아래 사이트에서 다운로드 후 설치
wget http://pkgs.repoforge.org/libmcrypt/libmcrypt-2.5.7-1.2.el6.rf.x86_64.rpm
wget http://pkgs.repoforge.org/libmcrypt/libmcrypt-devel-2.5.7-1.2.el6.rf.x86_64.rpm
wget http://pkgs.repoforge.org/mhash/mhash-0.9.9-1.el6.rf.x86_64.rpm
wget http://pkgs.repoforge.org/mhash/mhash-devel-0.9.9-1.el6.rf.x86_64.rpm