/// <summary>
/// Generate hash for passwords
/// </summary>
/// <param name="indata"></param>
/// <param name="challenge"></param>
/// <param name="options"></param>
/// <returns></returns>
public static string GenerateHash(string indata, string challenge, Options options)
{
Sum sum = new Sum(options);
sum.Init(0);
sum.Update(Encoding.ASCII.GetBytes(indata), 0, indata.Length);
sum.Update(Encoding.ASCII.GetBytes(challenge), 0, challenge.Length);
byte[] buf = sum.End();
string hash = Convert.ToBase64String(buf);
return hash.Substring(0, (buf.Length * 8 + 5) / 6);
}
/// <summary>
/// Generate hash for passwords
/// </summary>
/// <param name="indata"></param>
/// <param name="challenge"></param>
/// <param name="options"></param>
/// <returns></returns>
public static string GenerateHash(string indata, string challenge, Options options)
{
var sum = new Sum(options);
sum.Init(0);
sum.Update(Encoding.ASCII.GetBytes(indata), 0, indata.Length);
sum.Update(Encoding.ASCII.GetBytes(challenge), 0, challenge.Length);
var buf = sum.End();
var hash = Convert.ToBase64String(buf);
return(hash.Substring(0, (buf.Length * 8 + 5) / 6));
}
public static string gen_challenge(string addr, Options opt)
{
string challenge = "";
byte[] input = new byte[32];
DateTime tv = DateTime.Now;
for(int i=0; i < addr.Length; i++)
input[i] = Convert.ToByte(addr[i]);
CheckSum.SIVAL(ref input, 16, (UInt32)tv.Second);
CheckSum.SIVAL(ref input, 20, (UInt32)tv.Hour);
CheckSum.SIVAL(ref input, 24, (UInt32)tv.Day);
Sum sum = new Sum(opt);
sum.Init(0);
sum.Update(input,0,input.Length);
challenge = Encoding.ASCII.GetString(sum.End());
return challenge;
}
/// <summary>
/// Generates challenge using time as vector
/// </summary>
/// <param name="addr"></param>
/// <param name="opt"></param>
/// <returns></returns>
public static string GenerateChallenge(string addr, Options opt)
{
var challenge = String.Empty;
var input = new byte[32];
var timeVector = DateTime.Now;
for (var i = 0; i < addr.Length; i++)
{
input[i] = Convert.ToByte(addr[i]);
}
CheckSum.Sival(ref input, 16, (UInt32)timeVector.Second);
CheckSum.Sival(ref input, 20, (UInt32)timeVector.Hour);
CheckSum.Sival(ref input, 24, (UInt32)timeVector.Day);
var sum = new Sum(opt);
sum.Init(0);
sum.Update(input, 0, input.Length);
challenge = Encoding.ASCII.GetString(sum.End());
return(challenge);
}
public static string gen_challenge(string addr, Options opt)
{
string challenge = "";
byte[] input = new byte[32];
DateTime tv = DateTime.Now;
for (int i = 0; i < addr.Length; i++)
{
input[i] = Convert.ToByte(addr[i]);
}
CheckSum.SIVAL(ref input, 16, (UInt32)tv.Second);
CheckSum.SIVAL(ref input, 20, (UInt32)tv.Hour);
CheckSum.SIVAL(ref input, 24, (UInt32)tv.Day);
Sum sum = new Sum(opt);
sum.Init(0);
sum.Update(input, 0, input.Length);
challenge = Encoding.ASCII.GetString(sum.End());
return(challenge);
}
public void MatchSums(IOStream f, SumStruct s, MapFile buf, int len)
{
byte[] fileSum = new byte[CheckSum.MD4_SUM_LENGTH];
lastMatch = 0;
falseAlarms = 0;
tagHits = 0;
matches = 0;
dataTransfer = 0;
Sum sum = new Sum(options);
sum.Init(options.checksumSeed);
if (len > 0 && s.count > 0)
{
BuildHashTable(s);
if (options.verbose > 2)
{
Log.WriteLine("built hash table");
}
HashSearch(f, s, buf, len, sum);
if (options.verbose > 2)
{
Log.WriteLine("done hash search");
}
}
else
{
for (int j = 0; j < len - CHUNK_SIZE; j += CHUNK_SIZE)
{
int n1 = Math.Min(CHUNK_SIZE, (len - CHUNK_SIZE) - j);
Matched(f, s, buf, j + n1, -2, sum);
}
Matched(f, s, buf, len, -1, sum);
}
fileSum = sum.End();
if (buf != null && buf.status)
{
fileSum[0]++;
}
if (options.verbose > 2)
{
Log.WriteLine("sending fileSum");
}
f.Write(fileSum, 0, CheckSum.MD4_SUM_LENGTH);
targets.Clear();
if (options.verbose > 2)
{
Log.WriteLine("falseAlarms=" + falseAlarms + " tagHits=" + tagHits + " matches=" + matches);
}
totalTagHits += tagHits;
totalFalseAlarms += falseAlarms;
totalMatches += matches;
Options.stats.literalData += dataTransfer;
}
public void MatchSums(IOStream f, SumStruct s, MapFile buf, int len)
{
byte[] fileSum = new byte[CheckSum.MD4_SUM_LENGTH];
lastMatch = 0;
falseAlarms = 0;
tagHits = 0;
matches = 0;
dataTransfer = 0;
Sum sum = new Sum(options);
sum.Init(options.checksumSeed);
if (len > 0 && s.count>0)
{
BuildHashTable(s);
if (options.verbose > 2)
Log.WriteLine("built hash table");
HashSearch(f,s,buf,len, sum);
if (options.verbose > 2)
Log.WriteLine("done hash search");
}
else
{
for (int j = 0; j < len - CHUNK_SIZE; j += CHUNK_SIZE)
{
int n1 = Math.Min(CHUNK_SIZE,(len-CHUNK_SIZE)-j);
Matched(f,s,buf,j+n1,-2, sum);
}
Matched(f,s,buf,len,-1,sum);
}
fileSum = sum.End();
if (buf != null && buf.status)
fileSum[0]++;
if (options.verbose > 2)
Log.WriteLine("sending fileSum");
f.Write(fileSum, 0, CheckSum.MD4_SUM_LENGTH);
targets.Clear();
if (options.verbose > 2)
Log.WriteLine("falseAlarms=" + falseAlarms + " tagHits=" + tagHits + " matches=" + matches);
totalTagHits += tagHits;
totalFalseAlarms += falseAlarms;
totalMatches += matches;
Options.stats.literalData += dataTransfer;
}
public bool ReceiveData(ClientInfo clientInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
IOStream f = clientInfo.IoStream;
byte[] fileSum1 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] fileSum2 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] data = new byte[Match.CHUNK_SIZE];
SumStruct sumStruct = new SumStruct();
MapFile mapBuf = null;
Sender sender = new Sender(options);
sender.ReadSumHead(clientInfo, ref sumStruct);
int offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
int mapSize = (int)Math.Max(sumStruct.bLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sumStruct.bLength);
if (options.verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
}
Sum sum = new Sum(options);
sum.Init(options.checksumSeed);
int i;
Token token = new Token(options);
while ((i = token.ReceiveToken(f, ref data, 0)) != 0)
{
if (options.doProgress)
{
Progress.ShowProgress(offset, totalSize);
}
if (i > 0)
{
if (options.verbose > 3)
{
Log.WriteLine("data recv " + i + " at " + offset);
}
Options.stats.literalData += i;
sum.Update(data, 0, i);
if (fd != null && FileIO.WriteFile(fd, data, 0, i) != i)
{
goto report_write_error;
}
offset += i;
continue;
}
i = -(i + 1);
int offset2 = (int)(i * sumStruct.bLength);
len = sumStruct.bLength;
if (i == sumStruct.count - 1 && sumStruct.remainder != 0)
{
len = sumStruct.remainder;
}
Options.stats.matchedData += len;
if (options.verbose > 3)
{
Log.WriteLine("chunk[" + i + "] of size " + len + " at " + offset2 + " offset=" + offset);
}
byte[] map = null;
int off = 0;
if (mapBuf != null)
{
off = mapBuf.MapPtr(offset2, (int)len);
map = mapBuf.p;
token.SeeToken(map, offset, (int)len);
sum.Update(map, off, (int)len);
}
if (options.inplace)
{
if (offset == offset2 && fd != null)
{
offset += (int)len;
if (fd.Seek(len, SeekOrigin.Current) != offset)
{
MainClass.Exit("seek failed on " + Util.fullFileName(fileName), clientInfo);
}
continue;
}
}
if (fd != null && FileIO.WriteFile(fd, map, off, (int)len) != (int)len)
{
goto report_write_error;
}
offset += (int)len;
}
if (options.doProgress)
{
Progress.EndProgress(totalSize);
}
if (fd != null && offset > 0 && FileIO.SparseEnd(fd) != 0)
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), clientInfo);
}
fileSum1 = sum.End();
if (mapBuf != null)
{
mapBuf = null;
}
fileSum2 = f.ReadBuffer(CheckSum.MD4_SUM_LENGTH);
if (options.verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemoryCompare(fileSum1, 0, fileSum2, 0, CheckSum.MD4_SUM_LENGTH) != 0)
{
return false;
}
return true;
report_write_error:
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), clientInfo);
}
return true;
}
public void MatchSums(IoStream f, SumStruct s, MapFile buf, int len)
{
var fileSum = new byte[CheckSum.Md4SumLength];
_lastMatch = 0;
_falseAlarms = 0;
_tagHits = 0;
_matches = 0;
_dataTransfer = 0;
var sum = new Sum(_options);
sum.Init(_options.ChecksumSeed);
if (len > 0 && s.Count > 0)
{
BuildHashTable(s);
if (_options.Verbose > 2)
{
Log.WriteLine("built hash table");
}
HashSearch(f, s, buf, len, sum);
if (_options.Verbose > 2)
{
Log.WriteLine("done hash search");
}
}
else
{
for (var j = 0; j < len - ChunkSize; j += ChunkSize)
{
var n1 = Math.Min(ChunkSize, (len - ChunkSize) - j);
Matched(f, s, buf, j + n1, -2, sum);
}
Matched(f, s, buf, len, -1, sum);
}
fileSum = sum.End();
if (buf != null && buf.Status)
{
fileSum[0]++;
}
if (_options.Verbose > 2)
{
Log.WriteLine("sending fileSum");
}
f.Write(fileSum, 0, CheckSum.Md4SumLength);
_targets.Clear();
if (_options.Verbose > 2)
{
Log.WriteLine("falseAlarms=" + _falseAlarms + " tagHits=" + _tagHits + " matches=" + _matches);
}
_totalTagHits += _tagHits;
_totalFalseAlarms += _falseAlarms;
_totalMatches += _matches;
Options.Stats.LiteralData += _dataTransfer;
}
public bool ReceiveData(ClientInfo clientInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
var f = clientInfo.IoStream;
var fileSum1 = new byte[CheckSum.Md4SumLength];
var fileSum2 = new byte[CheckSum.Md4SumLength];
var data = new byte[Match.ChunkSize];
var sumStruct = new SumStruct();
MapFile mapBuf = null;
var sender = new Sender(_options);
sender.ReadSumHead(clientInfo, ref sumStruct);
var offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
var mapSize = (int)Math.Max(sumStruct.BLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sumStruct.BLength);
if (_options.Verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
}
var sum = new Sum(_options);
sum.Init(_options.ChecksumSeed);
int i;
var token = new Token(_options);
while ((i = token.ReceiveToken(f, ref data, 0)) != 0)
{
if (_options.DoProgress)
{
Progress.ShowProgress(offset, totalSize);
}
if (i > 0)
{
if (_options.Verbose > 3)
{
Log.WriteLine("data recv " + i + " at " + offset);
}
Options.Stats.LiteralData += i;
sum.Update(data, 0, i);
if (fd != null && FileIo.WriteFile(fd, data, 0, i) != i)
{
goto report_write_error;
}
offset += i;
continue;
}
i = -(i + 1);
var offset2 = (int)(i * sumStruct.BLength);
len = sumStruct.BLength;
if (i == sumStruct.Count - 1 && sumStruct.Remainder != 0)
{
len = sumStruct.Remainder;
}
Options.Stats.MatchedData += len;
if (_options.Verbose > 3)
{
Log.WriteLine("chunk[" + i + "] of size " + len + " at " + offset2 + " offset=" + offset);
}
byte[] map = null;
var off = 0;
if (mapBuf != null)
{
off = mapBuf.MapPtr(offset2, (int)len);
map = mapBuf.P;
token.SeeToken(map, offset, (int)len);
sum.Update(map, off, (int)len);
}
if (_options.Inplace)
{
if (offset == offset2 && fd != null)
{
offset += (int)len;
if (fd.Seek(len, SeekOrigin.Current) != offset)
{
WinRsync.Exit("seek failed on " + Util.FullFileName(fileName), clientInfo);
}
continue;
}
}
if (fd != null && FileIo.WriteFile(fd, map, off, (int)len) != (int)len)
{
goto report_write_error;
}
offset += (int)len;
}
if (_options.DoProgress)
{
Progress.EndProgress(totalSize);
}
if (fd != null && offset > 0 && FileIo.SparseEnd(fd) != 0)
{
WinRsync.Exit("write failed on " + Util.FullFileName(fileName), clientInfo);
}
fileSum1 = sum.End();
if (mapBuf != null)
{
mapBuf = null;
}
fileSum2 = f.ReadBuffer(CheckSum.Md4SumLength);
if (_options.Verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemoryCompare(fileSum1, 0, fileSum2, 0, CheckSum.Md4SumLength) != 0)
{
return(false);
}
return(true);
report_write_error:
{
WinRsync.Exit("write failed on " + Util.FullFileName(fileName), clientInfo);
}
return(true);
}
public bool ReceiveData(ClientInfo clientInfo, string fileNameR, Stream fdR, long sizeR, string fileName, Stream fd, int totalSize)
{
IOStream f = clientInfo.IoStream;
byte[] fileSum1 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] fileSum2 = new byte[CheckSum.MD4_SUM_LENGTH];
byte[] data = new byte[Match.CHUNK_SIZE];
SumStruct sumStruct = new SumStruct();
MapFile mapBuf = null;
Sender sender = new Sender(options);
sender.ReadSumHead(clientInfo, ref sumStruct);
int offset = 0;
UInt32 len;
if (fdR != null && sizeR > 0)
{
int mapSize = (int)Math.Max(sumStruct.bLength * 2, 16 * 1024);
mapBuf = new MapFile(fdR, (int)sizeR, mapSize, (int)sumStruct.bLength);
if (options.verbose > 2)
{
Log.WriteLine("recv mapped " + fileNameR + " of size " + sizeR);
}
}
Sum sum = new Sum(options);
sum.Init(options.checksumSeed);
int i;
Token token = new Token(options);
while ((i = token.ReceiveToken(f, ref data, 0)) != 0)
{
if (options.doProgress)
{
Progress.ShowProgress(offset, totalSize);
}
if (i > 0)
{
if (options.verbose > 3)
{
Log.WriteLine("data recv " + i + " at " + offset);
}
Options.stats.literalData += i;
sum.Update(data, 0, i);
if (fd != null && FileIO.WriteFile(fd, data, 0, i) != i)
{
goto report_write_error;
}
offset += i;
continue;
}
i = -(i + 1);
int offset2 = (int)(i * sumStruct.bLength);
len = sumStruct.bLength;
if (i == sumStruct.count - 1 && sumStruct.remainder != 0)
{
len = sumStruct.remainder;
}
Options.stats.matchedData += len;
if (options.verbose > 3)
{
Log.WriteLine("chunk[" + i + "] of size " + len + " at " + offset2 + " offset=" + offset);
}
byte[] map = null;
int off = 0;
if (mapBuf != null)
{
off = mapBuf.MapPtr(offset2, (int)len);
map = mapBuf.p;
token.SeeToken(map, offset, (int)len);
sum.Update(map, off, (int)len);
}
if (options.inplace)
{
if (offset == offset2 && fd != null)
{
offset += (int)len;
if (fd.Seek(len, SeekOrigin.Current) != offset)
{
MainClass.Exit("seek failed on " + Util.fullFileName(fileName), clientInfo);
}
continue;
}
}
if (fd != null && FileIO.WriteFile(fd, map, off, (int)len) != (int)len)
{
goto report_write_error;
}
offset += (int)len;
}
if (options.doProgress)
{
Progress.EndProgress(totalSize);
}
if (fd != null && offset > 0 && FileIO.SparseEnd(fd) != 0)
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), clientInfo);
}
fileSum1 = sum.End();
if (mapBuf != null)
{
mapBuf = null;
}
fileSum2 = f.ReadBuffer(CheckSum.MD4_SUM_LENGTH);
if (options.verbose > 2)
{
Log.WriteLine("got fileSum");
}
if (fd != null && Util.MemoryCompare(fileSum1, 0, fileSum2, 0, CheckSum.MD4_SUM_LENGTH) != 0)
{
return(false);
}
return(true);
report_write_error:
{
MainClass.Exit("write failed on " + Util.fullFileName(fileName), clientInfo);
}
return(true);
}
