1KEYCTL_REVOKE(3) Linux Key Management Calls KEYCTL_REVOKE(3)
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6 keyctl_revoke - Revoke a key
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9 #include <keyutils.h>
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11 long keyctl_revoke(key_serial_t key);
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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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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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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29 The key has already been revoked.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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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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39 keyctl(1),
40 add_key(2),
41 keyctl(2),
42 request_key(2),
43 keyctl(3),
44 request-key(8)
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48Linux 4 May 2006 KEYCTL_REVOKE(3)