CryptoAuthLib
Microchip CryptoAuthentication Library
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CryptoAuthLib Basic API methods for DeriveKey command. More...
Functions | |
ATCA_STATUS | atcab_derivekey (uint8_t mode, uint16_t target_key, const uint8_t *mac) |
Executes the DeviveKey command for deriving a new key from a nonce (TempKey) and an existing key. More... | |
CryptoAuthLib Basic API methods for DeriveKey command.
The DeriveKey command combines the current value of a key with the nonce stored in TempKey using SHA-256 and derives a new key.