private void radioButton_CheckedChanged(object sender, EventArgs e)
{
if ((sender as RadioButton).Checked)
{
algo = (sender as RadioButton).Tag as algo;
}
}
/// <summary>
/// 要加密
/// </summary>
/// <param name="Data">要加密的字符串</param>
/// <param name="key">密钥</param>
/// <returns></returns>
public string encrypt(string Data, string key)
{
try
{
if (Data.Length == 0)
{
throw new ArgumentException("Data must be at least 1 characater in length.");
}
uint[] k = FormatKey(key);
if ((Data.Length % 8) != 0)
{
int num6 = (8 - (Data.Length % 8)) - 1;
for (int j = 0; j <= num6; j++)
{
Data = Data + "\0";
}
}
//增加的
else
{
for (int j = 0; j <= 7; j++)
{
Data = Data + "\0";
}
}
ArrayList list = new ArrayList(Data.Length);
list.AddRange(Encoding.Unicode.GetBytes(Data));
string str = "";
uint[] v = new uint[3];
byte[] buffer = new byte[5];
int num5 = list.Count - 1;
for (int i = 0; i <= num5; i += 8)
{
int index = 0;
do
{
buffer[index] = ByteType.FromObject(list[i + index]);
index++;
}while (index <= 3);
v[0] = BitConverter.ToUInt32(buffer, 0);
int num4 = 0;
do
{
buffer[num4] = ByteType.FromObject(list[(i + 4) + num4]);
num4++;
}while (num4 <= 3);
v[1] = BitConverter.ToUInt32(buffer, 0);
algo algo = new algo();
algo.code(v, k);
str = str + Util.ConvertUintToHexString(v[0]) + Util.ConvertUintToHexString(v[1]);
}
return(str.ToString());
}
catch (Exception ex)
{
return("加密失败：" + ex.Message);
}
}
public void Init(algo[] algos)
{
// doit être défini avant
this.algos = algos;
if (algos.Length > 1)
{
radioButtons = new RadioButton[algos.Length];
for (int i = 0; i < algos.Length; ++i)
{
RadioButton rb = new RadioButton();
rb.AutoSize = true;
rb.Location = new System.Drawing.Point(3, 23 * (i) + 3);
rb.Size = new System.Drawing.Size(85, 17);
rb.TabStop = true;
rb.Text = algos[i].nom;
rb.UseVisualStyleBackColor = true;
rb.Tag = algos[i];
rb.CheckedChanged += new System.EventHandler(this.radioButton_CheckedChanged);
radioButtons[i] = rb;
}
panel1.Controls.AddRange(this.radioButtons);
this.radioButtons[0].Checked = true;
}
else
{
// forcément algos.Length == 1
algo = algos[0];
comboBoxNiveaux.Location = new Point(0, 0);
}
//this.Text = algos.Aggregate("Les ", (s, x) => s += x.nom + ", ");
string s = "Les ";
for (int i = 0; i < algos.Length - 2; ++i)
{
s += algos[i].nom + ", ";
}
if (algos.Length >= 2)
{
s += algos[algos.Length - 2].nom + " et les ";
}
s += algos[algos.Length - 1].nom;
this.Text = s;
}
/// <summary>
///解密
/// </summary>
/// <param name="Data">要解密的字符串</param>
/// <param name="key">Key密钥</param>
/// <returns></returns>
public string decrypt(string Data, string key)
{
try
{
uint[] k = FormatKey(key);
int index = 0;
uint[] v = new uint[3];
byte[] bytes = new byte[(Data.Length / 2) + 1];
algo algo = new algo();
int num6 = Data.Length - 1;
for (int i = 0; i <= num6; i += 0x10)
{
v[0] = Util.ConvertHexStringToUint(Data.Substring(i, 8));
v[1] = Util.ConvertHexStringToUint(Data.Substring(i + 8, 8));
algo.decode(v, k);
int num4 = 0;
do
{
bytes[index] = BitConverter.GetBytes(v[0])[num4];
index++;
num4++;
}while (num4 <= 3);
int num5 = 0;
do
{
bytes[index] = BitConverter.GetBytes(v[1])[num5];
index++;
num5++;
}while (num5 <= 3);
}
string str = Encoding.Unicode.GetString(bytes, 0, bytes.Length);
int num = str.Length - 1;
char[] chArray = str.ToCharArray();
while (chArray[num] == '\0')
{
num--;
}
return(str.Substring(0, num + 1));
}
catch (Exception ex)
{
return("解密失败:" + ex.Message);
}
}
AssertAlgorithmProperties(algo, g, pos, expectedReportIterationEnd, expectedReportProgress, p);
public Checksum(algo algo, string hash)
{
_algo = algo;
_hash = hash;
}
