public void EncryptionInputFileNotFoundTestAsync()
{
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.ThrowsAsync<FileNotFoundException>(
async () => await Cryptor.EncryptFileWithStreamAsync(testKeyPair, "badfile"));
}