DNP3 Source Code Library

Our ANSI C source code library provides a quick and cost effective way to implement a DNP3 master or outstation.  A .NET component version is also available.  And they're royalty free!

What's New

Current Release: v3.21
Release Date:  Feb 2017

Newest Features in this Release

  • Implemented several improvements to DNP Secure Authentication including all items suggested in TB2016-002, addressing some deficiencies in DNP3-SAv5
  • Added a configurable feature that would allow the user to issue two separate BRM commands, holding off other automatic behavior
  • Added statistic indicating Link Status was received
  • Made improvements to DNP3 Device Profile

Key Additions to Recent Releases

v3.20.00:
   - Implemented several improvements to DNP Secure Authentication including all items suggested in TB2016-002, addressing some deficiencies in DNP3-SAv5
   - Added a configurable feature that would allow the user to issue two separate BRM commands, holding off other automatic behavior
   - Added statistic indicating Link Status was received
   - Made improvements to DNP3 Device Profile

v3.19.00:
   - Added support for Assign Class Function Code for Virtual Terminal object group
   - Added Session Statistic event to indicate a Link Status response is received
   - Added configuration to disable default behavior required on TCP by the DNP specification to disconnect and reconnect when a link status request times out
   - Modified code to allow use of either UNICODE or MBCS character set

 v3.18.00:
   - Updated the DNP3 libraries to include DNP3 Device Profile November 2014 version 2.10
   - Improved the handling of DNP messages with the wrong link address
   - DNP Secure Authentication improvements including a configurable 4-32 byte challenge data object, a new device attribute for the version of Secure Authentication that is supported by the Outstation, corrected session statistics, and improved aggressive mode support
   - Exposed DNP Unsolicited class mask for .NET components (propertyUnsolnitialClassMask)
   - Added multiple new DNP3 device attributes in the default simulated database
   - Improved support of Linux networking layer for UDP
   - Added ability to disable function codes for device specific addresses as described in AN2014-001
   - Implemented DNP device attribute time type described in TB2013-004
   - Updated the code to use C99 standard types for 16 bit and 32 bit types for improved Linux implementations
   - Improved handling of unsolicited messages under special cases
   - Improved support of DNP3 points set to local mode

 v3.17.00:
   - Additional support for DNP3 device profile, including secure authentication, control broadcast configuration, and other fields
   - Added cryptography interface for Secure Authentication V2 (the Library already has this interface for SAv5)
   - Enhanced the tolerance for restart in Master and Outstation with Secure Authentication, including initialization of keys
   - Added compile time choice of using either standard or Microsoft “safe” string functions that include the length of the buffer to be written to (ie strcpy or strcpy_s)
   - Added more checking to discard improperly formatted messages

 v3.16.01 - Corrected an issue where DNP3 transport layer would reject a message 

 v3.16.00:
   - Addressed all items associated with ICS-CERT Advisory (ICSA-13-240-01).
   - Improved input verification
   - Made improvements to DNP3 Secure Authentication interface
   - Enhanced Assign Class functions
   - Added configuration option to disable support for receiving broadcast messages

v3.14 - Enhanced DNP3 SAv5 implementation

v3.07 - Added sample Linux and Windows target implementation

v3.05.01 - Added updates to DNP3 SA approved by DNP3 TC

v3.01.01 - Added ability to keep time on a per-session basis

v3.01.00 - Added support for DNP3 SAv2

v3.00.44 - Updates to Data Sets

v3.00.43 - Added support for Data Sets and Object 0 (Device Description)

v3.00.38 - Added support for Double Bit data types and Self Address Discovery mechanism

v3.00.36 - Added support for File Transfer Event Mode

v3.00.35 - Added memory alignment support

v3.00.32 - Added support for multiple threads


 
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