Require all keys added to the IMA keyring be signed by an existing trusted key on the system trusted keyring.
Signed-off-by: Dmitry Kasatkin <[email protected]> --- security/integrity/ima/Kconfig | 9 +++++++++ security/integrity/ima/ima_init.c | 1 + 2 files changed, 10 insertions(+) diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig index 5f95e50..be11c01 100644 --- a/security/integrity/ima/Kconfig +++ b/security/integrity/ima/Kconfig @@ -122,3 +122,12 @@ config IMA_APPRAISE For more information on integrity appraisal refer to: <http://linux-ima.sourceforge.net> If unsure, say N. + +config IMA_TRUSTED_KEYRING + bool "Require all keys on the _ima keyring be signed" + depends on IMA && SYSTEM_TRUSTED_KEYRING + select INTEGRITY_TRUSTED_KEYRING + default y + help + This option requires that all keys added to the _ima + keyring be signed by a key on the system trusted keyring. diff --git a/security/integrity/ima/ima_init.c b/security/integrity/ima/ima_init.c index e8f9d70..515c1a2 100644 --- a/security/integrity/ima/ima_init.c +++ b/security/integrity/ima/ima_init.c @@ -107,6 +107,7 @@ int __init ima_init(void) ima_add_boot_aggregate(); /* boot aggregate must be first entry */ ima_init_policy(); + integrity_init_keyring(INTEGRITY_KEYRING_IMA); return ima_fs_init(); } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
