Top 10 PFS Key Exchange Params:
X25519, 253 bits 531,640
ECDH, P-256, 256 bits 53,658
ECDH, P-384, 384 bits 14,544
ECDH, P-521, 521 bits 5,514
DH, 1024 bits 352
DH, 2048 bits 236
DH, 4096 bits 22
X448, 448 bits 20
DH, 3072 bits 2