Zhengfang Academic System Passwortentschlüsselung Quellcode

Kleiner Abschaum · Veröffentlicht am 19.05.2015 09:54:17

public static string jiemi(string PlainStr, string key)
{
int num = 1;
checked
{
if (Strings.Len(PlainStr) % 2 == 0)
{
string text = Strings.StrReverse(Strings.Left(PlainStr, (int)Math.Round((double)Strings.Len(PlainStr) / 2.0)));
string text2 = Strings.StrReverse(Strings.Right(PlainStr, (int)Math.Round((double)Strings.Len(PlainStr) / 2.0)));
PlainStr = text + text2;
}
int num2 = Strings.Len(PlainStr);
string text5="";
for (int i = 1; i <= num2; i++)
{
string text3 = Strings.Mid(PlainStr, i, 1);
string text4 = Strings.Mid(key, num, 1);
if ((Strings.Asc(text3) ^ Strings.Asc(text4)) < 32 | (Strings.Asc(text3) ^ Strings.Asc(text4)) > 126 | Strings.Asc(text3) < 0 | Strings.Asc(text3) > 255)
{
text5 += text3;
}
else
{
text5 += Strings.Chr(Strings.Asc(text3) ^ Strings.Asc(text4)).ToString();
}
if (num == Strings.Len(key))
{
num = 0;
}
num++;
}
return text5;
}
}

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