Follow instructions for Red Hat Enterprise Linux* to install Intel® Software Guard Extensions (Intel® SGX) components in CentOS*.
The command for adding a repository key to the local trusted key storage for Ubuntu* is:
wget -qO - https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key | sudo apt-key add –
Unable to determine which command to use to add a trusted key in CentOS*.
CentOS* and Red Hat Enterprise Linux* do not require the Debian repository public key.
Follow the instructions for Red Hat Enterprise Linux* in the Intel® Software Guard Extensions (Intel® SGX) Software Installation Guide for installation on a CentOS* system.