RFC 8784

Cisco Systems Inc. has added ML-DSA signatures for IKEv2 in IOS XE 26.2, enabling quantum-safe site-to-site IPsec tunnels on the Cisco 8000 Series Secure Router (C8235-G2). The update, verified on har…

RFC 8784 defines a Postquantum Preshared Key (PPK) method that mixes a static, out-of-band preshared key into the IKE key schedule to defeat 'harvest now, decrypt later' attacks without requiring new …