Datasheet

NXP Semiconductors

A71CH

How to start development with A71CH

AN12121

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

Application note

COMPANY PUBLIC

Rev. 1.0 — 22 February 2018

458510

10 of 17

A71CH Host software support documentation (Doxygen).

The A71CH Host software support documentation is an HTML-based guide that

describes in detail all the items included in the A71CH Host software package.

It includes:

• The A71CH Host software API description.

• The A71CH Configuration tool command line options.

• The instructions to run the A71CH API usage and OpenSSL engine examples.

• The instructions to use the RJCT server.

A71CH Host software API source code

The A71CH Host software API source code are the files written in C language exposing

the A71CH interface to a host microcontroller.

A71CH Configure tool.

The A71CH Configure Tool is a command line tool that supports the insertion of

credentials into the A71CH. The command line syntax is documented as part of the

A71CH Host software support documentation.

The source code of the A71CH Configure tool is part of the A71CH Host software

package.

A71CH API usage examples

The A71CH API usage examples are pieces of code demonstrating the A71CH Host

interface API. These examples demonstrate how to make direct calls to A71CH API for

the storage of symmetric keys, the storage of asymmetric keys, for signature generation

and verification, for secure channel establishment with the host MCU, share secret key

calculation for key agreement (ECDH), and more.

A71CH OpenSSL Engine examples

The A71CH OpenSSL Engine examples are a set of scripts, which illustrate how to use

the standard OpenSSL tools in combination with the A71CH OpenSSL engine to:

• Fetch random numbers from A71CH.

• Create a certificate signing request (CSR) with the private key stored in A71CH.

• Sign a message with a private key stored in A71CH.

• Verify a message with a public key stored in A71CH.

• Set-up a TLS demo for a mutually authenticated and encrypted link between a client

and a server system.

Remote JC Terminal server

The RJCT server is a standalone process that can establish a communication session

with a secure element on behalf of a client process. The source code of the RJCT server

and the communication module to build clients is included in the A71CH Host software

package. The RJCT has the same interface as the NXP CardServer application. The