public void encryptUsingPublicKeyAndDoesNotDecryptUsingDifferentPrivateKey()
{
AsymmetricCryptography asymmetricCryptographyOther = new AsymmetricCryptography();
Encryption encryption = new Encryption();
byte[] encryptedText = encryption.encrypt(TEXT, asymmetricCryptography.getPublicKey());
encryption.decryption(encryptedText, asymmetricCryptographyOther.getPrivateKey());
}
public AuthenticationToken(T clientID, DateTime loginDate, DateTime expireDate, string xmlRSAKey)
{
ClientID = clientID;
LoginDate = loginDate;
ExpireDate = expireDate;
if (!string.IsNullOrEmpty(xmlRSAKey))
{
SignedData = AsymmetricCryptography.SignData(MakePayLoad(clientID, loginDate, expireDate), xmlRSAKey);
}
}
private void OptionEncryptRSA_Click(object sender, EventArgs e)
{
AsymmetricCryptography encrypterRSA = new AsymmetricCryptography();
encrypterRSA.GenerateKeys();
string contentToEncrypt = UploadedDocumentClass.GetFileContent();
string encrypted = encrypterRSA.EncryptDocumentRSA(contentToEncrypt);
LoadingScreenForm loadScreen = new LoadingScreenForm(UploadedDocumentClass.GetFileName(), "RSA Encryption");
loadScreen.ShowDialog();
SaveToTxt("helpfile_rsa_encrypted", encrypted);
outputScreen.Text = "Encrypted with RSA: \r\n" + encrypted;
}
private void OptionDecryptRSA_Click(object sender, EventArgs e)
{
try
{
AsymmetricCryptography decrypterRSA = new AsymmetricCryptography();
string contentToDecrypt = UploadedDocumentClass.GetFileContent();
string decrypted = decrypterRSA.DecryptDocumentRSA(contentToDecrypt);
LoadingScreenForm loadScreen = new LoadingScreenForm(UploadedDocumentClass.GetFileName(), "RSA Decryption");
loadScreen.ShowDialog();
SaveToTxt("helpfile_rsa_decrypted", decrypted);
outputScreen.Text = "Decrypted with RSA: \r\n" + decrypted;
}
catch
{
MessageBox.Show("Document is not valid RSA encryption", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void BtnGenerateForAppConfig_Click(object sender, EventArgs e)
{
TxtKey.Text = AsymmetricCryptography.CreateKey()
.Replace("<", "<")
.Replace(">", ">");
}
private void BtnGenerate_Click(object sender, EventArgs e)
{
TxtKey.Text = AsymmetricCryptography.CreateKey();
}
public bool IsValid(string xmlRSAKey, int tokenDuration)
{
string TempSignedData = AsymmetricCryptography.SignData(MakePayLoad(ClientID, LoginDate, ExpireDate), xmlRSAKey);
return((TempSignedData == SignedData) && (LoginDate.AddMinutes(tokenDuration) < ExpireDate));
}
