Top 10 PFS Key Exchange Params:
X25519, 253 bits 378,571
ECDH, P-256, 256 bits 139,311
ECDH, P-384, 384 bits 20,262
ECDH, P-521, 521 bits 4,481
DH, 1024 bits 1,861
DH, 2048 bits 577
X448, 448 bits 13
DH, 4096 bits 10
DH, 3072 bits 2