The gnome-keyring-pam package contains a pam module that can automatically unlock the "login" keyring when the user logs in.
acquired package info from repodata DB: repodata/f0b2606f1dc0294014b17bb8ea9231f0129611b4c9610b9db40f82da2b1f63da-primary.sqlite.bz2
A program that keep password and other secrets for users
The program can manage several keyrings, each with its own master password, and there is also a session keyring which is never stored to disk, but forgotten when the session ends.