SWCU191 February 2022 CC1311P3 , CC1311R3 , CC2651P3 , CC2651R3 , CC2651R3SIPA
This manual makes frequent use of certain terms. These terms refer to structures that the crypto core uses for operations.
External memory: A memory that is externally attached to the crypto core AHB master port, and only accessible using DMAC operations
Slave interface (host processor bus): Interface of the crypto core that the host processor uses to read or write registers of the engine
Tag or digest: Two interchangeable terms that indicate the result of an authentication operation. The term digest is used for regular hash operations, while tag is used for authenticated encryption operations (AES-CCM).
Crypto context: A collection of parameters that define the crypto operation: mode, key, IV, and so forth