You should rebuild using LIBGMP >= 5 to avoid timing attack vulnerability.

Error message "You should rebuild using LIBGMP >= 5 to avoid timing attack vulnerability."

[[email protected] images]# openstack-status== glance services == openstack-glance-api:                    activeopenstack-glance-registry:               active== Keystone service ==openstack-keystone:                       active== Support services ==libvirtd:                                 activemessagebus:                               activerabbitmq-server:                         activememcached:                                inactive   (disabled on boot) == keystone users ==/usr/lib64/python2.6/ site-packages/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)

Processing method:

Note: The Centos6.7 system comes with GMP version 4, but some applications such as pycrypto need to use GMP >= 5.

# yum-y Groupinstall "Development Tools" # yum-y install gcc libgcc glibc libffi-devel libxml2-devel libxslt-devel openss L-devel zlib-devel bzip2-devel ncurses-devel python-devel# tar xvjf gmp-6.1.0.tar.bz2 # cd gmp-6.1.0# ls#./configure # EC  Ho $?# make# echo $?# make check# echo $?# make install# echo $?# yum install Python-pip-y#pip install--ignore-installed pycrypto#/etc/init.d/openstack-keystone Restart

The problem is solved, the record

This article is from the "Frozen vs watermelon" blog, so be sure to keep this source http://molewan.blog.51cto.com/287340/1727258

You should rebuild using LIBGMP >= 5 to avoid timing attack vulnerability.