Certificate Authority create certificate request
openssl genrsa -aes256 -out user.key 2048
openssl req -new -key user.key -out user.csropenssl x509 -in user.cer -text openssl genrsa -aes256 -out user.key 2048
openssl req -new -key user.key -out user.csropenssl x509 -in user.cer -text