Easy steps to install s2n package on Mac
Package Information:
Application Name – s2n
What is s2n – Not Available for s2n
Use of s2n – Implementation of the TLS/SSL protocols
URL – https://github.com/awslabs/s2n
Installation Steps:
- Open Terminal using Spotlight search by pressing  
<command+space>. Type terminal and hitEnterkey. - Now, run following command to install homebrew (brew)
 - Install s2n using brew
brew install s2n
 

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

s2n is ready to use now!