projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b886d83c | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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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> | |
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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 */ |
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30 | uint8_t algo; |
| 31 | uint8_t nmpi; | |
| 1fa0949b | 32 | char mpi[]; |
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33 | } __packed; |
| 34 | ||
| 35 | struct signature_hdr { | |
| 36 | uint8_t version; /* signature format version */ | |
| 59cca653 | 37 | uint32_t timestamp; /* signature made */ |
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38 | uint8_t algo; |
| 39 | uint8_t hash; | |
| 40 | uint8_t keyid[8]; | |
| 41 | uint8_t nmpi; | |
| 1fa0949b | 42 | char mpi[]; |
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43 | } __packed; |
| 44 | ||
| 5e8898e9 | 45 | #if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE) |
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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 */ |
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59 | |
| 60 | #endif /* _DIGSIG_H */ |