Example #1
0
            public Matcher(FNVUnhasher64 parent, int minIndex, int maxIndex)
            {
                mParent   = parent;
                mMinIndex = minIndex;
                mMaxIndex = maxIndex;

                mMaxLevel   = parent.mMaxLevel;
                mPrefixHash = parent.mPrefixHash;
            }
Example #2
0
            public Matcher(FNVUnhasher64 parent, int minIndex, int maxIndex)
            {
                mParent = parent;
                mMinIndex = minIndex;
                mMaxIndex = maxIndex;

                mMaxLevel = parent.mMaxLevel;
                mPrefixHash = parent.mPrefixHash;
            }
Example #3
0
 protected override void OnClosing(CancelEventArgs e)
 {
     if (this.unhasher32 != null)
     {
         this.unhasher32.Stop();
         this.unhasher32 = null;
     }
     if (this.unhasher64 != null)
     {
         this.unhasher64.Stop();
         this.unhasher64 = null;
     }
     base.OnClosing(e);
 }
Example #4
0
 private void unhash_Click(object sender, EventArgs e)
 {
     string unhashCmbStr = unhashCmb.SelectedItem as string;
     if (this.unhasher32 != null && !this.unhasher32.Finished)
         return;
     if (this.unhasher64 != null && !this.unhasher64.Finished)
         return;
     if (unhashCmbStr == null)
         MessageBox.Show("No Unhashing Algorithm selected", "Error",
             MessageBoxButtons.OK, MessageBoxIcon.Error);
     else if (unhashCmbStr.Equals(kFNV32) || unhashCmbStr.Equals(kXor32))
     {
         if (this.unhasher64 != null)
         {
             this.unhasher64.Stop();
             this.unhasher64 = null;
         }
         if (this.unhasher32 == null || this.unhasher32.Finished)
         {
             uint hash;
             string input = this.inputTxt.Text;
             if (input.StartsWith("0x"))
                 input = input.Substring(2);
             else if (input.StartsWith("0X"))
                 input = input.Substring(2);
             if (uint.TryParse(input, System.Globalization.NumberStyles.HexNumber,
                 System.Globalization.CultureInfo.CurrentCulture, out hash))
             {
                 bool xorFold = !unhashCmbStr.Equals(kFNV32);
                 if (xorFold && (hash & filter32) > 0xffffffU)
                 {
                     MessageBox.Show("Xor 32 will never find matches for 0x" + (hash & filter32).ToString("X8")
                         + ".\nIt is greater than 24 bits in length.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
                 else
                 {
                     this.resultsLST.Items.Add("Unhash results for 0x" + hash.ToString("X8"));
                     int maxChars = (int)this.maxCharsNUM.Value;
                     int maxMatches = (int)this.maxMatchesNUM.Value;
                     this.unhasher32 = new FNVUnhasher32(hash, this.searchTable, maxChars, maxMatches, xorFold, filter32);
                     this.prevResultCount = 0;
                     this.unhasher32.Start();
                     this.updateTimer.Start();
                 }
             }
         }
     }
     else if (unhashCmbStr.Equals(kFNV64) || unhashCmbStr.Equals(kXor64))
     {
         if (this.unhasher32 != null)
         {
             this.unhasher32.Stop();
             this.unhasher32 = null;
         }
         if (this.unhasher64 == null || this.unhasher64.Finished)
         {
             ulong hash;
             string input = this.inputTxt.Text;
             if (input.StartsWith("0x"))
                 input = input.Substring(2);
             else if (input.StartsWith("0X"))
                 input = input.Substring(2);
             if (ulong.TryParse(input, System.Globalization.NumberStyles.HexNumber,
                 System.Globalization.CultureInfo.CurrentCulture, out hash))
             {
                 bool xorFold = !unhashCmbStr.Equals(kFNV64);
                 if (xorFold && (hash & filter64) > 0xffffffffffffUL)
                 {
                     MessageBox.Show("Xor 64 will never find matches for 0x" + (hash & filter64).ToString("X16")
                         + ".\nIt is greater than 48 bits in length.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
                 else
                 {
                     this.resultsLST.Items.Add("Unhash results for 0x" + hash.ToString("X16"));
                     int maxChars = (int)this.maxCharsNUM.Value;
                     int maxMatches = (int)this.maxMatchesNUM.Value;
                     this.unhasher64 = new FNVUnhasher64(hash, this.searchTable, maxChars, maxMatches, xorFold, filter64);
                     this.prevResultCount = 0;
                     this.unhasher64.Start();
                     this.updateTimer.Start();
                 }
             }
         }
     }
 }
Example #5
0
 private void stopUnhash_Click(object sender, EventArgs e)
 {
     if (this.unhasher32 != null)
     {
         this.unhasher32.Stop();
         this.unhasher32 = null;
     }
     if (this.unhasher64 != null)
     {
         this.unhasher64.Stop();
         this.unhasher64 = null;
     }
 }