private void EnButton_Click(object sender, EventArgs e)
{
type = 0;
byte[] tmp1 = new byte[100];
if (this.keyBox.Text.Length > 0)//输入新的密钥
key = Encoding.Default.GetBytes(this.keyBox.Text);
foreach (byte b in key)//将密钥录入kl;
kl.Add(b);
if (this.plainBox.Text.Length > 0)//输入新的明文
{
cipherBox.Text = "";
tmp1 = Encoding.Default.GetBytes(this.plainBox.Text);
pl.Clear();
for (int i = 0; i < tmp1.Length; i++)
pl.Add(tmp1[i]);//将明文录入pl
DES des = new DES(0);
Stopwatch sw = new Stopwatch();
sw.Start();
this.ci = des.DesRun(pl, kl);//DES 加密
sw.Stop();
TimeSpan ts = sw.Elapsed;
time = ts.TotalMilliseconds;
tmp1 = ListToByteArray(ci);
resultBox.Text = "加密后："+Encoding.Default.GetString(tmp1);//打印结果
MessageBox.Show("加密总花费" + (time.ToString() + "ms."));
}
kl.Clear();
key = Encoding.UTF8.GetBytes("computer");//重置初始密钥
}
private void deButton_Click(object sender, EventArgs e)
{
type = 1;
byte[] tmp = new byte[100];
if (this.keyBox.Text.Length > 0)
key = Encoding.Default.GetBytes(this.keyBox.Text);//输入新的密钥
foreach (byte b in key)//将密钥录入kl;
kl.Add(b);
if (this.cipherBox.Text.Length > 0)//输入新的密文
{
plainBox.Text = "";
DES des1 = new DES(1);
ci.Clear();
tmp = Encoding.Default.GetBytes(this.cipherBox.Text);//字符串转换为字节数组
for (int i = 0; i < tmp.Length; i++)
ci.Add(tmp[i]);//将密文录入ci
Stopwatch sw = new Stopwatch();
sw.Start();
pl = des1.DesRun(ci, kl);
tmp = ListToByteArray(pl);
sw.Stop();
TimeSpan ts = sw.Elapsed;
time = ts.TotalMilliseconds;
resultBox.Text ="解密后："+Encoding.Default.GetString(tmp);
MessageBox.Show("解密总花费" + (time.ToString() + "ms."));
}
else//不输入新明文，直接解密
{
Stopwatch sw = new Stopwatch();
sw.Start();
DES des0 = new DES(1);
pl = des0.DesRun(this.ci, this.kl);//DES 解密
sw.Stop();
TimeSpan ts = sw.Elapsed;
time = ts.TotalMilliseconds;
tmp = ListToByteArray(pl);
resultBox.Text="解密后："+Encoding.Default.GetString(tmp);//打印结果
MessageBox.Show("解密总花费" + (time.ToString() + "ms."));
}
kl.Clear();
key = Encoding.UTF8.GetBytes("computer");//重置初始密钥
}