TWLBackupBlock:HeaderBody に WithPrivateSave 形式のフィールドと処理の追加。

SignatureBody に WithPrivateSave 形式の処理の追加。
LegacyHeaderBody の削除。

git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-09-30%20-%20paladin.7z/paladin/ctr_test_tools@34 6b0af911-cb57-b745-895f-eec5701120e1

TwlBkpCheck/Windows/TWLBackupBlock/HeaderBody.cs

@@ -9,7 +9,9 @@ namespace TwlBackupBlock
     /// </summary>
     public class HeaderBody : AbstractBody
     {
-        public const int HEADER_SIZE = 240;
+        public const int NORMAL_HEADER_SIZE = 240;
+        public const int EX_HEADER_SIZE = 256;
+        public const int LEGACY_HEADER_SIZE = 160;
 
         public const int UNIQUE_ID_SIZE = 32;
         public const int HARDWARE_ID_SIZE = 16;
@@ -18,6 +20,9 @@ namespace TwlBackupBlock
         public const int TMD_RESERVED_SIZE = 62;
         public const int RESERVED_SIZE = 13;
 
+        // for WithPrivateSave
+        public const int RESERVED_SIZE_FOR_WPS = 12;
+
         public UInt32 signature;
         public UInt16 companyCode;
         public UInt16 version;
@@ -32,15 +37,36 @@ namespace TwlBackupBlock
         public Byte headerVersion;
         public readonly Byte[] reserved;
 
-        public HeaderBody(byte[] data)
+        // for WithPrivateSave
+        public UInt32 privateSaveForWPS;
+        public readonly Byte[] reservedForWPS;
+
+        private BkpType type;
+        private int headerSize;
+
+        public HeaderBody(byte[] data, BkpType type)
         {
+            this.type = type;
+            switch (this.type)
+            {
+                case BkpType.NORMAL:
+                    headerSize = NORMAL_HEADER_SIZE;
+                    break;
+                case BkpType.WITH_PRIVATE_SAVE:
+                    headerSize = EX_HEADER_SIZE;
+                    break;
+                case BkpType.LEGACY:
+                    headerSize = LEGACY_HEADER_SIZE;
+                    break;
+            }
+
             if (data == null)
             {
                 throw new ArgumentNullException("data");
             }
-            if (data.Length != HEADER_SIZE)
+            if (data.Length != headerSize)
             {
-                string message = string.Format("data.Length % {0} != 0 (data.Length:{1})", HEADER_SIZE, data.Length);
+                string message = string.Format("data.Length % {0} != 0 (data.Length:{1})", headerSize, data.Length);
                 throw new ArgumentException("data", message);
             }
 
@@ -52,6 +78,11 @@ namespace TwlBackupBlock
             tmdReserved = new TmdReserved();
             reserved = new Byte[RESERVED_SIZE];
 
+            if (type == BkpType.WITH_PRIVATE_SAVE)
+            {
+                reservedForWPS = new Byte[RESERVED_SIZE_FOR_WPS];
+            }
+
             SetBytes(data);
         }
 
@@ -59,7 +90,7 @@ namespace TwlBackupBlock
         {
             get
             {
-                if (index < 0 || index >= HEADER_SIZE)
+                if (index < 0 || index >= headerSize)
                 {
                     throw new ArgumentException("index");
                 }
@@ -67,7 +98,7 @@ namespace TwlBackupBlock
             }
             set
             {
-                if (index < 0 || index >= HEADER_SIZE)
+                if (index < 0 || index >= headerSize)
                 {
                     throw new ArgumentException("index");
                 }
@@ -79,7 +110,7 @@ namespace TwlBackupBlock
         {
             get
             {
-                return HEADER_SIZE;
+                return headerSize;
             }
         }
 
@@ -90,7 +121,7 @@ namespace TwlBackupBlock
         /// <returns><paramref name="index"/>で指定したバイト</returns>
         public byte ReadByte(int index)
         {
-            if (index < 0 || index >= HEADER_SIZE)
+            if (index < 0 || index >= headerSize)
             {
                 throw new ArgumentException("index");
             }
@@ -106,7 +137,7 @@ namespace TwlBackupBlock
         /// <param name="b">上書きに使うバイト。</param>
         public void WriteByte(int index, byte b)
         {
-            if (index < 0 || index >= HEADER_SIZE)
+            if (index < 0 || index >= headerSize)
             {
                 throw new ArgumentException("index");
             }
@@ -118,11 +149,12 @@ namespace TwlBackupBlock
 
         public override byte[] GetBytes()
         {
-            byte[] bytes = new byte[HEADER_SIZE];
+            byte[] bytes = new byte[headerSize];
 
             using (var ms = new MemoryStream(bytes))
             using (var bw = new BinaryWriter(ms))
             {
+                // TODO : Legacy 対応
                 bw.Write(signature);
                 bw.Write(companyCode);
                 bw.Write(version);
@@ -145,8 +177,13 @@ namespace TwlBackupBlock
                 bw.Write(tmdReserved.GetBytes());
                 bw.Write(headerVersion);
                 bw.Write(reserved);
+                if (type == BkpType.WITH_PRIVATE_SAVE)
+                {
+                    bw.Write(privateSaveForWPS);
+                    bw.Write(reservedForWPS);
+                }
 
-                Debug.Assert(ms.Position == HEADER_SIZE);
+                Debug.Assert(ms.Position == headerSize);
             }
 
             return bytes;
@@ -158,15 +195,16 @@ namespace TwlBackupBlock
             {
                 throw new ArgumentNullException("bytes");
             }
-            if (bytes.Length != HEADER_SIZE)
+            if (bytes.Length != headerSize)
             {
-                string message = string.Format("bytes.Length != {0} (bytes.Length:{1})", HEADER_SIZE, bytes.Length);
+                string message = string.Format("bytes.Length != {0} (bytes.Length:{1})", headerSize, bytes.Length);
                 throw new ArgumentException("bytes", message);
             }
 
             using (var ms = new MemoryStream(bytes))
             using (var br = new ExtBinaryReader(ms))
             {
+                // TODO : Legacy 対応
                 br.Read(ref signature);
                 br.Read(ref companyCode);
                 br.Read(ref version);
@@ -184,14 +222,19 @@ namespace TwlBackupBlock
                 }
                 br.Read(ref headerVersion);
                 br.Read(reserved);
+                if (type == BkpType.WITH_PRIVATE_SAVE)
+                {
+                    br.Read(ref privateSaveForWPS);
+                    br.Read(reservedForWPS);
+                }
 
-                Debug.Assert(ms.Position == HEADER_SIZE);
+                Debug.Assert(ms.Position == headerSize);
             }
         }
 
         public override object Clone()
         {
-            return new HeaderBody(GetBytes());
+            return new HeaderBody(GetBytes(), type);
         }
     }
 }

TwlBkpCheck/Windows/TWLBackupBlock/LegacyHeaderBody.cs

@@ -1,185 +0,0 @@
-using System;
-using System.IO;
-using System.Diagnostics;
-
-namespace TwlBackupBlock
-{
-    /// <summary>
-    /// ヘッダブロックのデータ本体。
-    /// </summary>
-    public class LegacyHeaderBody : AbstractBody
-    {
-        public const int HEADER_SIZE = 160;
-
-        public const int UNIQUE_ID_SIZE = 32;
-        public const int HARDWARE_ID_SIZE = 16;
-        public const int NUM_OF_SECTION = 4;
-        public const int TMD_RESERVED_SIZE = 62;
-        public const int RESERVED_SIZE = 4;
-
-        public UInt32 signature;
-        public UInt16 companyCode;
-        public UInt16 version;
-        public readonly Byte[] uniqueId;
-        public readonly Byte[] hardwareId;
-        public UInt64 titleId;
-        public Int64 requiredSize;
-        public readonly UInt32[] fileSizes;
-        public UInt32 contentId;
-        public readonly TmdReserved tmdReserved;
-        public UInt16 contentIndex;
-        public readonly Byte[] reserved;
-
-        public LegacyHeaderBody(byte[] data)
-        {
-            if (data == null)
-            {
-                throw new ArgumentNullException("data");
-            }
-            if (data.Length != HEADER_SIZE)
-            {
-                string message = string.Format("data.Length % {0} != 0 (data.Length:{1})", HEADER_SIZE, data.Length);
-                throw new ArgumentException("data", message);
-            }
-
-            uniqueId = new Byte[UNIQUE_ID_SIZE];
-            hardwareId = new Byte[HARDWARE_ID_SIZE];
-            fileSizes = new UInt32[NUM_OF_SECTION];
-            tmdReserved = new TmdReserved();
-            reserved = new Byte[RESERVED_SIZE];
-
-            SetBytes(data);
-        }
-
-        public override byte this[int index]
-        {
-            get
-            {
-                if (index < 0 || index >= HEADER_SIZE)
-                {
-                    throw new ArgumentException("index");
-                }
-                return ReadByte(index);
-            }
-            set
-            {
-                if (index < 0 || index >= HEADER_SIZE)
-                {
-                    throw new ArgumentException("index");
-                }
-                WriteByte(index, value);
-            }
-        }
-
-        public override int Length
-        {
-            get
-            {
-                return HEADER_SIZE;
-            }
-        }
-
-        /// <summary>
-        /// 指定したバイトを取得します。
-        /// </summary>
-        /// <param name="index">取得したいバイトのインデックス。</param>
-        /// <returns><paramref name="index"/>で指定したバイト</returns>
-        public byte ReadByte(int index)
-        {
-            if (index < 0 || index >= HEADER_SIZE)
-            {
-                throw new ArgumentException("index");
-            }
-            // TODO 処理が遅ければ効率化
-            byte[] bytes = GetBytes();
-            return bytes[index];
-        }
-
-        /// <summary>
-        /// 指定したバイトを書き換えます。
-        /// </summary>
-        /// <param name="index">書き換えたいバイトのインデックス。</param>
-        /// <param name="b">上書きに使うバイト。</param>
-        public void WriteByte(int index, byte b)
-        {
-            if (index < 0 || index >= HEADER_SIZE)
-            {
-                throw new ArgumentException("index");
-            }
-            // TODO 処理が遅ければ効率化
-            byte[] bytes = GetBytes();
-            bytes[index] = b;
-            SetBytes(bytes);
-        }
-
-        public override byte[] GetBytes()
-        {
-            byte[] bytes = new byte[HEADER_SIZE];
-
-            using (var ms = new MemoryStream(bytes))
-            using (var bw = new BinaryWriter(ms))
-            {
-                bw.Write(signature);
-                bw.Write(companyCode);
-                bw.Write(version);
-                bw.Write(uniqueId);
-                bw.Write(hardwareId);
-                bw.Write(titleId);
-                bw.Write(requiredSize);
-                foreach (UInt32 e in fileSizes)
-                {
-                    bw.Write(e);
-                }
-                bw.Write(contentId);
-                bw.Write(tmdReserved.GetBytes());
-                bw.Write(contentIndex);
-                bw.Write(reserved);
-
-                Debug.Assert(ms.Position == HEADER_SIZE);
-            }
-
-            return bytes;
-        }
-
-        public override void SetBytes(byte[] bytes)
-        {
-            if (bytes == null)
-            {
-                throw new ArgumentNullException("bytes");
-            }
-            if (bytes.Length != HEADER_SIZE)
-            {
-                string message = string.Format("bytes.Length != {0} (bytes.Length:{1})", HEADER_SIZE, bytes.Length);
-                throw new ArgumentException("bytes", message);
-            }
-
-            using (var ms = new MemoryStream(bytes))
-            using (var br = new ExtBinaryReader(ms))
-            {
-                br.Read(ref signature);
-                br.Read(ref companyCode);
-                br.Read(ref version);
-                br.Read(uniqueId);
-                br.Read(hardwareId);
-                br.Read(ref titleId);
-                br.Read(ref requiredSize);
-                br.Read(fileSizes);
-                br.Read(ref contentId);
-                {
-                    byte[] tmdReservedBytes = new byte[TMD_RESERVED_SIZE];
-                    br.Read(tmdReservedBytes);
-                    tmdReserved.SetBytes(tmdReservedBytes);
-                }
-                br.Read(ref contentIndex);
-                br.Read(reserved);
-
-                Debug.Assert(ms.Position == HEADER_SIZE);
-            }
-        }
-
-        public override object Clone()
-        {
-            return new HeaderBody(GetBytes());
-        }
-    }
-}

TwlBkpCheck/Windows/TWLBackupBlock/SignatureBody.cs

@@ -10,22 +10,38 @@ namespace TwlBackupBlock
     public class TwlBackupHashSet
     {
         public const int HASH_SIZE = 32;
-        public const int NUM_OF_SECTION        = 11;
+        public const int NUM_OF_SECTION_NORMAL = 11;
-        public const int NUM_OF_LEGACY_SECTION = 4;
+        public const int NUM_OF_SECTION_EX = 12;
+        public const int NUM_OF_SECTION_LEGACY = 4;
 
         public readonly byte[] banner;
         public readonly byte[] header;
         public readonly byte[][] section;
 
+        private BkpType type;
+
         /// <summary>
         /// コンストラクタ。
         /// </summary>
-        public TwlBackupHashSet(bool isLegacy = false)
+        public TwlBackupHashSet(BkpType type)
         {
+            this.type = type;
+
             banner = new byte[HASH_SIZE];
             header = new byte[HASH_SIZE];
-            section = isLegacy ?
+
-                new byte[NUM_OF_LEGACY_SECTION][] : new byte[NUM_OF_SECTION][];
+            if (this.type == BkpType.NORMAL)
+            {
+                section = new byte[NUM_OF_SECTION_NORMAL][];
+            }
+            else if (this.type == BkpType.WITH_PRIVATE_SAVE)
+            {
+                section = new byte[NUM_OF_SECTION_EX][];
+            }
+            else if (this.type == BkpType.LEGACY)
+            {
+                section = new byte[NUM_OF_SECTION_LEGACY][];
+            }
             for (int i = 0; i < section.Length; i++)
             {
                 section[i] = new byte[HASH_SIZE];
@@ -37,8 +53,9 @@ namespace TwlBackupBlock
     /// </summary>
     public class SignatureBody : AbstractBody
     {
-        public const int SIGNATURE_SIZE = 1248;
+        public const int SIGNATURE_SIZE_NORMAL = 1248;
-        public const int LEGACY_SIGNATURE_SIZE = 1024;
+        public const int SIGNATURE_SIZE_EX = 1280;
+        public const int SIGNATURE_SIZE_LEGACY = 1024;
 
         public const int ECC_SIGN_SIZE = 60;
         public const int ECC_CERT_SIZE = 384;
@@ -48,19 +65,36 @@ namespace TwlBackupBlock
         public readonly byte[][] cert;
         public UInt32 reserved;
 
-        public SignatureBody(byte[] data)
+        private BkpType type;
+        private int signatureSize;
+
+        public SignatureBody(byte[] data, BkpType type)
         {
+            this.type = type;
+            switch (this.type)
+            {
+                case BkpType.NORMAL:
+                    signatureSize = SIGNATURE_SIZE_NORMAL;
+                    break;
+                case BkpType.WITH_PRIVATE_SAVE:
+                    signatureSize = SIGNATURE_SIZE_EX;
+                    break;
+                case BkpType.LEGACY:
+                    signatureSize = SIGNATURE_SIZE_LEGACY;
+                    break;
+            }
+
             if (data == null)
             {
                 throw new ArgumentNullException("data");
             }
-            if (data.Length != SIGNATURE_SIZE)
+            if (data.Length != signatureSize)
             {
-                string message = string.Format("data.Length % {0} != 0 (data.Length:{1})", SIGNATURE_SIZE, data.Length);
+                string message = string.Format("data.Length % {0} != 0 (data.Length:{1})", signatureSize, data.Length);
                 throw new ArgumentException("data", message);
             }
 
-            digest = new TwlBackupHashSet();
+            digest = new TwlBackupHashSet(this.type);
             sign = new byte[ECC_SIGN_SIZE];
             cert = new byte[2][];
             for (int i = 0; i < cert.Length; i++)
@@ -75,7 +109,7 @@ namespace TwlBackupBlock
         {
             get
             {
-                if (index < 0 || index >= SIGNATURE_SIZE)
+                if (index < 0 || index >= signatureSize)
                 {
                     throw new ArgumentException("index");
                 }
@@ -83,7 +117,7 @@ namespace TwlBackupBlock
             }
             set
             {
-                if (index < 0 || index >= SIGNATURE_SIZE)
+                if (index < 0 || index >= signatureSize)
                 {
                     throw new ArgumentException("index");
                 }
@@ -95,7 +129,7 @@ namespace TwlBackupBlock
         {
             get
             {
-                return SIGNATURE_SIZE;
+                return signatureSize;
             }
         }
 
@@ -106,7 +140,7 @@ namespace TwlBackupBlock
         /// <returns><paramref name="index"/>で指定したバイト</returns>
         public byte ReadByte(int index)
         {
-            if (index < 0 || index >= SIGNATURE_SIZE)
+            if (index < 0 || index >= signatureSize)
             {
                 throw new ArgumentException("index");
             }
@@ -122,7 +156,7 @@ namespace TwlBackupBlock
         /// <param name="b">上書きに使うバイト。</param>
         public void WriteByte(int index, byte b)
         {
-            if (index < 0 || index >= SIGNATURE_SIZE)
+            if (index < 0 || index >= signatureSize)
             {
                 throw new ArgumentException("index");
             }
@@ -134,7 +168,7 @@ namespace TwlBackupBlock
 
         public override byte[] GetBytes()
         {
-            byte[] bytes = new byte[SIGNATURE_SIZE];
+            byte[] bytes = new byte[signatureSize];
 
             using (var ms = new MemoryStream(bytes))
             using (var bw = new BinaryWriter(ms))
@@ -152,7 +186,7 @@ namespace TwlBackupBlock
                 }
                 bw.Write(reserved);
 
-                Debug.Assert(ms.Position == SIGNATURE_SIZE);
+                Debug.Assert(ms.Position == signatureSize);
             }
 
             return bytes;
@@ -164,9 +198,9 @@ namespace TwlBackupBlock
             {
                 throw new ArgumentNullException("bytes");
             }
-            if (bytes.Length != SIGNATURE_SIZE)
+            if (bytes.Length != signatureSize)
             {
-                string message = string.Format("bytes.Length != {0} (bytes.Length:{1})", SIGNATURE_SIZE, bytes.Length);
+                string message = string.Format("bytes.Length != {0} (bytes.Length:{1})", signatureSize, bytes.Length);
                 throw new ArgumentException("bytes", message);
             }
 
@@ -186,13 +220,13 @@ namespace TwlBackupBlock
                 }
                 br.Read(ref reserved);
 
-                Debug.Assert(ms.Position == SIGNATURE_SIZE);
+                Debug.Assert(ms.Position == signatureSize);
             }
         }
 
         public override object Clone()
         {
-            return new SignatureBody(GetBytes());
+            return new SignatureBody(GetBytes(), type);
         }
     }
 }

TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj

@@ -58,7 +58,6 @@
     <Compile Include="AesCmac.cs" />
     <Compile Include="Body.cs" />
     <Compile Include="ExtBinaryReader.cs" />
-    <Compile Include="LegacyHeaderBody.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>