projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 66dbc325 MZ |
1 | config EVM |
| 2 | boolean "EVM support" | |
| a3aef94b DK |
3 | select KEYS |
| 4 | select ENCRYPTED_KEYS | |
| 66dbc325 | 5 | select CRYPTO_HMAC |
| 66dbc325 MZ |
6 | select CRYPTO_SHA1 |
| 7 | default n | |
| 8 | help | |
| 9 | EVM protects a file's security extended attributes against | |
| 10 | integrity attacks. | |
| 11 | ||
| 12 | If you are unsure how to answer this question, answer N. | |
| 74de6684 | 13 | |
| d3b33679 DK |
14 | config EVM_ATTR_FSUUID |
| 15 | bool "FSUUID (version 2)" | |
| 16 | default y | |
| 74de6684 | 17 | depends on EVM |
| 74de6684 | 18 | help |
| d3b33679 DK |
19 | Include filesystem UUID for HMAC calculation. |
| 20 | ||
| 21 | Default value is 'selected', which is former version 2. | |
| 22 | if 'not selected', it is former version 1 | |
| 74de6684 | 23 | |
| d3b33679 | 24 | WARNING: changing the HMAC calculation method or adding |
| 74de6684 | 25 | additional info to the calculation, requires existing EVM |
| d3b33679 DK |
26 | labeled file systems to be relabeled. |
| 27 | ||
| 3e38df56 DK |
28 | config EVM_EXTRA_SMACK_XATTRS |
| 29 | bool "Additional SMACK xattrs" | |
| 30 | depends on EVM && SECURITY_SMACK | |
| 31 | default n | |
| 32 | help | |
| 33 | Include additional SMACK xattrs for HMAC calculation. | |
| 34 | ||
| 35 | In addition to the original security xattrs (eg. security.selinux, | |
| 36 | security.SMACK64, security.capability, and security.ima) included | |
| 37 | in the HMAC calculation, enabling this option includes newly defined | |
| 38 | Smack xattrs: security.SMACK64EXEC, security.SMACK64TRANSMUTE and | |
| 39 | security.SMACK64MMAP. | |
| 40 | ||
| 41 | WARNING: changing the HMAC calculation method or adding | |
| 42 | additional info to the calculation, requires existing EVM | |
| 43 | labeled file systems to be relabeled. | |
| 44 |