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b886d83c | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
051dbb91 DK |
2 | /* |
3 | * Copyright (C) 2011 Nokia Corporation | |
4 | * Copyright (C) 2011 Intel Corporation | |
5 | * | |
6 | * Author: | |
7 | * Dmitry Kasatkin <dmitry.kasatkin@nokia.com> | |
8 | * <dmitry.kasatkin@intel.com> | |
051dbb91 DK |
9 | */ |
10 | ||
11 | #ifndef _DIGSIG_H | |
12 | #define _DIGSIG_H | |
13 | ||
14 | #include <linux/key.h> | |
15 | ||
16 | enum pubkey_algo { | |
17 | PUBKEY_ALGO_RSA, | |
18 | PUBKEY_ALGO_MAX, | |
19 | }; | |
20 | ||
21 | enum digest_algo { | |
22 | DIGEST_ALGO_SHA1, | |
23 | DIGEST_ALGO_SHA256, | |
24 | DIGEST_ALGO_MAX | |
25 | }; | |
26 | ||
27 | struct pubkey_hdr { | |
28 | uint8_t version; /* key format version */ | |
59cca653 | 29 | uint32_t timestamp; /* key made, always 0 for now */ |
051dbb91 DK |
30 | uint8_t algo; |
31 | uint8_t nmpi; | |
32 | char mpi[0]; | |
33 | } __packed; | |
34 | ||
35 | struct signature_hdr { | |
36 | uint8_t version; /* signature format version */ | |
59cca653 | 37 | uint32_t timestamp; /* signature made */ |
051dbb91 DK |
38 | uint8_t algo; |
39 | uint8_t hash; | |
40 | uint8_t keyid[8]; | |
41 | uint8_t nmpi; | |
42 | char mpi[0]; | |
43 | } __packed; | |
44 | ||
5e8898e9 | 45 | #if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE) |
051dbb91 DK |
46 | |
47 | int digsig_verify(struct key *keyring, const char *sig, int siglen, | |
48 | const char *digest, int digestlen); | |
49 | ||
50 | #else | |
51 | ||
52 | static inline int digsig_verify(struct key *keyring, const char *sig, | |
53 | int siglen, const char *digest, int digestlen) | |
54 | { | |
55 | return -EOPNOTSUPP; | |
56 | } | |
57 | ||
5e8898e9 | 58 | #endif /* CONFIG_SIGNATURE */ |
051dbb91 DK |
59 | |
60 | #endif /* _DIGSIG_H */ |