Comcores MACsec IP is compliant with the OPEN Alliance Standard

Copenhagen, Denmark, September 18, 2025 -- Comcores, a leading provider of Ethernet IP solutions, has begun delivering its Open Alliance-compliant MACsec IP. This solution offers the smallest footprint on the market, making it highly optimized for size and ideal for low-footprint end-station applications. The release highlights Comcores’ commitment to providing secure, interoperable, and efficient Ethernet solutions tailored for the automotive industry.

The OPEN Alliance is a global industry initiative committed to establishing Ethernet as the universal standard for in-vehicle networks. By complying with this standard, Comcores’ MACsec IP empowers automotive suppliers to develop robust, interoperable Ethernet solutions for safety-critical and high-bandwidth applications. 

Comcores’ MACsec IP is specifically designed for low-footprint end-station applications, which is essential for implementing this technology on advanced high-nanometer nodes. This optimization addresses the industry’s demand for compact, efficient solutions that can be integrated into space-constrained automotive components without compromising performance.

Comcores’ MACsec IP has been designed in alignment with the OPEN Alliance Automotive MACsec Specification. Key features include:

• Highly size optimized for low-footprint applications
• Support for point-to-point MACsec, as defined in IEEE 802.1AE-2018
• Multiple secure channels on both transmit (TX) and receive (RX)
• Use of implicit SCI instead of embedding it in the SecTAG
• Integrity protection without confidentiality
• Intelligent packet forwarding to the uncontrolled port based on MAC DA, Ethertype, and VLAN-Tag

For more information about Comcores’ MACsec IP and other offerings, please visit Comcores MACsec IP or write to sales@comcores.com

About Comcores

Founded in Denmark in 2014, Comcores specializes in the development of advanced Ethernet IP solutions for industrial, automotive, avionics, and data center applications. The company offers a diverse portfolio designed to meet the requirements of secure and time-sensitive communication. Comcores is committed to innovation and excellence, providing customizable, high-performance solutions that address the evolving demands of global markets.

To learn more about Comcores products and solutions, please visit www.comcores.com