Fix bug for small encrypted regions

Author: Deterous

IRDKit/IRDKit.csproj

@@ -11,7 +11,7 @@
     <LangVersion>latest</LangVersion>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Version>0.7.1</Version>
+    <Version>0.8.0</Version>
 
     <!-- Package Properties -->
     <Authors>Deterous</Authors>

LibIRD/IRD.cs

@@ -1056,6 +1056,10 @@ private void CountFiles(DiscDirectoryInfo dir)
                 CountFiles(dirInfo);
         }
 
+        #endregion
+
+        #region Hashing
+
         /// <summary>
         /// Calculate hashes for all region and file extents
         /// </summary>
@@ -1201,7 +1205,7 @@ private void HashISO(FileStream fs, bool redump)
 
                         // Don't decrypt last sectors if the encrypted region ends within this buffer
                         if (RegionEnd[i] < currentSector + bufSectors)
-                            encCount -= (int)(currentSector + bufSectors - RegionEnd[i] + 1);
+                            encCount -= (int)(currentSector + bufSectors - RegionEnd[i] - 1);
 
                         // Decrypt encrypted sectors
                         DecryptSectors(ref buf, (int)currentSector + encOffset, encOffset, encCount);

LibIRD/LibIRD.csproj

@@ -7,7 +7,7 @@
     <LangVersion>latest</LangVersion>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Version>0.7.1</Version>
+    <Version>0.8.0</Version>
     <PackageOutputPath>../nupkg</PackageOutputPath>
 
     <!-- Package Properties -->