You still need the other 32bit libs. From 12.6 onwards, all you need is ksh since that release is 64bit. For the entropy you are better off configuring the rngd daemon.
https://docops.ca.com/ca-single-sign-on/12-52-sp1/en/installing/install-a-policy-server/install-policy-server-on-unix/prepare-for-the-policy-server-installation#PrepareforthePolicyServerInstallation-IncreaseEntropy
yum -y install libstdc++.i686
yum -y install compat-libstdc++-33.i686
yum -y install compat-db.i686
yum -y install compat-db42.i686
yum -y install compat-db43.i686
yum -y install compat-expat1.i686
yum -y install compat-libtermcap.i686
yum -y install libcom_err.i686
yum -y install e2fsprogs-libs.i686
yum -y install expat.i686
yum -y install freetype.i686
yum -y install fontconfig.i686
yum -y install keyutils-libs.i686
yum -y install libICE.i686
yum -y install libidn.i686
yum -y install libuuid.i686
yum -y install libSM.i686
yum -y install libXau.i686
yum -y install libxcb.i686
yum -y install libX11.i686
yum -y install libXext.i686
yum -y install libXrender.i686
yum -y install libXft.i686
yum -y install libXi.i686
yum -y install libXp.i686
yum -y install libXt.i686
yum -y install libXtst.i686
yum -y install ncurses-libs.i686