Commit | Line | Data |
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daeba064 VG |
1 | /* |
2 | * Copyright (C) 2014 Red Hat Inc. | |
3 | * | |
4 | * Author: Vivek Goyal <vgoyal@redhat.com> | |
5 | * | |
6 | * This source code is licensed under the GNU General Public License, | |
7 | * Version 2. See the file COPYING for more details. | |
8 | */ | |
9 | ||
10 | #ifndef SHA256_H | |
11 | #define SHA256_H | |
12 | ||
daeba064 VG |
13 | #include <linux/types.h> |
14 | #include <crypto/sha.h> | |
15 | ||
df6f2801 PR |
16 | /* |
17 | * Stand-alone implementation of the SHA256 algorithm. It is designed to | |
18 | * have as little dependencies as possible so it can be used in the | |
19 | * kexec_file purgatory. In other cases you should use the implementation in | |
20 | * crypto/. | |
21 | * | |
22 | * For details see lib/sha256.c | |
23 | */ | |
24 | ||
daeba064 VG |
25 | extern int sha256_init(struct sha256_state *sctx); |
26 | extern int sha256_update(struct sha256_state *sctx, const u8 *input, | |
df6f2801 | 27 | unsigned int length); |
daeba064 VG |
28 | extern int sha256_final(struct sha256_state *sctx, u8 *hash); |
29 | ||
30 | #endif /* SHA256_H */ |