",

+>>>> line 46, in make_app

+>>>>> if

+>> verify_license():

+>>>>> File

+>>>>

+>> "/m2svn/trunk/src/app/web/app/app/core/utils/utils.py",

+>> line

+>>>> 2221, in verify_license

+>>>>> l_info =

+>>>> read_license_using_embeded(license_file)

+>>>>> File

+>>>>

+>> "/m2svn/trunk/src/app/web/app/app/core/utils/utils.py",

+>> line

+>>>> 2202, in read_license_using_embeded

+>>>>> pub_key

+>> =get_embeded_key()

+>>>>> File

+>>>>

+>> "/m2svn/trunk/src/app/web/app/app/core/utils/utils.py",

+>> line

+>>>> 2197, in get_embeded_key

+>>>>> key =

+>> pickle.loads(str)

+>>>>> File

+>> "/usr/lib64/python2.4/pickle.py",

+>>>> line 1394, in loads

+>>>>> return

+>> Unpickler(file).load()

+>>>>> File

+>> "/usr/lib64/python2.4/pickle.py",

+>>>> line 872, in load

+>>>>>

+>> dispatch[key](self)

+>>>>> File

+>> "/usr/lib64/python2.4/pickle.py",

+>>>> line 1237, in load_build

+>>>>> setstate(state)

+>>>>> File

+>>>>

+>> "build/bdist.linux-x86_64/egg/Crypto/PublicKey/RSA.py",

+>> line

+>>>> 171, in __setstate__

+>>>>> AttributeError: 'NoneType' object has no

+>> attribute

+>>>> 'rsa_construct'

+>>>>>

+

+</PRE>

+

+ <HR>

+ <UL>

+

+ <LI>Previous message: <A HREF="000245.html">[pycrypto] _fastmath None !!

+</A></li>

+ <LI>Next message: <A HREF="000247.html">[pycrypto] SHA-224, SHA-384 and SHA-512 Implementations

+</A></li>

+ <LI> Messages sorted by:

+ <a href="date.html#246">[ date ]</a>

+ <a href="thread.html#246">[ thread ]</a>

+ <a href="subject.html#246">[ subject ]</a>

+ <a href="author.html#246">[ author ]</a>

+ </LI>

+ </UL>

+<hr>

+<a href="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">More information about the pycrypto

+mailing list</a>

+</body></html>