1# OH_CryptoMac 2 3<!--Kit: Crypto Architecture Kit--> 4<!--Subsystem: Security--> 5<!--Owner: @zxz--3--> 6<!--Designer: @lanming--> 7<!--Tester: @PAFT--> 8<!--Adviser: @zengyawen--> 9 10## Overview 11 12Defines a struct for a message authentication code (MAC). 13 14**Since**: 20 15 16**Related Module**: [CryptoMacApi](capi-cryptomacapi.md) 17 18**Header file**: [crypto_mac.h](capi-crypto-mac-h.md) 19