Top 10 PFS Key Exchange Params:
X25519, 253 bits 568,914
ECDH, P-256, 256 bits 56,619
ECDH, P-384, 384 bits 16,192
ECDH, P-521, 521 bits 6,259
DH, 1024 bits 367
DH, 2048 bits 276
X448, 448 bits 20
DH, 4096 bits 14
DH, 3072 bits 2