KEX_C25519_SHA256
server2->kex->kex[KEX_C25519_SHA256] = kex_gen_server;
{ KEX_CURVE25519_SHA256, KEX_C25519_SHA256, 0,
{ KEX_CURVE25519_SHA256_OLD, KEX_C25519_SHA256, 0,
case KEX_C25519_SHA256:
case KEX_C25519_SHA256:
case KEX_C25519_SHA256:
kex->kex[KEX_C25519_SHA256] = kex_gen_server;
c->c_ssh->kex->kex[KEX_C25519_SHA256] = kex_gen_client;
ssh->kex->kex[KEX_C25519_SHA256] = kex_gen_server;
ssh->kex->kex[KEX_C25519_SHA256] = kex_gen_client;
ssh->kex->kex[KEX_C25519_SHA256] = kex_gen_client;
kex->kex[KEX_C25519_SHA256] = kex_gen_server;