1KEYCTL_REVOKE(3)          Linux Key Management Calls          KEYCTL_REVOKE(3)
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NAME

6       keyctl_revoke - revoke a key
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SYNOPSIS

9       #include <keyutils.h>
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11       long keyctl_revoke(key_serial_t key);
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DESCRIPTION

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

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

26       ENOKEY The specified key does not exist.
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28       EKEYREVOKED
29              The key has already been revoked.
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31       EACCES The  named  key  exists,  but  is  not  writable  by the calling
32              process.
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LINKING

35       This is a library function that can  be  found  in  libkeyutils.   When
36       linking, -lkeyutils should be specified to the linker.
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SEE ALSO

39       keyctl(1), add_key(2), keyctl(2), request_key(2), keyctl(3),
40       keyrings(7), keyutils(7)
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44Linux                             4 May 2006                  KEYCTL_REVOKE(3)
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