uapi/linux/keyctl.h

1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
10  * 2 of the License, or (at your option) any later version.
19 #define KEY_SPEC_THREAD_KEYRING		-1	/* - key ID for thread-specific keyring */
20 #define KEY_SPEC_PROCESS_KEYRING	-2	/* - key ID for process-specific keyring */
21 #define KEY_SPEC_SESSION_KEYRING	-3	/* - key ID for session-specific keyring */
22 #define KEY_SPEC_USER_KEYRING		-4	/* - key ID for UID-specific keyring */
23 #define KEY_SPEC_USER_SESSION_KEYRING	-5	/* - key ID for UID-session keyring */
24 #define KEY_SPEC_GROUP_KEYRING		-6	/* - key ID for GID-specific keyring */
25 #define KEY_SPEC_REQKEY_AUTH_KEY	-7	/* - key ID for assumed request_key auth key */
26 #define KEY_SPEC_REQUESTOR_KEYRING	-8	/* - key ID for request_key() dest keyring */
28 /* request-key default keyrings */
29 #define KEY_REQKEY_DEFL_NO_CHANGE		-1
32 #define KEY_REQKEY_DEFL_PROCESS_KEYRING		2
42 #define KEYCTL_UPDATE			2	/* update a key */
43 #define KEYCTL_REVOKE			3	/* revoke a key */
44 #define KEYCTL_CHOWN			4	/* set ownership of a key */
45 #define KEYCTL_SETPERM			5	/* set perms on a key */
46 #define KEYCTL_DESCRIBE			6	/* describe a key */
48 #define KEYCTL_LINK			8	/* link a key into a keyring */
49 #define KEYCTL_UNLINK			9	/* unlink a key from a keyring */
50 #define KEYCTL_SEARCH			10	/* search for a key in a keyring */
51 #define KEYCTL_READ			11	/* read a key or keyring's contents */
52 #define KEYCTL_INSTANTIATE		12	/* instantiate a partially constructed key */
53 #define KEYCTL_NEGATE			13	/* negate a partially constructed key */
54 #define KEYCTL_SET_REQKEY_KEYRING	14	/* set default request-key keyring */
55 #define KEYCTL_SET_TIMEOUT		15	/* set key timeout */
57 #define KEYCTL_GET_SECURITY		17	/* get key security label */
59 #define KEYCTL_REJECT			19	/* reject a partially constructed key */
60 #define KEYCTL_INSTANTIATE_IOV		20	/* instantiate a partially constructed key */
61 #define KEYCTL_INVALIDATE		21	/* invalidate a key */
63 #define KEYCTL_DH_COMPUTE		23	/* Compute Diffie-Hellman values */
64 #define KEYCTL_PKEY_QUERY		24	/* Query public key parameters */
65 #define KEYCTL_PKEY_ENCRYPT		25	/* Encrypt a blob using a public key */
66 #define KEYCTL_PKEY_DECRYPT		26	/* Decrypt a blob using a public key */
67 #define KEYCTL_PKEY_SIGN		27	/* Create a public key signature */
68 #define KEYCTL_PKEY_VERIFY		28	/* Verify a public key signature */
72 #define KEYCTL_WATCH_KEY		32	/* Watch a key or ring of keys for changes */
100 	__u32		key_size;	/* Size of the key in bits */
109 	__s32		key_id;		/* Serial no. of public key to use */
113 		__u32		in2_len;	/* 2nd input data size (verify) */
118 #define KEYCTL_MOVE_EXCL	0x00000001 /* Do not displace from the to-keyring */
121  * Capabilities flags.  The capabilities list is an array of 8-bit integers;
126 #define KEYCTL_CAPS0_DIFFIE_HELLMAN	0x04 /* Diffie-Hellman computation enabled */
127 #define KEYCTL_CAPS0_PUBLIC_KEY		0x08 /* Public key ops enabled */
128 #define KEYCTL_CAPS0_BIG_KEY		0x10 /* big_key-type enabled */
132 #define KEYCTL_CAPS1_NS_KEYRING_NAME	0x01 /* Keyring names are per-user_namespace */
133 #define KEYCTL_CAPS1_NS_KEY_TAG		0x02 /* Key indexing can include a namespace tag */