My reason for saying this is the following warning:

/usr/lib/python2.7/site-packages/pycrypto-2.6-py2.7-cygwin-1.7.17-i686.egg/Crypto/Util/number.py:57:
 PowmInsecureWarning: Not using mpz_powm_sec.  You should rebuild using libgmp 
>= 5 to avoid timing attack vulnerability.
  _warn("Not using mpz_powm_sec.  You should rebuild using libgmp >= 5 to avoid 
timing attack vulnerability.", PowmInsecureWarning)


Issa Fattah ▪ Senior Production Engineer, WebOperations ▪  Work: 646-674-6882 ▪ 
 Mobile: 718-974-0815 ▪  On-Call: 646-674-5222

From: [email protected] 
[mailto:[email protected]] On Behalf Of [email protected]
Sent: Friday, January 04, 2013 1:38 PM
To: [email protected]
Subject: [google-appengine] Re: libgmp bug?

I would also greatly appreciate a fix for this warning as well.


On Tuesday, August 21, 2012 1:05:54 PM UTC-4, c h wrote:
using python27 this started showing in my error logs today:

1.    2012-08-21 08:22:06.683

/base/python27_runtime/python27_lib/versions/third_party/pycrypto-2.6/Crypto/Util/number.py:57:
 PowmInsecureWarning: Not using mpz_powm_sec.  You should rebuild using libgmp 
>= 5 to avoid timing attack vulnerability.

2.    E2012-08-21 08:22:06.683

  _warn("Not using mpz_powm_sec.  You should rebuild using libgmp >= 5 to avoid 
timing attack vulnerability.", PowmInsecureWarning)

i have not changed app versions in about a week.  was this caused by a system 
upgrade?  the error message makes me think it's something that should be fixed?

thanks,

christian


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