How to install "sbsigntool" in RHEL7

I am trying to install "sbsigntool" utility for signing my images.
I am getting below error.

[root@rhelsigning /]# yum install sbsigntool
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
No package sbsigntool available.
Error: Nothing to do
[root@rhelsigning /]#

uname -r
3.10.0-1160.25.1.el7.x86_64