/// <summary>
/// 解密按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDesDecrypt_Click(object sender, EventArgs e)
{
string key = this.tboxDesKey.Text.ToString().Trim();
string reqData = this.tboxDesReqData.Text.ToString().Trim();
if (key == "")
{
MessageBox.Show("密钥不能为空！");
return;
}
if (key.Length % 8 != 0)
{
MessageBox.Show("密钥长度有误！");
return;
}
if (reqData == "")
{
MessageBox.Show("数据不能为空！");
return;
}
if (reqData.Length % 8 != 0)
{
MessageBox.Show("数据长度有误");
return;
}
string result = DesEncryptUtil.desDecrypt(reqData, key);
this.tboxDesResult.Text = result;
}
/// <summary>
/// PIN加密-解密按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnPinDecrypt_Click(object sender, EventArgs e)
{
string masterKey = this.tboxPinMasterKey.Text.Trim();
string pinKey = this.tboxPinKey.Text.Trim();
string cardNo = this.tboxPinCardNo.Text.Trim();
string pin = this.tboxPinPassword.Text.Trim();
if (masterKey != "" && masterKey.Length % 8 != 0)
{
MessageBox.Show("主密钥长度有误！");
return;
}
if (pinKey == "")
{
MessageBox.Show("PIN密钥不能为空！");
return;
}
if (pinKey.Length % 8 != 0)
{
MessageBox.Show("PIN密钥长度有误！");
return;
}
if (pin == "")
{
MessageBox.Show("密码不能为空！");
return;
}
if (masterKey != "")
{
pinKey = DesEncryptUtil.desDecrypt(pinKey, masterKey);
}
//带卡号加密
if (cardNo != "")
{
//解密
string pinBlock = DesEncryptUtil.desDecrypt(pin, pinKey);
byte[] pinBlockClearText = PinUtil.reverse(cardNo, pinBlock);
string result = StringUtil.byteToHexString(pinBlockClearText);
this.tboxPinResult.Text = result;
}
//不带卡号加密
else
{
string result = DesEncryptUtil.desDecrypt(pin, pinKey);
this.tboxPinResult.Text = result;
}
}
/// <summary>
/// X9.19 MAC计算按钮点击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnMacEncryptX919_Click(object sender, EventArgs e)
{
string masterKey = this.tboxMacMasterKey.Text.Trim();
string macKey = this.tboxMacMacKey.Text.Trim();
string reqData = this.tboxMacReqData.Text.Trim();
if (masterKey != "" && masterKey.Length % 8 != 0)
{
MessageBox.Show("主密钥长度有误！");
return;
}
if (macKey == "")
{
MessageBox.Show("MAC密钥不能为空！");
return;
}
if (macKey.Length % 8 != 0 || macKey.Length < 32)
{
MessageBox.Show("MAC密钥长度有误！");
return;
}
if (reqData == "")
{
MessageBox.Show("数据不能为空！");
return;
}
if (masterKey != "")
{
macKey = DesEncryptUtil.desDecrypt(macKey, masterKey);
}
reqData = reqData.Replace(" ", "");
reqData = reqData.Replace("\n", "");
reqData = reqData.Replace("\t", "");
reqData = reqData.Replace("\r", "");
string result = ANSIX919.getMac(reqData, macKey);
this.tboxMacResult.Text = result;
}