100 Gbit/s AES-GCM OTNsec FlexOsec Product Brief - This product brief describes the 100 Gbit/s AES-GCM IP Core for OTNsec and FlexOsec, a high-performance encryption solution designed for secure optical transport networking. Optimized for Agilex® 5 and Agilex® 7 FPGAs and SoCs, the core supports AES-256/128 counter mode encryption and GMAC authentication to deliver high-speed data confidentiality, integrity, and low-latency secure transmission for OTN and FlexO applications.