private void btnRun_Click(object sender, EventArgs e)
{
if (!txtAddress.Visible)
{
MessageBox.Show("Please input a file to process encrypt/decrypt!", "No input file error!");
return;
}
else if (!fileResult.Visible)
{
MessageBox.Show("Please input a key file to process encrypt/decrypt!", "No key file error!");
return;
}
else if (Path.GetExtension(fileResult.Text.ToString()) != ".xml")
{
//MessageBox.Show(Path.GetExtension(fileResult.Text.ToString()));
MessageBox.Show("Wrong key extension!", "Extension error!");
return;
}
else if (typeCryp == "")
{
MessageBox.Show("Please choose encrypt/decrypt mode to process", "Mode error!");
return;
}
if (typeCryp == btnEncrypt.Text)
{
RSAEncrypt(fileResult.Text, txtAddress.Text);
}
else
{
RSADecrypt(fileResult.Text, txtAddress.Text);
}
ResultForm.ShowGenDialog(time, @"D:\UnitTest\RSA\");
}
static string DecryptStringFromBytes_Aes(byte[] cipherText, byte[] Key, byte[] IV)
{
// Check arguments.
if (cipherText == null || cipherText.Length <= 0)
{
throw new ArgumentNullException("cipherText");
}
if (Key == null || Key.Length <= 0)
{
throw new ArgumentNullException("Key");
}
if (IV == null || IV.Length <= 0)
{
throw new ArgumentNullException("IV");
}
// Declare the string used to hold
// the decrypted text.
string plaintext = null;
// Create an Aes object
// with the specified key and IV.
using (Aes aesAlg = Aes.Create())
{
aesAlg.Key = Key;
aesAlg.IV = IV;
// Create a decryptor to perform the stream transform.
ICryptoTransform decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
// Create the streams used for decryption.
using (MemoryStream msDecrypt = new MemoryStream(cipherText))
{
using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srDecrypt = new StreamReader(csDecrypt))
{
// Read the decrypted bytes from the decrypting stream
// and place them in a string.
plaintext = srDecrypt.ReadToEnd();
}
}
}
}
ResultForm.ShowGenDialog(time, @"D:\UnitTest\DES\");
}