int wc_DhPubKeyToDer(DhKey* key, byte* out, word32* outSz)
{
    return wc_DhKeyToDer(key, out, outSz, 0);
}
int wc_DhPubKeyToDer(DhKey* key, byte* out, word32* outSz)
{
    return wc_DhKeyToDer(key, out, outSz, 0);
}