1 /* Copyright (c) (2020) 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 13 #ifndef corecrypto_cc_fault_canary_h 14 #define corecrypto_cc_fault_canary_h 15 16 #include "cc.h" 17 18 #define CC_FAULT_CANARY_SIZE 16 19 typedef uint8_t cc_fault_canary_t[CC_FAULT_CANARY_SIZE]; 20 21 extern const cc_fault_canary_t CCEC_FAULT_CANARY; 22 extern const cc_fault_canary_t CCRSA_PKCS1_FAULT_CANARY; 23 extern const cc_fault_canary_t CCRSA_PSS_FAULT_CANARY; 24 25 #define CC_FAULT_CANARY_MEMCPY(_dst_, _src_) memcpy(_dst_, _src_, CC_FAULT_CANARY_SIZE) 26 #define CC_FAULT_CANARY_CLEAR(_name_) memset(_name_, 0x00, CC_FAULT_CANARY_SIZE) 27 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