curve25519_arch
static void curve25519_arch(u8 out[CURVE25519_KEY_SIZE],
static void curve25519_arch(u8 mypublic[CURVE25519_KEY_SIZE],
static void curve25519_arch(u8 mypublic[CURVE25519_KEY_SIZE],
static void curve25519_arch(u8 mypublic[CURVE25519_KEY_SIZE],