Lines Matching full:key

2 /* Request key authorisation token key definition.
7  * See Documentation/security/keys/request-key.rst
20 static int request_key_auth_instantiate(struct key *,
22 static void request_key_auth_describe(const struct key *, struct seq_file *);
23 static void request_key_auth_revoke(struct key *);
24 static void request_key_auth_destroy(struct key *);
25 static long request_key_auth_read(const struct key *, char *, size_t);
29  * The request-key authorisation key type definition.
53  * Instantiate a request-key authorisation key.
55 static int request_key_auth_instantiate(struct key *key,
58 	rcu_assign_keypointer(key, (struct request_key_auth *)prep->data);
65 static void request_key_auth_describe(const struct key *key,
68 	struct request_key_auth *rka = dereference_key_rcu(key);
73 	seq_puts(m, "key:");
74 	seq_puts(m, key->description);
75 	if (key_is_positive(key))
81  * - the key's semaphore is read-locked
83 static long request_key_auth_read(const struct key *key,
86 	struct request_key_auth *rka = dereference_key_locked(key);
120  * Take a reference to the request-key authorisation payload so callers can
123 struct request_key_auth *request_key_auth_get(struct key *authkey)
156  * Handle revocation of an authorisation token key.
158  * Called with the key sem write-locked.
160 static void request_key_auth_revoke(struct key *key)
162 	struct request_key_auth *rka = dereference_key_locked(key);
164 	kenter("{%d}", key->serial);
167 	rcu_assign_keypointer(key, NULL);
172  * Destroy an instantiation authorisation token key.
174 static void request_key_auth_destroy(struct key *key)
176 	struct request_key_auth *rka = rcu_access_pointer(key->payload.rcu_data0);
178 	kenter("{%d}", key->serial);
180 		rcu_assign_keypointer(key, NULL);
186  * Create an authorisation token for /sbin/request-key or whoever to gain
189 struct key *request_key_auth_new(struct key *target, const char *op,
191 				 struct key *dest_keyring)
195 	struct key *authkey = NULL;
212 	/* see if the calling process is already servicing the key request of
218 		/* if the auth key has been revoked, then the key we're
242 	/* allocate the auth key */
254 	/* construct the auth key */
272  * Search the current process's keyrings for the authorisation key for
273  * instantiation of a key.
275 struct key *key_get_instantiation_authkey(key_serial_t target_id)
288 	struct key *authkey;