public PublicKey PublicKeyFromPrivateKey(PrivateKey privateKey)
{
if (ECPrivKey.TryCreate(privateKey, Context.Instance, out ECPrivKey? ecprvkey))
{
if (ecprvkey != null)
{
ECPubKey ecpubkey = ecprvkey.CreatePubKey();
Span <byte> pub = stackalloc byte[33];
ecpubkey.WriteToSpan(true, pub, out _);
return(new PublicKey(pub.ToArray()));
}
}
return(null);
}
public void WriteToSpan(Span <byte> out66)
{
k1.WriteToSpan(true, out66.Slice(0, 33), out _);
k2.WriteToSpan(true, out66.Slice(33, 33), out _);
}