Files

132 lines
4.8 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : CID.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes SecureDigital CID.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System;
using System.Diagnostics.CodeAnalysis;
using System.Text;
using Aaru.Helpers;
namespace Aaru.Decoders.SecureDigital;
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
public class CID
{
public string ApplicationID;
public byte CRC;
public byte Manufacturer;
public ushort ManufacturingDate;
public string ProductName;
public byte ProductRevision;
public uint ProductSerialNumber;
}
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
[SuppressMessage("ReSharper", "UnusedMember.Global")]
public static partial class Decoders
{
public static CID DecodeCID(uint[] response)
{
if(response?.Length != 4) return null;
var data = new byte[16];
byte[] tmp = BitConverter.GetBytes(response[0]);
Array.Copy(tmp, 0, data, 0, 4);
tmp = BitConverter.GetBytes(response[1]);
Array.Copy(tmp, 0, data, 4, 4);
tmp = BitConverter.GetBytes(response[2]);
Array.Copy(tmp, 0, data, 8, 4);
tmp = BitConverter.GetBytes(response[3]);
Array.Copy(tmp, 0, data, 12, 4);
return DecodeCID(data);
}
public static CID DecodeCID(byte[] response)
{
if(response?.Length != 16) return null;
var cid = new CID
{
Manufacturer = response[0],
ProductRevision = response[8],
ProductSerialNumber = Swapping.Swap(BitConverter.ToUInt32(response, 9)),
ManufacturingDate = (ushort)(((response[13] & 0x0F) << 8) + response[14]),
CRC = (byte)((response[15] & 0xFE) >> 1)
};
var tmp = new byte[2];
Array.Copy(response, 1, tmp, 0, 2);
cid.ApplicationID = StringHandlers.CToString(tmp);
tmp = new byte[5];
Array.Copy(response, 3, tmp, 0, 5);
cid.ProductName = StringHandlers.CToString(tmp);
return cid;
}
public static string PrettifyCID(CID cid)
{
if(cid == null) return null;
var sb = new StringBuilder();
sb.AppendLine(Localization.SecureDigital_Device_Identification_Register);
sb.AppendFormat(Localization.Manufacturer_0, VendorString.Prettify(cid.Manufacturer)).AppendLine();
sb.AppendFormat(Localization.Application_ID_0, cid.ApplicationID).AppendLine();
sb.AppendFormat(Localization.Product_name_0, cid.ProductName).AppendLine();
sb.AppendFormat(Localization.Product_revision_0_1,
(cid.ProductRevision & 0xF0) >> 4,
cid.ProductRevision & 0x0F)
.AppendLine();
sb.AppendFormat(Localization.Product_serial_number_0, cid.ProductSerialNumber).AppendLine();
sb.AppendFormat(Localization.Device_manufactured_month_0_of_1,
(cid.ManufacturingDate & 0xF00) >> 8,
(cid.ManufacturingDate & 0xFF) + 2000)
.AppendLine();
sb.AppendFormat(Localization.CID_CRC_0, cid.CRC).AppendLine();
return sb.ToString();
}
public static string PrettifyCID(uint[] response) => PrettifyCID(DecodeCID(response));
public static string PrettifyCID(byte[] response) => PrettifyCID(DecodeCID(response));
}