Top 10 PFS Key Exchange Params:
X25519, 253 bits 199,843
ECDH, P-256, 256 bits 31,664
ECDH, P-384, 384 bits 4,915
ECDH, P-521, 521 bits 2,501
DH, 1024 bits 233
DH, 2048 bits 187
DH, 4096 bits 8
X448, 448 bits 4