45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
config EVM
|
|
boolean "EVM support"
|
|
select KEYS
|
|
select ENCRYPTED_KEYS
|
|
select CRYPTO_HMAC
|
|
select CRYPTO_SHA1
|
|
default n
|
|
help
|
|
EVM protects a file's security extended attributes against
|
|
integrity attacks.
|
|
|
|
If you are unsure how to answer this question, answer N.
|
|
|
|
config EVM_ATTR_FSUUID
|
|
bool "FSUUID (version 2)"
|
|
default y
|
|
depends on EVM
|
|
help
|
|
Include filesystem UUID for HMAC calculation.
|
|
|
|
Default value is 'selected', which is former version 2.
|
|
if 'not selected', it is former version 1
|
|
|
|
WARNING: changing the HMAC calculation method or adding
|
|
additional info to the calculation, requires existing EVM
|
|
labeled file systems to be relabeled.
|
|
|
|
config EVM_EXTRA_SMACK_XATTRS
|
|
bool "Additional SMACK xattrs"
|
|
depends on EVM && SECURITY_SMACK
|
|
default n
|
|
help
|
|
Include additional SMACK xattrs for HMAC calculation.
|
|
|
|
In addition to the original security xattrs (eg. security.selinux,
|
|
security.SMACK64, security.capability, and security.ima) included
|
|
in the HMAC calculation, enabling this option includes newly defined
|
|
Smack xattrs: security.SMACK64EXEC, security.SMACK64TRANSMUTE and
|
|
security.SMACK64MMAP.
|
|
|
|
WARNING: changing the HMAC calculation method or adding
|
|
additional info to the calculation, requires existing EVM
|
|
labeled file systems to be relabeled.
|
|
|