错误提示“You should rebuild using libgmp >= 5 to avoid timing attack vulnerability.”
[root@linux-node1 images]# openstack-status
== Glance services ==
openstack-glance-api: active
openstack-glance-registry: active
== Keystone service ==
openstack-keystone: active
== Support services ==
libvirtd: active
messagebus: active
rabbitmq-server: active
memcached: 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)处理方法：
说明：在Centos6.7系统中自带GMP version 4，但是一些应用如PyCrypto需要使用GMP >= 5。
# yum -y groupinstall "Development tools" # yum -y install gcc libgcc glibc libffi-devel libxml2-devel libxslt-devel openssl-devel zlib-devel bzip2-devel ncurses-devel python-devel # tar xvjf gmp-6.1.0.tar.bz2 # cd gmp-6.1.0 # ls # ./configure # echo $? # make # echo $? # make check # echo $? # make install # echo $? # yum install python-pip -y #pip install --ignore-installed PyCrypto # /etc/init.d/openstack-keystone restart
问题得到解决，记录下
本文出自 “冰冻vs西瓜” 博客，请务必保留此出处http://molewan.blog.51cto.com/287340/1727258
You should rebuild using libgmp >= 5 to avoid timing attack vulnerability.
原文：http://molewan.blog.51cto.com/287340/1727258