@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.

[5.4.0] - 2023-03-30

New Features

• CC8SCRIP-11605 :- Update to use v2 I2C interface
• CC8SCRIP-10192 :- TA100 SPI Support

Bug Fixes

• CC8SCRIP-13574 :- CAL is locking configuration of devices

[5.3.0] - 2022-12-14

New Features

• CC8SCRIP-9474 :- Add TA100 I2C support

Bug Fixes

• CC8SCRIP-9774 :- I2C wake issue
• CC8SCRIP-9773 :- CAL locks up if device not present

Improvements

• CC8SCRIP-9479 :- Update the firmware version to v3.3.3

[5.2.0] - 2022-09-22

Improvements

• CC8SCRIP-9458 :- Add PIC24/dsPIC support