1 | /* Copyright (c) (2019-2023) Apple Inc. All rights reserved. |
2 | * |
3 | * corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which |
4 | * is contained in the License.txt file distributed with corecrypto) and only to |
5 | * people who accept that license. IMPORTANT: Any license rights granted to you by |
6 | * Apple Inc. (if any) are limited to internal use within your organization only on |
7 | * devices and computers you own or control, for the sole purpose of verifying the |
8 | * security characteristics and correct functioning of the Apple Software. You may |
9 | * not, directly or indirectly, redistribute the Apple Software or any portions thereof. |
10 | */ |
11 | |
12 | #ifndef _CORECRYPTO_CC_FAULT_CANARY_H_ |
13 | #define _CORECRYPTO_CC_FAULT_CANARY_H_ |
14 | |
15 | #include "cc.h" |
16 | |
17 | CC_PTRCHECK_CAPABLE_HEADER() |
18 | |
19 | #define CC_FAULT_CANARY_SIZE 16 |
20 | typedef uint8_t cc_fault_canary_t[CC_FAULT_CANARY_SIZE]; |
21 | |
22 | extern const cc_fault_canary_t CCEC_FAULT_CANARY; |
23 | extern const cc_fault_canary_t CCRSA_PKCS1_FAULT_CANARY; |
24 | extern const cc_fault_canary_t CCRSA_PSS_FAULT_CANARY; |
25 | |
26 | #define CC_FAULT_CANARY_MEMCPY(_dst_, _src_) cc_memcpy(_dst_, _src_, CC_FAULT_CANARY_SIZE) |
27 | #define CC_FAULT_CANARY_CLEAR(_name_) cc_memset(_name_, 0x00, CC_FAULT_CANARY_SIZE) |
28 | #define CC_FAULT_CANARY_EQUAL(_a_, _b_) (cc_cmp_safe(CC_FAULT_CANARY_SIZE, _a_, _b_) == 0) |
29 | |
30 | #endif // _CORECRYPTO_CC_FAULT_CANARY_H_ |
31 | |