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wolfSSL
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Description

Example applications using the wolfSSL lightweight SSL/TLS library

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wolfSSL Example Applications

This repository contains example applications, written in C, which demonstrate how to use the wolfSSL lightweight SSL/TLS library for secure communication.

Each directory represents a unique topic (SSL/TLS, DTLS, PSK, etc.) and contains a Makefile as well as a simple tutorial on the given topic.

Current Examples

android (Android NDK Examples)

This directory contains examples that demonstrate using wolfSSL and wolfSSLJNI on the Android platform, using the Android NDK toolchain.

Please see the android/README.md for further usage and details.

BTLE

This directory contains examples for securing a Bluetooth Low Energy Link (BTLE). BTLE packets are small and throughput is low, so these examples demonstrate a way to exchange data securely without BTLE pairing.

Please see the btle/README.md for further usage and details.

certfields (X509 field extraction)

This directory contains an example that demonstrate using wolfSSL to read a DER encoded certificate and extract the public key and subject name information.

Please see the certfields/README.md for further usage and details.

certgen (wolfSSL Certificate Generation)

This directory contains examples that demonstrate using wolfSSL to generate and sign certificates.

Please see the certgen/README.md for further usage and details.

certmanager (wolfSSL CertManager)

This directory contains examples that demonstrate using CertManager (Certificate Manager) functionality.

Please see the certmanager/README.md for further usage and details.

crypto (wolfCrypt Examples)

This directory contains examples that demonstrate using the wolfCrypt functionality to encrypt files with different algorithms (aes, 3des, etc.)

Please see the crypto/README.md for further usage and details.

custom-io-callbacks (wolfSSL Custom IO Callbacks)

This directory contains examples that demonstrate how the custom IO callbacks can be used to 4 facilitate a TLS connection using any medium.

Please see the custom-io-callbacks/README.md for further usage and details.

DTLS (Datagram TLS)

This directory contains examples of using DTLS, with client and server examples demonstrating UDP, DTLS, non-blocking, session resumption, and multi-threading.

When compiling wolfSSL for use with these examples, wolfSSL will need to be compiled with DTLS support:

cd wolfssl-[version]
./configure --enable-dtls

Examples in this directory may be compiled using:

cd ./dtls
make

Please see the dtls/README.md for further usage and details.

ecc (Elliptic Curve Cryptography)

This directory contains examples that demonstrate the various use-cases of wolfcrypt ECC.

Please see the ecc/README.md for further usage and details.

embedded (Embedded Systems)

This directory contains examples that demonstrate TLS client/servers communicating through buffers and using sockets.

Please see the embedded/README.md for further usage and details.

hash (wolfCrypt Hash Examples)

This directory contains examples that demonstrate how to hash an input file using wolfCrypt.

Please see the hash/README.md for further usage and details.

java (wolfJSSE Examples)

This directory contains examples that demonstrate HTTPS URL use with wolfJSSE and example keystores.

Please see the java/README.md for further usage and details.

mynewt (Apache Mynewt Examples)

This directory contains examples that demonstrate using wolfSSL with Apache Mynewt OS.

Please see the mynewt/README.md for further usage and details.

picotcp (picoTCP Examples)

This directory contains a TLS server created by using picoTCP via wolfSSL custom callbacks.

Please see the picotcp/README.md for further usage and details.

picotcp (picoTCP Examples)

This directory contains a TLS server created by using picoTCP via wolfSSL custom callbacks.

Please see the picotcp/README.md for further usage and details.

pk (Public-Key)

This directory contains examples that demonstrate various wolfCrypt public-key functionality (storing and loading keys after generation, extracting public key from private key, etc.).

Please see the pk/README.md for further usage and details.

pkcs11 (PKCS #11)

This directory contains examples of using wolfSSL's PKCS #11 feature and a TLS server example using a PKCS 11 based key.

Please see the pkcs11/README.md for further usage and details.

pkcs7 (PKCS #7)

This directory contains example applications that demonstrate usage of the wolfCrypt PKCS#7/CMS API, included in the [wolfSSL embedded SSL/TLS library].

It includes examples of several different content types (EncryptedData, SignedData, EnvelopedData, CompressedData), and demonstrates both signing/encrypting and verifying/decrypting operations.

Please see the pkcs7/README.md for further usage and details.

PSK (Pre-Shared Keys)

This directory contains examples of using PSK, with client and server examples demonstrating TCP/IP, PSK, non-blocking, session resumption, and multi-threading.

When compiling wolfSSL for use with these examples, wolfSSL will need to be compiled with PSK support:

cd wolfssl-[version]
./configure --enable-psk

Examples in this directory may be compiled using:

cd ./psk
make

Please see the psk/README.md for further usage and details.

riot-os-posix-lwip (RIOT-OS)

This directory contains examples that demonstrate how to use wolfSSL TLS sockets over RIOT-OS POSIX sockets.

Please see the riot-os-posix-lwip/README.md for further usage and details.

RT1060 (i.MX RT1060-EVK)

This directory contains a wolfCrypt benchmark test application for i.MX RT1060-EVK.

Please see the RT1060/README.md for further usage and details.

SGX_Linux (Linux Enclave)

This directory contains an example application, written in C, which demonstrates how to link the wolfSSL lightweight SSL/TLS library with a simple Enclave using Linux. The example has been tested with Ubuntu 16.04.

Please see the SGX_Linux/README.md for further usage and details.

SGX_Windows (Windows Enclave)

This directory contains an example application, written in C++, which demonstrates how to link the wolfSSL lightweight SSL/TLS library with a simple Enclave using Windows.

Please see the SGX_Windows/README.md for further usage and details.

signature (Sign and Verify Examples)

This directory contains examples that demonstrate using wolfSSL to sign and verify binary data (supports RSA and ECC for signing and MD2, MD4, MD5, SHA, SHA224, SHA256, SHA384 and SHA512).

Please see the signature/README.md for further usage and details.

tirtosccsexamples (TI-RTOS)

This directory contains a client/server examples that demonstrates using wolfSSL in a TI-RTOS ecosystem.

Please see the tirtosccsexamples/README.md for further usage and details.

TLS

This directory contains examples of using SSL/TLS, with client and server examples demonstrating TCP/IP, SSL/TLS, non-blocking, session resumption, and multi-threading.

Examples in this directory may be compiled using:

cd ./tls
make

Please see the tls/README.md for further usage and details.

utasker (uTasker wolfSSL Example Tasks)

This directory contains example uTasker client and server tasks that demonstrate using wolfSSL with the uTasker stack. These have been tested on the uTasker Simulator.

Please see the utasker/README.md for further usage and details.

Notes

When necessary, examples will use the example certificates and keys located in the ./certs directory. These certificates and keys have been pulled in from the main wolfSSL repository.

Support

Please contact wolfSSL at [email protected] with any questions, bug fixes, or suggested feature additions.

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