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