Top 10 PFS Key Exchange Params:
X25519, 253 bits 548,349
ECDH, P-256, 256 bits 67,099
ECDH, P-384, 384 bits 16,188
ECDH, P-521, 521 bits 6,381
DH, 1024 bits 449
DH, 2048 bits 327
DH, 4096 bits 23
X448, 448 bits 22
DH, 3072 bits 2