CryptoAuthLib
Microchip CryptoAuthentication Library
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CryptoAuthLib Basic API methods for AES CBC_MAC mode. More...
#include "atca_basic.h"
Functions | |
ATCA_STATUS | atcab_aes_cmac_init (atca_aes_cmac_ctx_t *ctx, uint16_t key_id, uint8_t key_block) |
Initialize a CMAC calculation using an AES-128 key in the ATECC608A. More... | |
ATCA_STATUS | atcab_aes_cmac_update (atca_aes_cmac_ctx_t *ctx, const uint8_t *data, uint32_t data_size) |
Add data to an initialized CMAC calculation. More... | |
ATCA_STATUS | atcab_aes_cmac_finish (atca_aes_cmac_ctx_t *ctx, uint8_t *cmac, uint32_t cmac_size) |
Finish a CMAC operation returning the CMAC value. More... | |
CryptoAuthLib Basic API methods for AES CBC_MAC mode.
The AES command supports 128-bit AES encryption or decryption of small messages or data packets in ECB mode. Also can perform GFM (Galois Field Multiply) calculation in support of AES-GCM.