| David Howells | e68503b | 2016-04-06 16:14:24 +0100 | [diff] [blame^] | 1 | /* Signature verification |
| 2 | * |
| 3 | * Copyright (C) 2014 Red Hat, Inc. All Rights Reserved. |
| 4 | * Written by David Howells (dhowells@redhat.com) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public Licence |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the Licence, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _LINUX_VERIFICATION_H |
| 13 | #define _LINUX_VERIFICATION_H |
| 14 | |
| 15 | /* |
| 16 | * The use to which an asymmetric key is being put. |
| 17 | */ |
| 18 | enum key_being_used_for { |
| 19 | VERIFYING_MODULE_SIGNATURE, |
| 20 | VERIFYING_FIRMWARE_SIGNATURE, |
| 21 | VERIFYING_KEXEC_PE_SIGNATURE, |
| 22 | VERIFYING_KEY_SIGNATURE, |
| 23 | VERIFYING_KEY_SELF_SIGNATURE, |
| 24 | VERIFYING_UNSPECIFIED_SIGNATURE, |
| 25 | NR__KEY_BEING_USED_FOR |
| 26 | }; |
| 27 | extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR]; |
| 28 | |
| 29 | #ifdef CONFIG_SYSTEM_DATA_VERIFICATION |
| 30 | |
| 31 | struct key; |
| 32 | |
| 33 | extern int verify_pkcs7_signature(const void *data, size_t len, |
| 34 | const void *raw_pkcs7, size_t pkcs7_len, |
| 35 | struct key *trusted_keys, |
| 36 | int untrusted_error, |
| 37 | enum key_being_used_for usage, |
| 38 | int (*view_content)(void *ctx, |
| 39 | const void *data, size_t len, |
| 40 | size_t asn1hdrlen), |
| 41 | void *ctx); |
| 42 | |
| 43 | #ifdef CONFIG_SIGNED_PE_FILE_VERIFICATION |
| 44 | extern int verify_pefile_signature(const void *pebuf, unsigned pelen, |
| 45 | struct key *trusted_keys, |
| 46 | enum key_being_used_for usage); |
| 47 | #endif |
| 48 | |
| 49 | #endif /* CONFIG_SYSTEM_DATA_VERIFICATION */ |
| 50 | #endif /* _LINUX_VERIFY_PEFILE_H */ |