public async Task DecryptAndVerifyStreamAsync(Stream inputStream, Stream outputStream, PrivateKey privateKey, PublicKey publicKey, Func <string> passwordFinder)
{
using var pgp = new PGP();
using var publicKeyStream = GetPublicKey(publicKey);
using var privateKeyStream = GetPrivateKey(privateKey);
await pgp.DecryptStreamAndVerifyAsync(inputStream, outputStream, publicKeyStream, privateKeyStream, null);
}