diff --git a/CRC32Context.cs b/CRC32Context.cs
index afdb918..b7531a6 100644
--- a/CRC32Context.cs
+++ b/CRC32Context.cs
@@ -39,10 +39,8 @@ namespace Aaru.Checksums
     /// <summary>Implements a CRC32 algorithm</summary>
     public class Crc32Context : IChecksum
     {
-        const uint CRC32_ISO_POLY        = 0xEDB88320;
-        const uint CRC32_ISO_SEED        = 0xFFFFFFFF;
-        const uint CRC32_CASTAGNOLI_POLY = 0x8F6E37A0;
-        const uint CRC32_CASTAGNOLI_SEED = 0xFFFFFFFF;
+        const uint CRC32_ISO_POLY = 0xEDB88320;
+        const uint CRC32_ISO_SEED = 0xFFFFFFFF;
 
         readonly uint   finalSeed;
         readonly uint[] table;
diff --git a/SpamSumContext.cs b/SpamSumContext.cs
index 7f409e9..01b88ce 100644
--- a/SpamSumContext.cs
+++ b/SpamSumContext.cs
@@ -266,7 +266,7 @@ namespace Aaru.Checksums
 
         // CLAUNIA: Flags seems to never be used in ssdeep, so I just removed it for code simplicity
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        uint FuzzyDigest(out byte[] result)
+        void FuzzyDigest(out byte[] result)
         {
             var  sb     = new StringBuilder();
             uint bi     = self.Bhstart;
@@ -315,7 +315,7 @@ namespace Aaru.Checksums
 
             Array.Copy(Encoding.ASCII.GetBytes(sb.ToString()), 0, result, 0, i);
 
-            resultOff += i;
+            resultOff = i;
 
             i = (int)self.Bh[bi].Dlen;
 
@@ -431,8 +431,6 @@ namespace Aaru.Checksums
             }
 
             result[resultOff] = 0;
-
-            return 0;
         }
 
         /// <summary>Gets the hash of a file</summary>