UBUNTU: Ubuntu-2.6.38-12.51

[linux-flexiantxendom0-natty.git] / security / Kconfig

diff --git a/security/Kconfig b/security/Kconfig
index bd72ae6..3f8aa3c 100644 (file)
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -21,6 +21,37 @@ config KEYS
 
          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 && TRUSTED_KEYS
+       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
@@ -39,6 +70,18 @@ config KEYS_DEBUG_PROC_KEYS
 
          If you are unsure as to whether this is required, answer N.
 
+config SECURITY_DMESG_RESTRICT
+       bool "Restrict unprivileged access to the kernel syslog"
+       default n
+       help
+         This enforces restrictions on unprivileged users reading the kernel
+         syslog via dmesg(8).
+
+         If this option is not selected, no restrictions will be enforced
+         unless the dmesg_restrict sysctl is explicitly set to (1).
+
+         If you are unsure how to answer this question, answer N.
+
 config SECURITY
        bool "Enable different security models"
        depends on SYSFS
@@ -141,6 +184,7 @@ source security/selinux/Kconfig
 source security/smack/Kconfig
 source security/tomoyo/Kconfig
 source security/apparmor/Kconfig
+source security/yama/Kconfig
 
 source security/integrity/ima/Kconfig
 
@@ -150,6 +194,7 @@ 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
@@ -168,6 +213,9 @@ 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"
 
@@ -179,6 +227,7 @@ 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