Cypherbridge Systems LLC

Categories: Security

Suite of web security and communication tools that adds a uSSL server and client, dHTTPS web server, uMQTT IoT cloud protocols, and uSMTP email client.


Enables secure web connectivity with the SDKPac™ bundle that is integrated with the ThreadX® RTOS and NetX™ TCP/IP stack and includes:

  • uSSL/TLS 1.2 server and client, secure sockets thin BSD API
  • dHTTPS WebServer ROM file system, forms, cookies, SSI, CGI, CSS, file transfer
  • uSSH server, client, SFTP, SCP, secure shell and SFTP file transfer with Putty, Filezilla, WinSCP
  • IoT Device Client, TLS secure uMQTT 3.1 to IoT cloud service
  • uSMTP SMTP client including STARTTLS and implicit TLS, MIME binary file and telemetry attachment
  • uRADIUS client authentication & access authorization with managed credentials server
  • Synergy Platform Kit: Network, debug port, MAC edit, NV config, system monitor and event handlers
  • uCrypt library integrated with Synergy SCE crypto engine
  • Supported on IAR EWSYN and e2studio toolchains


Ideal for applications that require secure communications, such as smart metering, cloud gateway, telemetry, smart appliance, and industrial control applications.


Run the SDKPac™ demo on the Synergy PK-S5D9 Promotion Kit to output debug and status messages, and to confirm operation.


IAR Diagram

Copyright Disclaimer

SDKPac, uSSL, uMQTT, dHTTP, uSMTP are Trademark and Copyright © Cypherbridge Systems ® 2013-2016 All Rights Reserved.



Version 00.04.A3

Current Public Release

Release Date: 2017-11-09

MCUs Supported: S7G2, S5D9, S5D5, S5D3

MD5: e9eb1fa8e7834b1233f55a831f85e8ae


What's New?

Updated for SDKPac 00.04.A3 migrated to e2studio with SSP 1.3.0 and GUIX 5.3..3.7

Installation Instructions

Refer to SDKPac Demo Kit User Guide.