SE050B2 datasheet(6/32 Pages) NXP

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NXP Semiconductors

SE050

Plug & Trust Secure Element

3 Functional description

3.1 Functional diagram

aaa-034211

EdgeLock™ SE050 ENABLEMENT

EDGELOCK SE050

API

PLUG AND TRUST MIDDLEWARE

loT APPLET

JAVA CARD OPERATING SYSTEM

HARDWARE

EDGELOCK

2GO AGENT

USE CASE BASED EXAMPLE CODES, pyCLI TOOL

Android, Linux, FreeRTOS, Zephyr

Linux, Windows®, macOS®

PRE-

INTEGRATION

TO MAIN

OS AND

MCU, MPU

Dev Environments:

Arm

mbed

TLS

OpenSSL

PKCS11

Arm

PSA

Crypto

API

Matter

Qi 1.3

Auth.

Android

KeyMaster

TPM-TSS

OPC-UA

Figure 2. SE050 functional diagram

The SE050 uses I2C as communication interface. Section 4 gives more details. The

SE050 commands are wrapped using the Smartcard T=1 over I²C (T=1o I2C) protocol.

The detailed documentation of the SE050 commands (see [3]) and T=1 over I2C protocol

encapsulation is available on [1].

In order to simplify the product usage a host library which abstracts for SE050 commands

and T=1 over I2C protocol encapsulation is provided. The host library supporting various

platforms is available for download including complete source code on the SE050

website.

SE050 IoT applet features a generic file system capable of securely storing secure

objects and associated privilege management. All objects can either be stored in

persistent memory or in RAM with the capability to securely export and import them to be

stored in an externally provided storage. All secure objects feature basic file operations

such as write, read, delete and update.

3.1.1 Random number generator

The SE050 IoT Applet provides random numbers using an AIS20 compliant pseudo

random number generator (PRNG) with class DRG.3 generator initialized by a TRNG

compliant to SP800-90B class PTG.2. The PRNG is implemented according to NIST

SP800-90A.

3.1.2 Supported secure object types

A secure object is an entry in the file system of SE050. Each secure object has certain

features and capabilities. The following secure object types are available (for more

details on the objects refer to [3]):

SE050

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 3.5 — 22 August 2022

504935

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