public byte[] DecryptHeader()
{
try
{
if (FirmwareRaw != null)
{
if (FirmwareRaw.Length > 512)
{
var iv = FirmwareIV();
var key = KeyHandler.Aes256;
var fileName = @"header.rawBytes";
var rawHeader = FirmwareSigned.ByteSelect(640, 543);
var dec = CryptoHandler.AesDecrypt(rawHeader, key, iv);
File.WriteAllBytes(fileName, dec);
}
}
}
catch (Exception ex)
{
UiMessages.Error(ex.ToString());
}
//default
return(null);
}
public byte[] SignedSHA512()
{
try
{
if (FirmwareSigned != null)
{
if (FirmwareSigned.Length > 512)
{
return(FirmwareSigned.ByteSelect(512));
}
}
}
catch (Exception ex)
{
UiMessages.Error(ex.ToString());
}
//default
return(null);
}
public byte[] EncryptedInstaller()
{
try
{
if (FirmwareSigned != null)
{
if (FirmwareSigned.Length > 512)
{
return(FirmwareSigned.ByteSelect(FirmwareSigned.Length - 544, 639));
}
}
}
catch (Exception ex)
{
UiMessages.Error(ex.ToString());
}
//default
return(null);
}
public byte[] SHA512Image()
{
try
{
if (FirmwareSigned != null)
{
if (FirmwareSigned.Length > 512)
{
var imageBytes = FirmwareSigned.ByteSelect(FirmwareSigned.Length - 512, 511);
return(imageBytes.SHA512());
}
}
}
catch (Exception ex)
{
UiMessages.Error(ex.ToString());
}
//default
return(null);
}
