1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  * if_alg: User-space algorithm interface
4  *
5  * Copyright (c) 2010 Herbert Xu <herbert@gondor.apana.org.au>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  */
13 
14 #ifndef _LINUX_IF_ALG_H
15 #define _LINUX_IF_ALG_H
16 
17 #include <linux/types.h>
18 
19 struct sockaddr_alg {
20 	__u16	salg_family;
21 	__u8	salg_type[14];
22 	__u32	salg_feat;
23 	__u32	salg_mask;
24 	__u8	salg_name[64];
25 };
26 
27 struct af_alg_iv {
28 	__u32	ivlen;
29 	__u8	iv[0];
30 };
31 
32 /* Socket options */
33 #define ALG_SET_KEY			1
34 #define ALG_SET_IV			2
35 #define ALG_SET_OP			3
36 #define ALG_SET_AEAD_ASSOCLEN		4
37 #define ALG_SET_AEAD_AUTHSIZE		5
38 
39 /* Operations */
40 #define ALG_OP_DECRYPT			0
41 #define ALG_OP_ENCRYPT			1
42 
43 #endif	/* _LINUX_IF_ALG_H */
44