private void btnAesDecrypt_Click(object sender, EventArgs e)
{
byte[] ciphertext = Util.GetBytes(tbAesCipherText.Text);
byte[] key = Util.GetBytes(tbAesKey.Text);
byte[] iv = Util.GetBytes(tbAesIV.Text);
byte[] plaintext = AesStatic.Decrypt(ciphertext, key, iv);
if (EncodingUTF8Rb.Checked)
{
tbAesPlainText.Text = Encoding.UTF8.GetString(plaintext);
}
else
{
tbAesPlainText.Text = Util.ToHexString(plaintext);
}
tbAesCipherText.Text = "";
}
public void TestAes()
{
byte[] key = AesStatic.GenerateKey();
Assert.IsNotNull(key);
byte[] iv = AesStatic.GenerateIV();
Assert.IsNotNull(iv);
Random random = new Random();
byte[] plaintext = new byte[45674];
random.NextBytes(plaintext);
byte[] ciphertext = AesStatic.Encrypt(plaintext, key, iv);
Assert.IsNotNull(ciphertext);
Assert.AreEqual(ciphertext.Length, Util.GetTotalSize(plaintext.Length, 16));
byte[] decrypted = AesStatic.Decrypt(ciphertext, key, iv);
Assert.IsNotNull(decrypted);
CollectionAssert.AreEqual(plaintext, decrypted);
}
