Add GetAsicCertificate

src/LibHac/Common/FixedArrays/Arrays.cs

@@ -50,6 +50,7 @@ namespace LibHac.Common.FixedArrays;
 [InlineArray(640)] public struct Array640<T> { public readonly int Length => 640; private T _0; }
 [InlineArray(768)] public struct Array768<T> { public readonly int Length => 768; private T _0; }
 [InlineArray(769)] public struct Array769<T> { public readonly int Length => 769; private T _0; }
+[InlineArray(1024)] public struct Array1024<T> { public readonly int Length => 1024; private T _0; }
 [InlineArray(3000)] public struct Array3000<T> { public readonly int Length => 3000; private T _0; }
 [InlineArray(3438)] public struct Array3438<T> { public readonly int Length => 3438; private T _0; }
 [InlineArray(5366)] public struct Array5366<T> { public readonly int Length => 5366; private T _0; }

src/LibHac/Gc/GameCardEmulated.cs

@@ -428,4 +428,12 @@ public sealed class GameCardEmulated : IGcApi
         outErrorReportInfo = default;
         return Result.Success;
     }
+
+    public Result GetAsicCertificate(out GameCardAsicCertificateSet outCertificateSet)
+    {
+        Abort.DoAbortUnless(_initialized, LibNotInitializedMessage);
+
+        outCertificateSet = default;
+        return Result.Success;
+    }
 }

src/LibHac/Gc/GameCardTypes.cs

@@ -31,3 +31,11 @@ public struct GameCardIdSet
     public CardId2 Id2;
     public CardId3 Id3;
 }
+
+public struct GameCardAsicCertificateSet
+{
+    public Array1024<byte> Certificate;
+    public Array16<byte> SerialNumber;
+    public Array256<byte> PublicKeyModulus;
+    public Array3<byte> PublicKeyExponent;
+}

src/LibHac/Gc/GameCardValues.cs

@@ -5,17 +5,61 @@ namespace LibHac.Gc;
 public static class Values
 {
     public const int GcPageSize = 0x200;
-    public const int GcAsicFirmwareSize = 1024 * 30; // 30 KiB
+
-    public const int GcCardDeviceIdSize = 0x10;
-    public const int GcChallengeCardExistenceResponseSize = 0x58;
-    public const int GcCardImageHashSize = 0x20;
-    public const int GcDeviceCertificateSize = 0x200;
-    public const int GcCardKeyAreaSize = GcCardKeyAreaPageCount * GcPageSize;
     public const int GcCardKeyAreaPageCount = 8;
-    public const int GcCertAreaPageAddress = 56;
+    public const int GcCardKeyAreaSize = GcCardKeyAreaPageCount * GcPageSize;
+
+    public const int GcCardHeaderPageAddress = 0;
+    public const int GcCardHeaderPageCount = 1;
+
+    public const int GcReservedAreaPageCount = 0x37;
+
+    public const int GcCertAreaPageAddress = GcCardHeaderPageCount + GcReservedAreaPageCount;
+    public const int GcDeviceCertificatePageCount = 1;
+    public const int GcCertAreaPageCount = 0x40;
+
+    public const int GcPackageIdSize = 8;
+    public const int GcPartitionFsHeaderHashSize = 0x20;
+    public const int GcCardDeviceIdSize = 0x10;
+    public const int GcDeviceCertificateSize = 0x200;
+    public const int GcCardImageHashSize = 0x20;
+
+    public const int GcChallengeCardExistenceResponseSize = 0x58;
+    public const int GcChallengeCardExistenceSeedSize = 0xF;
+    public const int GcChallengeCardExistenceValueSize = 0x10;
+
+    public const int GcMmcCmd60DataSize = 0x40;
+
+    public const int GcAsicFirmwareSize = 1024 * 30; // 30 KiB
+
+    public const int GcAsicSerialNumberLength = 0x10;
+
+    public const int GcRandomValueSize = 32;
+    public const int GcRandomValueForKeyUpdateSocSize = 31;
+    public const int GcRsaOaepSeedSize = 32;
+
+    public const int GcAesBlockLength = Aes.BlockSize;
+
+    public const int GcRsaKeyLength = Rsa.ModulusSize2048Pss;
+    public const int GcRsaPublicExponentLength = Rsa.MaximumExponentSize2048Pss;
+    public const int GcAesKeyLength = Aes.KeySize128;
     public const int GcAesCbcIvLength = Aes.KeySize128;
+    public const int GcHmacKeyLength = 0x20;
+    public const int GcCvConstLength = 0x10;
+    public const int GcTitleKeyKekIndexMax = 0x10;
+    public const int GcSha256HashLength = Sha256.DigestSize;
+
+    public const int GcSendCommandMaxCount = 3;
+
+    public const byte GcPaddingU8 = 0xFF;
+    public const int GcCertificateSize = 0x400;
+    public const int GcSocModulusOffset = 0x130;
+    public const int GcCertificateSetSize = GcCertificateSize + GcAsicSerialNumberLength + GcRsaKeyLength + GcRsaPublicExponentLength;
 
     public const long UnusedAreaSizeBase = 1024 * 1024 * 72; // 72 MiB
     public const long MemorySizeBase = 1024 * 1024 * 1024; // 1 GiB
     public const long AvailableSizeBase = MemorySizeBase - UnusedAreaSizeBase;
+
+    public const int Cmd60DefaultTimeOutMilliSeconds = 3500;
+    public const int EraseTimeOutMilliSeconds = 10 * 1000;
 }

src/LibHac/Gc/IGcApi.cs

@@ -35,4 +35,5 @@ public interface IGcApi
     void UnregisterDetectionEventCallback();
     Result GetCardHeader(Span<byte> destBuffer);
     Result GetErrorInfo(out GameCardErrorReportInfo outErrorReportInfo);
+    Result GetAsicCertificate(out GameCardAsicCertificateSet outCertificateSet);
 }

src/LibHac/GcSrv/GameCardManager.cs

@@ -768,6 +768,17 @@ public class GameCardManager : IStorageDeviceManager, IStorageDeviceOperator, IG
                 bytesWritten = Unsafe.SizeOf<DevCardParameter>();
                 return Result.Success;
             }
+            case GameCardManagerOperationIdValue.GetGameCardAsicCertificate:
+            {
+                if (buffer.Size < Unsafe.SizeOf<GameCardAsicCertificateSet>())
+                    return ResultFs.InvalidArgument.Log();
+
+                res = GetGameCardAsicCertificate(out buffer.As<GameCardAsicCertificateSet>());
+                if (res.IsFailure()) return res.Miss();
+
+                bytesWritten = Unsafe.SizeOf<GameCardAsicCertificateSet>();
+                return Result.Success;
+            }
 
             default:
                 return ResultFs.InvalidArgument.Log();
@@ -1042,6 +1053,16 @@ public class GameCardManager : IStorageDeviceManager, IStorageDeviceOperator, IG
         return Result.Success;
     }
 
+    private Result GetGameCardAsicCertificate(out GameCardAsicCertificateSet outCertificateSet)
+    {
+        UnsafeHelpers.SkipParamInit(out outCertificateSet);
+
+        Result res = InitializeGcLibrary();
+        if (res.IsFailure()) return res.Miss();
+
+        return _gc.GetAsicCertificate(out outCertificateSet).Ret();
+    }
+
     public Result AcquireReadLock(ref SharedLock<ReaderWriterLock> outLock, GameCardHandle handle)
     {
         using (var readLock = new SharedLock<ReaderWriterLock>(_rwLock))

src/LibHac/GcSrv/GcSrvEnums.cs

@@ -19,7 +19,8 @@ public enum GameCardManagerOperationIdValue
     ReadParamDirectly = 11,
     WriteToGameCardDirectly = 12,
     ForceErase = 13,
-    SimulateDetectionEventSignaled = 14
+    SimulateDetectionEventSignaled = 14,
+    GetGameCardAsicCertificate = 15
 }
 
 /// <summary>

tests/LibHac.Tests/Gc/TypeLayoutTests.cs

@@ -87,6 +87,24 @@ public class TypeLayoutTests
         Assert.Equal(0, GetOffset(in s, in s.Reserved));
     }
 
+    [Fact]
+    public static void GameCardAsicCertificateSet_Layout()
+    {
+        var s = new GameCardAsicCertificateSet();
+
+        Assert.Equal(Values.GcCertificateSetSize, Unsafe.SizeOf<GameCardAsicCertificateSet>());
+
+        Assert.Equal(0x000, GetOffset(in s, in s.Certificate));
+        Assert.Equal(0x400, GetOffset(in s, in s.SerialNumber));
+        Assert.Equal(0x410, GetOffset(in s, in s.PublicKeyModulus));
+        Assert.Equal(0x510, GetOffset(in s, in s.PublicKeyExponent));
+
+        Assert.Equal(Values.GcCertificateSize, s.Certificate.Length);
+        Assert.Equal(Values.GcAsicSerialNumberLength, s.SerialNumber.Length);
+        Assert.Equal(Values.GcRsaKeyLength, s.PublicKeyModulus.Length);
+        Assert.Equal(Values.GcRsaPublicExponentLength, s.PublicKeyExponent.Length);
+    }
+
     [Fact]
     public static void CardInitialDataPayload_Layout()
     {