diff options
Diffstat (limited to 'security/keys/Kconfig')
| -rw-r--r-- | security/keys/Kconfig | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/security/keys/Kconfig b/security/keys/Kconfig index a90d6d300dbd..a4f3f8c48d6e 100644 --- a/security/keys/Kconfig +++ b/security/keys/Kconfig @@ -4,6 +4,7 @@ config KEYS bool "Enable access key retention support" + select ASSOCIATIVE_ARRAY help This option provides support for retaining authentication tokens and access keys in the kernel. @@ -19,6 +20,34 @@ config KEYS If you are unsure as to whether this is required, answer N. +config PERSISTENT_KEYRINGS + bool "Enable register of persistent per-UID keyrings" + depends on KEYS + help + This option provides a register of persistent per-UID keyrings, + primarily aimed at Kerberos key storage. The keyrings are persistent + in the sense that they stay around after all processes of that UID + have exited, not that they survive the machine being rebooted. + + A particular keyring may be accessed by either the user whose keyring + it is or by a process with administrative privileges. The active + LSMs gets to rule on which admin-level processes get to access the + cache. + + Keyrings are created and added into the register upon demand and get + removed if they expire (a default timeout is set upon creation). + +config BIG_KEYS + bool "Large payload keys" + depends on KEYS + depends on TMPFS + help + This option provides support for holding large keys within the kernel + (for example Kerberos ticket caches). The data may be stored out to + swapspace by tmpfs. + + If you are unsure as to whether this is required, answer N. + config TRUSTED_KEYS tristate "TRUSTED KEYS" depends on KEYS && TCG_TPM |