@mchp-mcc/crypto-authentication-library

CryptoAuthentication Library (CAL)

Overview

The MPLAB® Code Configurator CryptoAuth Library allows quick and easy configuration and code generation for security, cryptography, authentication, and encryption applications on PIC and AVR devices.

Features

• For a comprehensive list of features, refer to the CryptoAuthLib Github Page

Generated Files

This driver generates the following files:

• CAL Initialization Files - Functions and prototypes used to initialize the CryptoAuth chips
  • ./mcc_generated_files/CryptoAuthenticationLibrary/CryptoAuth_init.h
  • ./mcc_generated_files/CryptoAuthenticationLibrary/CryptoAuth_init.c
  • ./mcc_generated_files/CryptoAuthenticationLibrary/cryptoauthlib_config.h
• CAL Framework (atca) - Functions and Prototypes that form the basic operating models of CAL
• CAL Certification (atcacert) - Functions and prototypes used to perform certification I/O with CryptoAuth chips and perform certificate manipulation in memory
• CAL Basic Files (atca_basic)- Functions and Prototypes that provide a simple API to use CryptoAuth chips
• CAL Software Crypto (atca_crypto_sw) - Functions and Prototypes taht provide a software implementation of various crypto algorithms
• CAL Host (atca_host) - Functions and Prototypes to provide host-side cryptographic functionality for an ATECC client device
• CAL JWT (atca_jwt) - Functions and Prototypes to provide methods for signing and verifying JSON Web Token (JWT) tokens
• CAL HAL - Functions and Prototypes to define the hardware abstraction layer (HAL) for communicating with a CryptoAuth device

Changelog

All notable changes to this project will be documented in this file.

[5.2.0] - 2022-09-22

Improvements

• CC8SCRIP-9458 :- Add PIC24/dsPIC support

[5.1.0] - 2022-02-09

New Features

• CC8SCRIP-5434 :- Adding I2C Dependency Selector UI for devices with multiple I2C instances

Bug Fixes

• CC8SCRIP-5436 :- Template updates for I2C Interrupt driver compatibility
• CC8SCRIP-5435 :- Adding CAL Initialize sequence to System Initialize

Improvements

• CC8SCRIP-6449 :- Migrate CAL I2 HAL to use abstracted I2C interface
• CC8SCRIP-3856 :- Switching I2C Host Dependency from I2C Simple to I2C Host Basic

[5.0.3] - 2021-09-24

Bug Fixes

• CC8SCRIP-5201 :- CryptoAuth Library not appearing under Libraries in Device Resources.
• CC8SCRIP-5143 :- Fixing deployment issues