What is the "password for new key ring"?

[Brasil]

Hi

Can someone explain what "password for new key ring"? is please.
It pops up during my VPN configuration.

Thank you in advance.

[freestyler]

The key ring saves passwords, the "password for new key ring" is the password to protect your passwords, just leave it blank and hit enter if you don't want to use it.

edit: I should have wrote. just leave it blank and hit enter if you don't want it to pop up anymore