xref: /freebsd/sys/contrib/openzfs/include/sys/hkdf.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * CDDL HEADER START
4  *
5  * This file and its contents are supplied under the terms of the
6  * Common Development and Distribution License ("CDDL"), version 1.0.
7  * You may only use this file in accordance with the terms of version
8  * 1.0 of the CDDL.
9  *
10  * A full copy of the text of the CDDL should have accompanied this
11  * source.  A copy of the CDDL is also available via the Internet at
12  * http://www.illumos.org/license/CDDL.
13  *
14  * CDDL HEADER END
15  */
16 
17 /*
18  * Copyright (c) 2017, Datto, Inc. All rights reserved.
19  */
20 
21 #ifndef	_SYS_HKDF_H_
22 #define	_SYS_HKDF_H_
23 
24 #include <sys/types.h>
25 
26 int hkdf_sha512(uint8_t *key_material, uint_t km_len, uint8_t *salt,
27     uint_t salt_len, uint8_t *info, uint_t info_len, uint8_t *output_key,
28     uint_t out_len);
29 
30 #endif	/* _SYS_HKDF_H_ */
31