diff options
Diffstat (limited to 'security/Kconfig')
| -rw-r--r-- | security/Kconfig | 76 |
1 files changed, 8 insertions, 68 deletions
diff --git a/security/Kconfig b/security/Kconfig index 51bd5a0b69a..beb86b500ad 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -4,73 +4,7 @@ menu "Security options" -config KEYS - bool "Enable access key retention support" - help - This option provides support for retaining authentication tokens and - access keys in the kernel. - - It also includes provision of methods by which such keys might be - associated with a process so that network filesystems, encryption - support and the like can find them. - - Furthermore, a special type of key is available that acts as keyring: - a searchable sequence of keys. Each process is equipped with access - to five standard keyrings: UID-specific, GID-specific, session, - process and thread. - - If you are unsure as to whether this is required, answer N. - -config TRUSTED_KEYS - tristate "TRUSTED KEYS" - depends on KEYS && TCG_TPM - select CRYPTO - select CRYPTO_HMAC - select CRYPTO_SHA1 - help - This option provides support for creating, sealing, and unsealing - keys in the kernel. Trusted keys are random number symmetric keys, - generated and RSA-sealed by the TPM. The TPM only unseals the keys, - if the boot PCRs and other criteria match. Userspace will only ever - see encrypted blobs. - - If you are unsure as to whether this is required, answer N. - -config ENCRYPTED_KEYS - tristate "ENCRYPTED KEYS" - depends on KEYS - select CRYPTO - select CRYPTO_HMAC - select CRYPTO_AES - select CRYPTO_CBC - select CRYPTO_SHA256 - select CRYPTO_RNG - help - This option provides support for create/encrypting/decrypting keys - in the kernel. Encrypted keys are kernel generated random numbers, - which are encrypted/decrypted with a 'master' symmetric key. The - 'master' key can be either a trusted-key or user-key type. - Userspace only ever sees/stores encrypted blobs. - - If you are unsure as to whether this is required, answer N. - -config KEYS_DEBUG_PROC_KEYS - bool "Enable the /proc/keys file by which keys may be viewed" - depends on KEYS - help - This option turns on support for the /proc/keys file - through which - can be listed all the keys on the system that are viewable by the - reading process. - - The only keys included in the list are those that grant View - permission to the reading process whether or not it possesses them. - Note that LSM security checks are still performed, and may further - filter out keys that the current process is not authorised to view. - - Only key attributes are listed here; key payloads are not included in - the resulting table. - - If you are unsure as to whether this is required, answer N. +source security/keys/Kconfig config SECURITY_DMESG_RESTRICT bool "Restrict unprivileged access to the kernel syslog" @@ -169,7 +103,7 @@ config INTEL_TXT config LSM_MMAP_MIN_ADDR int "Low address space for LSM to protect from user allocation" depends on SECURITY && SECURITY_SELINUX - default 32768 if ARM + default 32768 if ARM || (ARM64 && COMPAT) default 65536 help This is the portion of low virtual memory which should be protected @@ -187,6 +121,7 @@ source security/selinux/Kconfig source security/smack/Kconfig source security/tomoyo/Kconfig source security/apparmor/Kconfig +source security/yama/Kconfig source security/integrity/Kconfig @@ -196,6 +131,7 @@ choice default DEFAULT_SECURITY_SMACK if SECURITY_SMACK default DEFAULT_SECURITY_TOMOYO if SECURITY_TOMOYO default DEFAULT_SECURITY_APPARMOR if SECURITY_APPARMOR + default DEFAULT_SECURITY_YAMA if SECURITY_YAMA default DEFAULT_SECURITY_DAC help @@ -214,6 +150,9 @@ choice config DEFAULT_SECURITY_APPARMOR bool "AppArmor" if SECURITY_APPARMOR=y + config DEFAULT_SECURITY_YAMA + bool "Yama" if SECURITY_YAMA=y + config DEFAULT_SECURITY_DAC bool "Unix Discretionary Access Controls" @@ -225,6 +164,7 @@ config DEFAULT_SECURITY default "smack" if DEFAULT_SECURITY_SMACK default "tomoyo" if DEFAULT_SECURITY_TOMOYO default "apparmor" if DEFAULT_SECURITY_APPARMOR + default "yama" if DEFAULT_SECURITY_YAMA default "" if DEFAULT_SECURITY_DAC endmenu |