public static string DecodeXTFile(string string_0) { byte[] buffer = new byte[8]; IDEAXT ideaxt = new IDEAXT(); byte[] bytes = Encoding.Default.GetBytes("9781246350HQSTAR"); ideaxt.encrypt_subkey(bytes); ideaxt.uncrypt_subkey(); string str = ""; try { int count = 0; FileStream stream = new FileStream(string_0, FileMode.Open); count = (int)stream.Length; byte[] buffer3 = new byte[count]; byte[] buffer4 = new byte[count]; stream.Read(buffer3, 0, count); for (int i = 0; i < (count / 8); i++) { byte[] destinationArray = new byte[8]; Array.Copy(buffer3, i * 8, destinationArray, 0, 8); ideaxt.encrypt(destinationArray, buffer); for (int j = 0; j < 8; j++) { buffer4[(8 * i) + j] = buffer[j]; } } stream.Close(); str = Encoding.Default.GetString(buffer4); int num4 = str.LastIndexOf("</body>"); return(str.Substring(0, num4 + 7)); } catch { return(""); } }
public static string EncodeXTGoodsName(string string_0) { byte[] buffer = smethod_0(string_0, 8); int length = buffer.Length; byte[] buffer2 = new byte[8]; for (int i = 0; i < 8; i++) { buffer2[i] = 0; } byte[] buffer3 = new byte[8]; IDEAXT ideaxt = new IDEAXT(); byte[] bytes = Encoding.Default.GetBytes("9781246350HQSTAR"); ideaxt.encrypt_subkey(bytes); byte[] buffer5 = new byte[0x10]; for (int j = 0; j < (length / 8); j++) { byte[] buffer6 = new byte[8]; for (int m = 0; m < 8; m++) { buffer6[m] = buffer[(j * 8) + m]; } ideaxt.encrypt(buffer6, buffer3); for (int n = 0; n < 8; n++) { buffer2[n] = (byte)(buffer2[n] + buffer3[n]); } } for (int k = 0; k < 8; k++) { byte num6 = Convert.ToByte((int)(Convert.ToByte('A') + (buffer2[k] & 15))); buffer5[2 * k] = num6; num6 = Convert.ToByte((int)(Convert.ToByte('A') + (buffer2[k] >> 4))); buffer5[(2 * k) + 1] = num6; } return(Encoding.Default.GetString(buffer5)); }