问题描述

centos 提示not using mpz_powm_sec. you should rebuild using libgmp >=5

我用cent OS6.5创建openstack的管理员用户时报这个错，摸索了一下好像是说libgmp版本不够新。
发现原来的是gmp-4.3.1-7 我想卸了之后装新的。但是有好多依赖卸载不了怎么办。

我最终目的是解决题目上述问题，求大神指导，务必详细一些

解决方案

https://ask.openstack.org/en/question/28335/you-should-rebuild-using-libgmp-5-to-avoid-timing-attack-vulnerability-_warnnot-using-mpz_powm_sec-you-should-rebuild-using-libgmp-5-to-avoid-timing/

http://www.linuxidc.com/Linux/2013-08/88982.htm

http://blog.sina.com.cn/s/blog_7b83134b0101btiw.html

解决方案二：

你不卸载老的，而是再装个新版本，然后配置openstack找新版本路径。

解决方案三：

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