public static string PrettifyCPRMMediaKeyBlock(CPRMMediaKeyBlock?CPRMMKBResponse)
{
if (CPRMMKBResponse == null)
{
return(null);
}
CPRMMediaKeyBlock response = CPRMMKBResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if (response.Reserved != 0)
{
sb.AppendFormat("Reserved = 0x{0:X2}", response.Reserved).AppendLine();
}
#endif
sb.AppendFormat("Total number of CPRM Media Key Blocks available to transfer: {0}", response.TotalPacks).
AppendLine();
sb.AppendFormat("CPRM Media Key Blocks in hex follows:");
sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.MKBPackData, 80));
return(sb.ToString());
}
public static CPRMMediaKeyBlock?DecodeCPRMMediaKeyBlock(byte[] CPRMMKBResponse)
{
if (CPRMMKBResponse == null)
{
return(null);
}
CPRMMediaKeyBlock decoded = new CPRMMediaKeyBlock
{
MKBPackData = new byte[CPRMMKBResponse.Length - 4],
DataLength = BigEndianBitConverter.ToUInt16(CPRMMKBResponse, 0),
Reserved = CPRMMKBResponse[2],
TotalPacks = CPRMMKBResponse[3]
};
Array.Copy(CPRMMKBResponse, 4, decoded.MKBPackData, 0, CPRMMKBResponse.Length - 4);
return(decoded);
}
