/// <summary>
/// Is Hit
/// </summary>
/// <param name="percent">percent: (0 - 100)</param>
/// <param name="rand">rand</param>
/// <returns></returns>
public static bool IsHit(int percent, ref int rand)
{
if (percent < 0)
{
percent = 0;
return(false);
}
if (percent > 100)
{
percent = 100;
return(true);
}
int val = RandTool.CreateRandValWithMinMax(0, Int32.MaxValue);
rand = val;
if (val % percent == 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Encrypt
/// </summary>
/// <param name="clearText"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string Encrypt(string clearText, string key)
{
string cipherText = "";
if (clearText.Length >= 6)
{
string md5Str = Md5EncryptionTool.Encrypt(key);
var indexStart = DateTime.Now.Day;
string cipherText1 = "";
for (int i = 0; i < clearText.Length; i++)
{
int index = (indexStart + i) >= 32 ? (indexStart + i - 32) : (indexStart + i);
byte ch = (byte)clearText[i];
byte ch1 = (byte)md5Str[index];
byte newByte = (byte)(ch + ch1);
cipherText1 += (char)newByte;
}
string prefix = "";
int ran = RandTool.CreateRandValWithMinMax(6, 10);
for (int i = 0; i < ran; i++)
{
int ran1 = RandTool.CreateRandValWithMinMax(0, 31);
prefix += md5Str[ran1];
}
string suffix = ran.ToString();
cipherText = string.Format("{0}{1}{2}", prefix, cipherText1, suffix);
}
else
{
cipherText = "";
}
return(cipherText);
}
