Verify the signature on RPM-based systems

Before installing the software, verify the software authenticity by validating the signature.

Log on to the system as a user with administrator rights.
Locate the public key (GPG) from the software download site.
Import your public key to your RPM DB using this command.
rpm --import <Public_Key_Name>
If you don't import the public key using this command, you will get the following warning message during the installation.
/tmp/tmp.FdcQqEpF3i/McAfeeFW-<vesion_number>-<build_number>.x86_64.rpm: Header V4 RSA/SHA1 Signature, key ID <key_number>: NOKEY
Verify the signature.
rpm -K McAfeeESP-<version_number>-<build_number>_x86_64.rpm
rpm -K McAfeeRt-<version_number>-<build_number>_x86_64.rpm
rpm -K McAfeeFW-<version_number>-<build_number>_x86_64.rpm
You get a message similar to McAfeeESP-<version_number>-<build_number>.x86_64.rpm: rsa sha1 (md5) pgp md5 OK