public static string[] DecryptHeaders(string data, string pass = "")
{
string[] strArray1 = new string[3];
ushort passCodeFromString = FileEncrypter.GetPassCodeFromString(pass);
string[] strArray2 = data.Split(Utils.robustNewlineDelim, StringSplitOptions.RemoveEmptyEntries);
if (strArray2.Length < 2)
{
throw new FormatException("Tried to decrypt an invalid valid DEC ENC file");
}
string[] strArray3 = strArray2[0].Split(FileEncrypter.HeaderSplitDelimiters, StringSplitOptions.None);
if (strArray3.Length < 4)
{
throw new FormatException("Tried to decrypt an invalid valid DEC ENC file");
}
string str1 = FileEncrypter.Decrypt(strArray3[1], passCodeFromString);
string str2 = FileEncrypter.Decrypt(strArray3[2], passCodeFromString);
string str3 = (string)null;
if (strArray3.Length > 4)
{
str3 = FileEncrypter.Decrypt(strArray3[4], passCodeFromString);
}
strArray1[0] = str1;
strArray1[1] = str2;
strArray1[2] = str3;
return(strArray1);
}
public static string[] DecryptString(string data, string pass = "")
{
if (string.IsNullOrEmpty(data))
{
throw new NullReferenceException("String to decrypt cannot be null or empty");
}
string[] strArray1 = new string[6];
ushort passCodeFromString1 = FileEncrypter.GetPassCodeFromString(pass);
ushort passCodeFromString2 = FileEncrypter.GetPassCodeFromString("");
string[] strArray2 = data.Split(Utils.robustNewlineDelim, StringSplitOptions.RemoveEmptyEntries);
if (strArray2.Length < 2)
{
throw new FormatException("Tried to decrypt an invalid valid DEC ENC file \"" + data + "\" - not enough elements. Need 2 lines, had " + (object)strArray2.Length);
}
string[] strArray3 = strArray2[0].Split(FileEncrypter.HeaderSplitDelimiters, StringSplitOptions.None);
if (strArray3.Length < 4)
{
throw new FormatException("Tried to decrypt an invalid valid DEC ENC file \"" + data + "\" - not enough headers");
}
string str1 = FileEncrypter.Decrypt(strArray3[1], passCodeFromString2);
string str2 = FileEncrypter.Decrypt(strArray3[2], passCodeFromString2);
string str3 = FileEncrypter.Decrypt(strArray3[3], passCodeFromString1);
string str4 = (string)null;
if (strArray3.Length > 4)
{
str4 = FileEncrypter.Decrypt(strArray3[4], passCodeFromString2);
}
string str5 = (string)null;
string str6 = "1";
if (str3 == "ENCODED")
{
str5 = FileEncrypter.Decrypt(strArray2[1], passCodeFromString1);
}
else
{
str6 = "0";
}
strArray1[0] = str1;
strArray1[1] = str2;
strArray1[2] = str5;
strArray1[3] = str4;
strArray1[4] = str6;
strArray1[5] = str3;
return(strArray1);
}
public static string EncryptString(string data, string header, string ipLink, string pass = "", string fileExtension = null)
{
if (string.IsNullOrWhiteSpace(data))
{
data = "";
}
ushort passCodeFromString1 = FileEncrypter.GetPassCodeFromString(pass);
ushort passCodeFromString2 = FileEncrypter.GetPassCodeFromString("");
StringBuilder stringBuilder = new StringBuilder();
string str = "#DEC_ENC::" + FileEncrypter.Encrypt(header, passCodeFromString2) + "::" + FileEncrypter.Encrypt(ipLink, passCodeFromString2) + "::" + FileEncrypter.Encrypt("ENCODED", passCodeFromString1);
if (fileExtension != null)
{
str = str + "::" + FileEncrypter.Encrypt(fileExtension, passCodeFromString2);
}
stringBuilder.Append(str);
stringBuilder.Append("\r\n");
stringBuilder.Append(FileEncrypter.Encrypt(data, passCodeFromString1));
return(stringBuilder.ToString());
}