KEYCTL_REVOKE - Online Linux Manual PageSection : 3
Updated : 4 May 2006
Source : Linux
Note : Linux Key Management Calls

NAMEkeyctl_revoke − revoke a key

SYNOPSIS#include <keyutils.h> long keyctl_revoke(key_serial_t key);

DESCRIPTION keyctl_revoke() marks a key as being revoked. After this operation has been performed on a key, attempts to access it will meet with error EKEYREVOKED. The caller must have write permission on a key to be able revoke it.

RETURN VALUEOn success keyctl_revoke() returns 0. On error, the value -1 will be returned and errno will have been set to an appropriate error.

ERRORSENOKEY  The specified key does not exist. EKEYREVOKED  The key has already been revoked. EACCES  The named key exists, but is not writable by the calling process.

LINKINGThis is a library function that can be found in libkeyutils. When linking, −lkeyutils should be specified to the linker.

SEE ALSOkeyctl(1), add_key(2), keyctl(2), request_key(2), keyctl(3), keyrings(7), keyutils(7)
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