AES Cipher Modes Using MPLAB Harmony v3 for the SAM E54

PublishTime：2021-10-27

The Advanced Encryption Standard (AES), also known as the Rijndael algorithm, is a symmetric block cipher algorithm that can process data blocks of 128 bits, using a three key lengths of 128, 192, and 256 bits in compliance to the NIST specification (FIPS PUB. 197). The symmetric-key algorithm requires the same key for both encryption and decryption. AES can be used with various modes of operation, designed specifically to use with block cipher algorithms as recommended in the NIST Special Publication 800-38A/B/C/D.
The SAM D5x/E5x family of devices support AES cryptography hardware. This document describes the AES implementation of the following four confidentiality modes of operation in the MPLAB® Harmony v3 framework for SAME54:
● Electronic Code Book (ECB)
● Cipher Block Chaining (CBC)
● Counter (CTR)
● Galois Counter mode (GCM)
MPLAB Harmony v3 uses a Cryptographic library which is built on top of the third party wolfSSL library. The wolfCrypt portion of the wolfSSL library provides an interface for the configuration and management of the AES block for the device.

Brand of Product：	MICROCHIP
Part#：	SAME54 、 SAM D5x family 、 SAM E5x family 、 SAM D5x 、 SAM E5x More Part#
Product Category：	Advanced Encryption Standard 、 AES More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2021/05/19
Version Number：
Data Encoding：	AN3923;DS00003923A-page 1
Data Size：	1.3 MB

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