} //Boolean TestOxCurrent()
private void jiami_Click(object sender, EventArgs e)
{
string key = KeyText.Text;
if (true == testASCII("Key", key))
{
if (16 == key.Length)
{
if (true == testASCII("PlainText", PlainText.Text))
{
if (0 != PlainText.Text.Length)
{
TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks); //获取当前时间的刻度数
string plaintext = PlainText.Text;
Sms4 sms4 = new Sms4(key);
int pLength = plaintext.Length;
string newPaint = plaintext;
for (int i = 0; i < (16 - pLength % 16) % 16; i++)
{
newPaint += '0';
}
string cipherText = "";
string flag = "";
for (int i = 0; i < newPaint.Length / 16; i++)
{
flag = sms4.encryption(newPaint.Substring(i * 16, 16));
cipherText += flag;
}
ClipherText.Text = cipherText;
TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
TimeSpan ts = ts2.Subtract(ts1).Duration();//时间差的绝对值
String spanTime = "加密运行时间: " + ts.Seconds.ToString() + "秒" + ts.Milliseconds.ToString() + "毫秒";
toolStripStatusLabel1.Text = spanTime;
}
else
{
MessageBox.Show("明文框中不能为空值!",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
else
{
if (KeyText.Text.Length < 16)
{
MessageBox.Show("key的位数小于16,请在key文本框内输入ASCII码表中的字符!",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
MessageBox.Show("key的位数大于16,请在key文本框内内ASCII码表中的字符!",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
}
private void jiemi_Click(object sender, EventArgs e)
{
string key = KeyText.Text;
if (true == testASCII("Key", key))
{
if (16 == key.Length)
{
if (true == TestOxCurrent(ClipherText.Text))
{
if (0 != ClipherText.Text.Length && 0 == ClipherText.Text.Length % 32)
{
TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks); //获取当前时间的刻度数
string ciphertext = ClipherText.Text;
Sms4 sms4 = new Sms4(key);
string plaintext = string.Empty;
for (int i = 0; i < ciphertext.Length / 32; i++)
{
plaintext += sms4.decryption(ciphertext.Substring(i * 32, 32));
}
PlainText.Text = plaintext;
TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
TimeSpan ts = ts2.Subtract(ts1).Duration();//时间差的绝对值
String spanTime = "解密运行时间: " + ts.Seconds.ToString() + "秒" + ts.Milliseconds.ToString() + "毫秒";
toolStripStatusLabel1.Text = spanTime;
}
else
{
MessageBox.Show("密文框中不能为空值且长度是32的整数倍!",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
else
{
MessageBox.Show("密文框中只能输入十六进制的数（0~F）!",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
else
{
MessageBox.Show("key的位数不足,请在key文本框内输入ASCII码表中的字符!!",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}