public void RetrieveContent(
IEnumerable <Uri> contentUris,
Stream outputStream)
{
contentUris.EnsureNotNull(nameof(contentUris));
outputStream.EnsureNotNull(nameof(outputStream));
foreach (var contentUri in contentUris)
{
try
{
var decrypted = AesGcmCrypto.Decrypt(
_uriRepository.RetrieveValue(contentUri),
_key.Value);
outputStream.Write(decrypted);
}
catch (CryptographicException e)
{
throw new ChunkyardException(
$"Could not decrypt content: {contentUri}",
e);
}
}
}
public static void Encrypt_And_Decrypt_Return_Input()
{
var expectedText = "Hello!";
var key = AesGcmCrypto.PasswordToKey(
"secret",
AesGcmCrypto.GenerateSalt(),
AesGcmCrypto.Iterations);
var cipherText = AesGcmCrypto.Encrypt(
AesGcmCrypto.GenerateNonce(),
Encoding.UTF8.GetBytes(expectedText),
key);
var actualText = Encoding.UTF8.GetString(
AesGcmCrypto.Decrypt(cipherText, key));
Assert.Equal(expectedText, actualText);
}