Steps to generate self signed certificate on Linux:
#openssl genrsa -des3 -out <key filename.key> 4096 #openssl req -new -key <key filename generated above> -out <csr file filename.csr> #openssl x509 -req -days 3650 -in <csr file filename.csr> -signkey <key filename.key> -out <cert filename.crt>
the -des3 encrypt PEM output with ede cbc des using 168 bit key
more info: https://wiki.openssl.org/index.php/Command_Line_Utilities
