diff --git a/libhac/Calibration.cs b/libhac/Calibration.cs
new file mode 100644
index 00000000..bae854cb
--- /dev/null
+++ b/libhac/Calibration.cs
@@ -0,0 +1,194 @@
+using System.IO;
+using System.Text;
+
+namespace libhac
+{
+    public class Calibration
+    {
+        public string Magic;
+        public uint Field4;
+        public int CalibDataSize;
+        public short Version;
+        public short Revision;
+        public byte[] CalibDataSha256;
+        public string ConfigId1;
+        public int WlanCountryCodesNum;
+        public int WlanCountryCodesLastIdx;
+        public string[] WlanCountryCodes;
+        public byte[] WlanMacAddr;
+        public byte[] BdAddr;
+        public byte[] AccelerometerOffset;
+        public byte[] AccelerometerScale;
+        public byte[] GyroscopeOffset;
+        public byte[] GyroscopeScale;
+        public string SerialNumber;
+        public byte[] DeviceKeyEccP256;
+        public byte[] DeviceCertEccP256;
+        public byte[] DeviceKeyEccB233;
+        public byte[] DeviceCertEccB233;
+        public byte[] EticketKeyEccP256;
+        public byte[] EticketCertEccP256;
+        public byte[] EticketKeyEccB233;
+        public byte[] EticketCertEccB233;
+        public byte[] SslKey;
+        public int SslCertSize;
+        public byte[] SslCert;
+        public byte[] SslCertSha256;
+        public byte[] RandomNumber;
+        public byte[] RandomNumberSha256;
+        public byte[] GamecardKey;
+        public byte[] GamecardCert;
+        public byte[] GamecardCertSha256;
+        public byte[] EticketKeyRsa;
+        public byte[] EticketCertRsa;
+        public string BatteryLot;
+        public byte[] SpeakerCalibValue;
+        public int RegionCode;
+        public byte[] AmiiboKey;
+        public byte[] AmiiboCertEcqv;
+        public byte[] AmiiboCertEcdsa;
+        public byte[] AmiiboKeyEcqvBls;
+        public byte[] AmiiboCertEcqvBls;
+        public byte[] AmiiboRootCertEcqvBls;
+        public int ProductModel;
+        public byte[] ColorVariation;
+        public byte[] LcdBacklightBrightnessMapping;
+        public byte[] DeviceExtKeyEccB233;
+        public byte[] EticketExtKeyEccP256;
+        public byte[] EticketExtKeyEccB233;
+        public byte[] EticketExtKeyRsa;
+        public byte[] SslExtKey;
+        public byte[] GamecardExtKey;
+        public int LcdVendorId;
+
+        public Calibration(Stream stream)
+        {
+            var reader = new BinaryReader(stream, Encoding.Default, true);
+
+            stream.Position = 0;
+            Magic = reader.ReadUtf8(4);
+            Field4 = reader.ReadUInt32();
+            CalibDataSize = reader.ReadInt32();
+            Version = reader.ReadInt16();
+            Revision = reader.ReadInt16();
+
+            stream.Position = 0x20;
+            CalibDataSha256 = reader.ReadBytes(0x20);
+            ConfigId1 = reader.ReadUtf8Z();
+
+            stream.Position = 0x80;
+            WlanCountryCodesNum = reader.ReadInt32();
+            WlanCountryCodesLastIdx = reader.ReadInt32();
+            WlanCountryCodes = new string[WlanCountryCodesNum];
+            for (int i = 0; i < WlanCountryCodesNum; i++)
+            {
+                stream.Position = 0x88 + i * 4;
+                WlanCountryCodes[i] = reader.ReadUtf8Z();
+            }
+
+            stream.Position = 0x210;
+            WlanMacAddr = reader.ReadBytes(6);
+            stream.Position = 0x220;
+            BdAddr = reader.ReadBytes(6);
+            stream.Position = 0x230;
+            AccelerometerOffset = reader.ReadBytes(6);
+            stream.Position = 0x238;
+            AccelerometerScale = reader.ReadBytes(6);
+            stream.Position = 0x240;
+            GyroscopeOffset = reader.ReadBytes(6);
+            stream.Position = 0x248;
+            GyroscopeScale = reader.ReadBytes(6);
+
+            stream.Position = 0x250;
+            SerialNumber = reader.ReadUtf8Z();
+
+            stream.Position = 0x270;
+            DeviceKeyEccP256 = reader.ReadBytes(0x30);
+            stream.Position = 0x2B0;
+            DeviceCertEccP256 = reader.ReadBytes(0x180);
+            stream.Position = 0x440;
+            DeviceKeyEccB233 = reader.ReadBytes(0x30);
+            stream.Position = 0x480;
+            DeviceCertEccB233 = reader.ReadBytes(0x180);
+            stream.Position = 0x610;
+            EticketKeyEccP256 = reader.ReadBytes(0x30);
+            stream.Position = 0x650;
+            EticketCertEccP256 = reader.ReadBytes(0x180);
+            stream.Position = 0x7E0;
+            EticketKeyEccB233 = reader.ReadBytes(0x30);
+            stream.Position = 0x820;
+            EticketCertEccB233 = reader.ReadBytes(0x180);
+
+            stream.Position = 0x9B0;
+            SslKey = reader.ReadBytes(0x110);
+            stream.Position = 0xAD0;
+            SslCertSize = reader.ReadInt32();
+            stream.Position = 0x0AE0;
+            SslCert = reader.ReadBytes(SslCertSize);
+            stream.Position = 0x12E0;
+            SslCertSha256 = reader.ReadBytes(0x20);
+
+            stream.Position = 0x1300;
+            RandomNumber = reader.ReadBytes(0x1000);
+            stream.Position = 0x2300;
+            RandomNumberSha256 = reader.ReadBytes(0x20);
+
+            stream.Position = 0x2320;
+            GamecardKey = reader.ReadBytes(0x110);
+            stream.Position = 0x2440;
+            GamecardCert = reader.ReadBytes(0x400);
+            stream.Position = 0x2840;
+            GamecardCertSha256 = reader.ReadBytes(0x20);
+
+            stream.Position = 0x2860;
+            EticketKeyRsa = reader.ReadBytes(0x220);
+            stream.Position = 0x2A90;
+            EticketCertRsa = reader.ReadBytes(0x240);
+
+            stream.Position = 0x2CE0;
+            BatteryLot = reader.ReadUtf8Z();
+
+            stream.Position = 0x2D00;
+            SpeakerCalibValue = reader.ReadBytes(0x800);
+
+            stream.Position = 0x3510;
+            RegionCode = reader.ReadInt32();
+
+            stream.Position = 0x3520;
+            AmiiboKey = reader.ReadBytes(0x50);
+            stream.Position = 0x3580;
+            AmiiboCertEcqv = reader.ReadBytes(0x14);
+            stream.Position = 0x35A0;
+            AmiiboCertEcdsa = reader.ReadBytes(0x70);
+            stream.Position = 0x3620;
+            AmiiboKeyEcqvBls = reader.ReadBytes(0x40);
+            stream.Position = 0x3670;
+            AmiiboCertEcqvBls = reader.ReadBytes(0x20);
+            stream.Position = 0x36A0;
+            AmiiboRootCertEcqvBls = reader.ReadBytes(0x90);
+
+            stream.Position = 0x3740;
+            ProductModel = reader.ReadInt32();
+            stream.Position = 0x3750;
+            ColorVariation = reader.ReadBytes(0x06);
+            stream.Position = 0x3760;
+            LcdBacklightBrightnessMapping = reader.ReadBytes(0x0C);
+
+            stream.Position = 0x3770;
+            DeviceExtKeyEccB233 = reader.ReadBytes(0x50);
+            stream.Position = 0x37D0;
+            EticketExtKeyEccP256 = reader.ReadBytes(0x50);
+            stream.Position = 0x3830;
+            EticketExtKeyEccB233 = reader.ReadBytes(0x50);
+            stream.Position = 0x3890;
+            EticketExtKeyRsa = reader.ReadBytes(0x240);
+            stream.Position = 0x3AE0;
+            SslExtKey = reader.ReadBytes(0x130);
+            stream.Position = 0x3C20;
+            GamecardExtKey = reader.ReadBytes(0x130);
+
+            stream.Position = 0x3D60;
+            LcdVendorId = reader.ReadInt32();
+        }
+    }
+}