Darren Krahn | 147b08d | 2016-12-20 16:38:29 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person |
| 5 | * obtaining a copy of this software and associated documentation |
| 6 | * files (the "Software"), to deal in the Software without |
| 7 | * restriction, including without limitation the rights to use, copy, |
| 8 | * modify, merge, publish, distribute, sublicense, and/or sell copies |
| 9 | * of the Software, and to permit persons to whom the Software is |
| 10 | * furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be |
| 13 | * included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 19 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 20 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 21 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #if !defined(AVB_INSIDE_LIBAVB_ATX_H) && !defined(AVB_COMPILATION) |
| 26 | #error \ |
| 27 | "Never include this file directly, include libavb_atx/libavb_atx.h instead." |
| 28 | #endif |
| 29 | |
| 30 | #ifndef AVB_ATX_OPS_H_ |
| 31 | #define AVB_ATX_OPS_H_ |
| 32 | |
| 33 | #include <libavb/libavb.h> |
| 34 | |
| 35 | #include "libavb_atx/avb_atx_types.h" |
| 36 | |
| 37 | #ifdef __cplusplus |
| 38 | extern "C" { |
| 39 | #endif |
| 40 | |
| 41 | struct AvbAtxOps; |
| 42 | typedef struct AvbAtxOps AvbAtxOps; |
| 43 | |
| 44 | /* An extension to AvbOps required by avb_atx_validate_vbmeta_public_key(). */ |
| 45 | struct AvbAtxOps { |
| 46 | /* Operations from libavb. */ |
| 47 | AvbOps* ops; |
| 48 | |
| 49 | /* Reads permanent |attributes| data. There are no restrictions on where this |
| 50 | * data is stored. On success, returns AVB_IO_RESULT_OK and populates |
| 51 | * |attributes|. |
| 52 | */ |
| 53 | AvbIOResult (*read_permanent_attributes)( |
| 54 | AvbAtxOps* atx_ops, AvbAtxPermanentAttributes* attributes); |
| 55 | |
| 56 | /* Reads a |hash| of permanent attributes. This hash MUST be retrieved from a |
| 57 | * permanently read-only location (e.g. fuses) when a device is LOCKED. On |
| 58 | * success, returned AVB_IO_RESULT_OK and populates |hash|. |
| 59 | */ |
| 60 | AvbIOResult (*read_permanent_attributes_hash)( |
| 61 | AvbAtxOps* atx_ops, uint8_t hash[AVB_SHA256_DIGEST_SIZE]); |
| 62 | }; |
| 63 | |
| 64 | #ifdef __cplusplus |
| 65 | } |
| 66 | #endif |
| 67 | |
| 68 | #endif /* AVB_ATX_OPS_H_ */ |