Package keyutils

Linux Key Management Utilities

http://people.redhat.com/~dhowells/keyutils/

Utilities to control the kernel key management facility and to provide
a mechanism by which the kernel call back to user space to get a key
instantiated.

General Commands (Section 1)
keyctl
This program is used to control the key management facility in various ways using a variety of subcommands.
File Formats (Section 5)
request-key.conf
This file and its associated key-type specific variants are used by the /sbin/request-key program to determine which program it should run to instantiate a key...
System Administration (Section 8)
key.dns_resolver
This program is invoked by request-key on behalf of the kernel when kernel services (such as NFS, CIFS and AFS) want to perform a hostname lookup and the kernel...
request-key
This program is invoked by the kernel when the kernel is asked for a key that it doesn't have immediately available. The kernel creates a partially set up key...