/// <summary>
/// 解密按钮点击后
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDecrypt_Click(object sender, EventArgs e)
{
// 如果加密算法初始化失败
if (!myCipherKeys.AllKeysReady)
{
MessageBox.Show("请检查密钥是否符合要求",
"出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
myCipher = new MyCipher(myCipherKeys);
// 判断源文本是否符合要求
if (!isSourceStringOk)
{
MessageBox.Show("待处理文本必须是26个字母",
"出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (!isSourceStringOk || "".Equals(tbSource.Text))
{
MessageBox.Show("待处理文本为空，请输入内容",
"出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (ckbPasteFromClipBoard.Checked)
{
if (!string.Empty.Equals(Clipboard.GetText()))
{
try
{
tbSource.Text = Clipboard.GetText();
}
catch (Exception exp)
{
MessageBox.Show(exp.Message,
"出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
}
try
{
tbTarget.Text = myCipher.Decrypt(tbSource.Text);
}
catch (Exception exc)
{
MessageBox.Show($"解密信息的过程中出错了，错误信息：{exc.Message}",
"出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public void MyCipherTest()
{
int time = 100;
int[] vigenereKey;
int affineKeyA;
int affineKeyB;
int[,] hillMatrix;
for (int i = 0; i < time; i++)
{
GetRandomKeys(out vigenereKey, out affineKeyA, out affineKeyB, out hillMatrix);
var mycipher = new MyCipher(vigenereKey, affineKeyA, affineKeyB, hillMatrix);
var plain = RandomHelper.GetString();
Assert.AreEqual(plain, mycipher.Decrypt(mycipher.Encrypt(plain)));
}
}