private void DiveByteSimple(ByteString candidate, int level, int searchLength, int currentUtf8Value = 0)
{
int levelp = level + 1;
byte[] charsetBytes;
if (currentUtf8Value > 127 && _mappingBytes.ContainsKey(currentUtf8Value))
{
charsetBytes = _mappingBytes[currentUtf8Value];
}
else
{
charsetBytes = _validBytes;
currentUtf8Value = 0;
}
foreach (byte b in charsetBytes)
{
if (levelp < searchLength)
{
candidate.Append(b);
DiveByteSimple(candidate, levelp, searchLength, (currentUtf8Value << 8) + b);
candidate.Cursor -= 1;
continue;
}
candidate.Replace(b);
if (candidate.CRC32Check())
{
_logger.LogResult(candidate.ToString());
}
}
}
private void DiveByteSimple(ByteString candidate, int level, int searchLength, bool shouldInterruptAtFirstResult = false)
{
int levelp = level + 1;
foreach (byte b in _validBytes)
{
if (_interruptThreads)
{
break;
}
if (levelp < searchLength)
{
candidate.Append(b);
DiveByteSimple(candidate, levelp, searchLength, shouldInterruptAtFirstResult);
candidate.Cursor -= 1;
continue;
}
candidate.Replace(b);
if (candidate.CRC32Check())
{
if (shouldInterruptAtFirstResult)
{
_logger.LogResult($"False positive found: 0x{candidate.HexSearchValue:x}.");
_hexExtract = candidate.HexSearchValue;
_interruptThreads = true;
}
else
{
_logger.LogResult(candidate.ToString());
}
}
}
}
private void DiveByteSimple(ByteString candidate, int level, int searchLength)
{
int levelp = level + 1;
foreach (byte b in _validBytes)
{
if (levelp < searchLength)
{
candidate.Append(b);
DiveByteSimple(candidate, levelp, searchLength);
candidate.Cursor -= 1;
continue;
}
candidate.Replace(b);
if (candidate.CRC32Check())
{
_logger.LogResult(candidate.ToString());
}
}
}
private void DiveByte(ByteString candidate, int level, int searchLength, int[] levelTable, int patternPosition)
{
int levelp = level + levelTable[level];
foreach (byte b in _validBytes)
{
if (levelp < searchLength)
{
candidate.Replace(b);
candidate.Cursor += levelTable[level];
DiveByte(candidate, levelp, searchLength, levelTable, patternPosition);
candidate.Cursor -= levelTable[level];
continue;
}
candidate.Replace(b);
if (candidate.CRC32Check())
{
_logger.LogResult(candidate.ToString());
}
}
}
