projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a9681bf3 DH |
1 | /* Asymmetric public-key algorithm definitions |
| 2 | * | |
| 3 | * See Documentation/crypto/asymmetric-keys.txt | |
| 4 | * | |
| 5 | * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. | |
| 6 | * Written by David Howells (dhowells@redhat.com) | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public Licence | |
| 10 | * as published by the Free Software Foundation; either version | |
| 11 | * 2 of the Licence, or (at your option) any later version. | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef _LINUX_PUBLIC_KEY_H | |
| 15 | #define _LINUX_PUBLIC_KEY_H | |
| 16 | ||
| 99db4435 DH |
17 | /* |
| 18 | * The use to which an asymmetric key is being put. | |
| 19 | */ | |
| 20 | enum key_being_used_for { | |
| 21 | VERIFYING_MODULE_SIGNATURE, | |
| 22 | VERIFYING_FIRMWARE_SIGNATURE, | |
| 23 | VERIFYING_KEXEC_PE_SIGNATURE, | |
| 24 | VERIFYING_KEY_SIGNATURE, | |
| 25 | VERIFYING_KEY_SELF_SIGNATURE, | |
| 26 | VERIFYING_UNSPECIFIED_SIGNATURE, | |
| 27 | NR__KEY_BEING_USED_FOR | |
| 28 | }; | |
| 29 | extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR]; | |
| 30 | ||
| a9681bf3 DH |
31 | /* |
| 32 | * Cryptographic data for the public-key subtype of the asymmetric key type. | |
| 33 | * | |
| 34 | * Note that this may include private part of the key as well as the public | |
| 35 | * part. | |
| 36 | */ | |
| 37 | struct public_key { | |
| db6c43bd TS |
38 | void *key; |
| 39 | u32 keylen; | |
| 4e8ae72a DH |
40 | const char *id_type; |
| 41 | const char *pkey_algo; | |
| a9681bf3 DH |
42 | }; |
| 43 | ||
| 44 | extern void public_key_destroy(void *payload); | |
| 45 | ||
| 46 | /* | |
| 47 | * Public key cryptography signature data | |
| 48 | */ | |
| 49 | struct public_key_signature { | |
| db6c43bd TS |
50 | u8 *s; /* Signature */ |
| 51 | u32 s_size; /* Number of bytes in signature */ | |
| a9681bf3 | 52 | u8 *digest; |
| d846e78e | 53 | u8 digest_size; /* Number of bytes in digest */ |
| 4e8ae72a DH |
54 | const char *pkey_algo; |
| 55 | const char *hash_algo; | |
| a9681bf3 DH |
56 | }; |
| 57 | ||
| db6c43bd | 58 | extern struct asymmetric_key_subtype public_key_subtype; |
| 4ae71c1d DH |
59 | struct key; |
| 60 | extern int verify_signature(const struct key *key, | |
| 61 | const struct public_key_signature *sig); | |
| 62 | ||
| 46963b77 | 63 | struct asymmetric_key_id; |
| 5ce43ad2 | 64 | extern struct key *x509_request_asymmetric_key(struct key *keyring, |
| 4573b64a DH |
65 | const struct asymmetric_key_id *id, |
| 66 | const struct asymmetric_key_id *skid, | |
| f1b731db | 67 | bool partial); |
| 5ce43ad2 | 68 | |
| db6c43bd TS |
69 | int public_key_verify_signature(const struct public_key *pkey, |
| 70 | const struct public_key_signature *sig); | |
| 71 | ||
| a9681bf3 | 72 | #endif /* _LINUX_PUBLIC_KEY_H */ |