FIND_KEY_BY_TYPE_AND_NAME

Section: Linux Key Utility Calls (3)
Updated: 10 Sep 2013
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NAME

find_key_by_type_and_name - find a key by type and name

SYNOPSIS

#include <keyutils.h>

key_serial_t find_key_by_type_and_name(const char *type,
    const char *description, key_serial_t destringid);

DESCRIPTION

find_key_by_type_and_name() searches for a key with the given type and exact description, firstly in the thread, process and session keyrings to which a process is subscribed and secondly in /proc/keys.

If a key is found, and destringid is not 0 and specifies a keyring, then the found key will be linked into it.

RETURN VALUE

The function returns the ID of the key if a key was found or -1 otherwise.

ERRORS

ENOKEY: No key was found or the keyring specified is invalid.
EKEYEXPIRED: The key or keyring have expired.
EKEYREVOKED: The key or keyring have been revoked.
EACCES: The key is not accessible or keyring exists, but is not writable by the calling process.

LINKING

When linking, -lkeyutils should be specified to the linker.