1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * Copyright (C) 2011 Nokia Corporation 3 * Copyright (C) 2011 Nokia Corporation
4 * Copyright (C) 2011 Intel Corporation 4 * Copyright (C) 2011 Intel Corporation
5 * 5 *
6 * Author: 6 * Author:
7 * Dmitry Kasatkin <dmitry.kasatkin@nokia.com> 7 * Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
8 * <dmitry.kasatkin@intel.com> 8 * <dmitry.kasatkin@intel.com>
9 */ 9 */
10 10
11 #ifndef _DIGSIG_H 11 #ifndef _DIGSIG_H
12 #define _DIGSIG_H 12 #define _DIGSIG_H
13 13
14 #include <linux/key.h> 14 #include <linux/key.h>
15 15
16 enum pubkey_algo { 16 enum pubkey_algo {
17 PUBKEY_ALGO_RSA, 17 PUBKEY_ALGO_RSA,
18 PUBKEY_ALGO_MAX, 18 PUBKEY_ALGO_MAX,
19 }; 19 };
20 20
21 enum digest_algo { 21 enum digest_algo {
22 DIGEST_ALGO_SHA1, 22 DIGEST_ALGO_SHA1,
23 DIGEST_ALGO_SHA256, 23 DIGEST_ALGO_SHA256,
24 DIGEST_ALGO_MAX 24 DIGEST_ALGO_MAX
25 }; 25 };
26 26
27 struct pubkey_hdr { 27 struct pubkey_hdr {
28 uint8_t version; /* key 28 uint8_t version; /* key format version */
29 uint32_t timestamp; /* key 29 uint32_t timestamp; /* key made, always 0 for now */
30 uint8_t algo; 30 uint8_t algo;
31 uint8_t nmpi; 31 uint8_t nmpi;
32 char mpi[]; 32 char mpi[];
33 } __packed; 33 } __packed;
34 34
35 struct signature_hdr { 35 struct signature_hdr {
36 uint8_t version; /* sig 36 uint8_t version; /* signature format version */
37 uint32_t timestamp; /* sig 37 uint32_t timestamp; /* signature made */
38 uint8_t algo; 38 uint8_t algo;
39 uint8_t hash; 39 uint8_t hash;
40 uint8_t keyid[8]; 40 uint8_t keyid[8];
41 uint8_t nmpi; 41 uint8_t nmpi;
42 char mpi[]; 42 char mpi[];
43 } __packed; 43 } __packed;
44 44
45 #if defined(CONFIG_SIGNATURE) || defined(CONFI 45 #if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE)
46 46
47 int digsig_verify(struct key *keyring, const c 47 int digsig_verify(struct key *keyring, const char *sig, int siglen,
48 const 48 const char *digest, int digestlen);
49 49
50 #else 50 #else
51 51
52 static inline int digsig_verify(struct key *ke 52 static inline int digsig_verify(struct key *keyring, const char *sig,
53 int siglen, co 53 int siglen, const char *digest, int digestlen)
54 { 54 {
55 return -EOPNOTSUPP; 55 return -EOPNOTSUPP;
56 } 56 }
57 57
58 #endif /* CONFIG_SIGNATURE */ 58 #endif /* CONFIG_SIGNATURE */
59 59
60 #endif /* _DIGSIG_H */ 60 #endif /* _DIGSIG_H */
61 61
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