openssl tips
openssl aes-256-cbc -salt -in secrets.txt -out secrets.txt.enc
openssl aes-256-cbc -d -in secrets.txt.enc -out secrets.txt.new
* You will be prompted for a password.
openssl req -x509 -newkey rsa:1024 -keyout file.pem -out file.crt -days 9999 -nodes
or advanced method
openssl genrsa -out server.key 1024
openssl req -new -key server.key -out server.csr \
-subj '/C=RU/ST=St.Petersburg/L=St.Petersburg/CN=www.4foo.net'
openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
make sure you enter right value to CN field
to display cert details