diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-06-05 11:02:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-06-05 11:02:00 -0700 |
| commit | d834502e2fca9380a1579fecd134ef94c063b662 (patch) | |
| tree | 5f180e522792facbe222c3c28b69df8003c93304 /Documentation | |
| parent | eedf265aa003b4781de24cfed40a655a664457e6 (diff) | |
| parent | 4693fc734d675c5518ea9bd4c9623db45bc37402 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull key handling update from James Morris:
"This alters a new keyctl function added in the current merge window to
allow for a future extension planned for the next merge window"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
KEYS: Add placeholder for KDF usage with DH
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/security/keys.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt index 20d05719bceb..3849814bfe6d 100644 --- a/Documentation/security/keys.txt +++ b/Documentation/security/keys.txt @@ -826,7 +826,8 @@ The keyctl syscall functions are: (*) Compute a Diffie-Hellman shared secret or public key long keyctl(KEYCTL_DH_COMPUTE, struct keyctl_dh_params *params, - char *buffer, size_t buflen); + char *buffer, size_t buflen, + void *reserved); The params struct contains serial numbers for three keys: @@ -843,6 +844,8 @@ The keyctl syscall functions are: public key. If the base is the remote public key, the result is the shared secret. + The reserved argument must be set to NULL. + The buffer length must be at least the length of the prime, or zero. If the buffer length is nonzero, the length of the result is |