I want XAES-256-GCM/11

from blog Filippo Valsorda, | ↗ original
I want the extended-nonce 256-bit reduced-rounds XAES-256-GCM/11 AEAD. It has infinitely randomizable nonces, a comfortable margin of multi-user security, and nearly the same performance as AES-128-GCM. Only issue is that it doesn’t exist.