openssl rand -hex -out ~/Desktop/sym_keyfile.key 128
./ssss-split -x -t 3 -n 5 < ~/Desktop/sym_keyfile.key
./ssss-combine -x -t 3 (to verify that SSSS worked)
openssl genrsa -out private.pem -passout file:sym_keyfile.key -des3 2048
openssl rsa -in private.pem -outform PEM -pubout -out public.pem -passin file:sym_keyfile.key