Top 10 PFS Key Exchange Params: X25519, 253 bits 441,972 ECDH, P-256, 256 bits 112,974 ECDH, P-384, 384 bits 17,592 ECDH, P-521, 521 bits 3,983 DH, 1024 bits 1,138 DH, 2048 bits 570 DH, 4096 bits 19 X448, 448 bits 10 DH, 3072 bits 2