Top 10 PFS Key Exchange Params: X25519, 253 bits 481,053 ECDH, P-256, 256 bits 92,568 ECDH, P-384, 384 bits 16,307 ECDH, P-521, 521 bits 3,186 DH, 1024 bits 713 DH, 2048 bits 546 DH, 4096 bits 17 X448, 448 bits 8 DH, 3072 bits 3