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keyctl.2: Improve KEYCTL_REJECT description 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-02-10 10:58:07 +01:00
parent 4e23dce354
commit ebf4eb2834
1 changed files with 8 additions and 4 deletions
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12
man2/keyctl.2
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@ -1253,11 +1253,15 @@ program.
See
.BR request_key (2).
Negatively instantiated keys are used to rate limit repeated
The caller must have the appropriate authorization key,
and once the uninstantiated key has been instantiated,
the authorization key is revoked.
In other words, this operation is available only from a
.BR request-key (8)-style
program.
See
.BR request_key (2)
calls by causing them to return the error specified (in
.IR arg4 )
until the negatively instantiated key expires.
for an explanation of uninstantiated keys and key instantiation.
This operation is exposed by
.I libkeyutils