void Persons_SelectedItemChanged(object selectedItem)
{
StringItemViewModel item = selectedItem as StringItemViewModel;
if (item == null)
{
return;
}
Jobs.Items.Clear();
Jobs.Items.Add(new StringItemViewModel((item.Text.Contains("Ivan") ? "Programmer":"Warrior")));
}
public void EncryptString(StringItemViewModel stringToEncrypt)
{
if (stringToEncrypt.IsEncrypted)
{
IBuffer stringBuffer = CryptographicBuffer.ConvertStringToBinary(stringToEncrypt.Content, BinaryStringEncoding.Utf8);
var encryptedString = CryptographicEngine.EncryptAndAuthenticate(aesKey, stringBuffer, stringToEncrypt.Nonce,
null);
stringToEncrypt.AuthenticationTag = encryptedString.AuthenticationTag;
stringToEncrypt.Content = CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf8, encryptedString.EncryptedData);
stringToEncrypt.IsEncrypted = true;
}
else
{
throw new Exception("Tried to encrypt string with encrypted flag set to true");
}
}
public void DecryptString(StringItemViewModel stringToDecrypt)
{
if (stringToDecrypt.IsEncrypted)
{
var stringBuffer = CryptographicBuffer.ConvertStringToBinary(stringToDecrypt.Content,
BinaryStringEncoding.Utf8);
var decryptedString = CryptographicEngine.DecryptAndAuthenticate(aesKey, stringBuffer,
stringToDecrypt.Nonce,
stringToDecrypt.AuthenticationTag, null);
stringToDecrypt.Content = CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf8,
decryptedString);
stringToDecrypt.IsEncrypted = false;
}
else
{
throw new Exception("Tried to encrypt string with encrypted flag set to false");
}
}