Top 10 PFS Key Exchange Params: X25519, 253 bits 521,349 ECDH, P-256, 256 bits 85,219 ECDH, P-384, 384 bits 14,018 ECDH, P-521, 521 bits 6,210 DH, 1024 bits 627 DH, 2048 bits 508 DH, 4096 bits 22 X448, 448 bits 18 DH, 3072 bits 2