NID_X25519
{ "X25519", NID_X25519, 253 },
{"X25519", "X25519", NID_X25519, 3, &so[6719]},
#define EVP_PKEY_X25519 NID_X25519
NID_X25519,
case NID_X25519:
NID_X25519, NID_X448
kexch_alg = NID_X25519;
if (is_fips && (kexch_alg == NID_X25519 || kexch_alg == NID_X448))