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MAN page from Fedora 21 keyutils-libs-1.5.9-4.fc21.i686.rpm

KEYRINGS

Section: Kernel key management (7)
Updated: 21 Feb 2014
Index 

NAME

keyutils - In-kernel key management utilities 

DESCRIPTION

Thekeyutilspackage is a library and a set of utilities for accessing the kernelkeyrings facility.A header file is supplied to provide the definitions and declarations requiredto access the library:
#include <keyutils.h>
To link with the library, the following:
-lkeyutils
should be specified to the linker.Three system calls are provided:
add_key()
Supply a new key to the kernel.
request_key()
Find an existing key for use, or, optionally, create one if one does not exist.
keyctl()
Control a key in various ways. The library provides a variety of wrappersaround this system call and those should be used rather than calling itdirectly.See theadd_key(2),request_key(2),andkeyctl(2)manual pages for more information.The keyctl() wrappers are listed on thekeyctl(3)manual page.
 

UTILITIES

A program is provided to interact with the kernel facility by a number ofsubcommands, e.g.:
keyctl add user foo bar @s
See thekeyctl(1)manual page for information on that.The kernel has the ability to upcall to userspace to fabricate new keys. Thiscan be triggered by request_key(), but userspace is better off usingadd_key() instead if it possibly can.The upcalling mechanism is usually routed via the:
request-key
program. What this does with any particular key is configurable in:
/etc/request-key.conf
/etc/request-key.d/
See therequest-key.conf(5)and therequest-key(8)manual pages for more information. 

SEE ALSO

keyrings(7),
pam_keyinit(8),
process-keyring(7),
session-keyring(7),
thread-keyring(7),
user-keyring(7),
user-session-keyring(7),
persistent-keyring(7)


 

Index

NAME
DESCRIPTION
UTILITIES
SEE ALSO

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