tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1config EVM
2 boolean "EVM support"
3 depends on SECURITY
4 select KEYS
5 select ENCRYPTED_KEYS
6 select CRYPTO_HMAC
7 select CRYPTO_SHA1
8 default n
9 help
10 EVM protects a file's security extended attributes against
11 integrity attacks.
12
13 If you are unsure how to answer this question, answer N.
14
15if EVM
16
17menu "EVM options"
18
19config EVM_ATTR_FSUUID
20 bool "FSUUID (version 2)"
21 default y
22 depends on EVM
23 help
24 Include filesystem UUID for HMAC calculation.
25
26 Default value is 'selected', which is former version 2.
27 if 'not selected', it is former version 1
28
29 WARNING: changing the HMAC calculation method or adding
30 additional info to the calculation, requires existing EVM
31 labeled file systems to be relabeled.
32
33config EVM_EXTRA_SMACK_XATTRS
34 bool "Additional SMACK xattrs"
35 depends on EVM && SECURITY_SMACK
36 default n
37 help
38 Include additional SMACK xattrs for HMAC calculation.
39
40 In addition to the original security xattrs (eg. security.selinux,
41 security.SMACK64, security.capability, and security.ima) included
42 in the HMAC calculation, enabling this option includes newly defined
43 Smack xattrs: security.SMACK64EXEC, security.SMACK64TRANSMUTE and
44 security.SMACK64MMAP.
45
46 WARNING: changing the HMAC calculation method or adding
47 additional info to the calculation, requires existing EVM
48 labeled file systems to be relabeled.
49
50endmenu
51
52endif