Ejemplo n.º 1
0
        public void Hashes()
        {
            Environment.CurrentDirectory = DataFolder;

            Assert.Multiple(() =>
            {
                foreach (TapeImageTestExpected test in Tests)
                {
                    string testFile = test.TestFile;

                    bool exists = File.Exists(testFile);
                    Assert.True(exists, $"{testFile} not found");

                    // ReSharper disable once ConditionIsAlwaysTrueOrFalse
                    // It arrives here...
                    if (!exists)
                    {
                        continue;
                    }

                    var filtersList = new FiltersList();
                    IFilter filter  = filtersList.GetFilter(testFile);
                    filter.Open(testFile);

                    var image = Activator.CreateInstance(_plugin.GetType()) as IMediaImage;
                    Assert.NotNull(image, $"Could not instantiate filesystem for {testFile}");

                    bool opened = image.Open(filter);
                    Assert.AreEqual(true, opened, $"Open: {testFile}");

                    if (!opened)
                    {
                        continue;
                    }

                    ulong doneSectors = 0;
                    var ctx           = new Md5Context();

                    while (doneSectors < image.Info.Sectors)
                    {
                        byte[] sector;

                        if (image.Info.Sectors - doneSectors >= SECTORS_TO_READ)
                        {
                            sector       = image.ReadSectors(doneSectors, SECTORS_TO_READ);
                            doneSectors += SECTORS_TO_READ;
                        }
                        else
                        {
                            sector       = image.ReadSectors(doneSectors, (uint)(image.Info.Sectors - doneSectors));
                            doneSectors += image.Info.Sectors - doneSectors;
                        }

                        ctx.Update(sector);
                    }

                    Assert.AreEqual(test.MD5, ctx.End(), $"Hash: {testFile}");
                }
            });
        }
Ejemplo n.º 2
0
 internal Dictionary <ChecksumType, string> End() => new Dictionary <ChecksumType, string>
 {
     [ChecksumType.Crc32]  = _crc32Ctx.End(),
     [ChecksumType.Md5]    = _md5Ctx.End(),
     [ChecksumType.Sha1]   = _sha1Ctx.End(),
     [ChecksumType.Sha256] = _sha256Ctx.End(),
     [ChecksumType.Sha384] = _sha384Ctx.End(),
     [ChecksumType.Sha512] = _sha512Ctx.End()
 };
Ejemplo n.º 3
0
        public void Test()
        {
            for (int i = 0; i < _testFiles.Length; i++)
            {
                string location = Path.Combine(Consts.TEST_FILES_ROOT, "Media image formats", "DiskCopy 4.2",
                                               _testFiles[i]);

                IFilter filter = new LZip();
                filter.Open(location);
                IMediaImage image = new DiscImages.DiskCopy42();
                Assert.AreEqual(true, image.Open(filter), _testFiles[i]);
                Assert.AreEqual(_sectors[i], image.Info.Sectors, _testFiles[i]);
                Assert.AreEqual(_sectorSize[i], image.Info.SectorSize, _testFiles[i]);
                Assert.AreEqual(_mediaTypes[i], image.Info.MediaType, _testFiles[i]);

                // How many sectors to read at once
                const uint sectorsToRead = 256;
                ulong      doneSectors   = 0;

                var ctx = new Md5Context();

                while (doneSectors < image.Info.Sectors)
                {
                    byte[] sector;

                    if (image.Info.Sectors - doneSectors >= sectorsToRead)
                    {
                        sector       = image.ReadSectors(doneSectors, sectorsToRead);
                        doneSectors += sectorsToRead;
                    }
                    else
                    {
                        sector       = image.ReadSectors(doneSectors, (uint)(image.Info.Sectors - doneSectors));
                        doneSectors += image.Info.Sectors - doneSectors;
                    }

                    ctx.Update(sector);
                }

                Assert.AreEqual(_md5S[i], ctx.End(), _testFiles[i]);
            }
        }
Ejemplo n.º 4
0
        public void Test()
        {
            for (int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "images", "2mg", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new DiscImages.Apple2Mg();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                Assert.AreEqual(mediatypes[i], image.Info.MediaType, testfiles[i]);

                // How many sectors to read at once
                const uint SECTORS_TO_READ = 256;
                ulong      doneSectors     = 0;

                Md5Context ctx = new Md5Context();

                while (doneSectors < image.Info.Sectors)
                {
                    byte[] sector;

                    if (image.Info.Sectors - doneSectors >= SECTORS_TO_READ)
                    {
                        sector       = image.ReadSectors(doneSectors, SECTORS_TO_READ);
                        doneSectors += SECTORS_TO_READ;
                    }
                    else
                    {
                        sector       = image.ReadSectors(doneSectors, (uint)(image.Info.Sectors - doneSectors));
                        doneSectors += image.Info.Sectors - doneSectors;
                    }

                    ctx.Update(sector);
                }

                Assert.AreEqual(md5S[i], ctx.End(), testfiles[i]);
            }
        }
Ejemplo n.º 5
0
        public void Test()
        {
            Environment.CurrentDirectory = Path.Combine(Consts.TEST_FILES_ROOT, "Media image formats", "CDRWin");

            for (int i = 0; i < _testFiles.Length; i++)
            {
                IFilter filter = new ZZZNoFilter();
                filter.Open(_testFiles[i]);
                IOpticalMediaImage image = new CdrWin();
                Assert.AreEqual(true, image.Open(filter), _testFiles[i]);
                Assert.AreEqual(_sectors[i], image.Info.Sectors, _testFiles[i]);
                Assert.AreEqual(_mediaTypes[i], image.Info.MediaType, _testFiles[i]);
                Assert.AreEqual(_tracks[i], image.Tracks.Count, _testFiles[i]);

                // How many sectors to read at once
                const uint sectorsToRead = 256;

                int trackNo = 0;

                foreach (Track currentTrack in image.Tracks)
                {
                    Assert.AreEqual(_trackSessions[i][trackNo], currentTrack.TrackSession, _testFiles[i]);
                    Assert.AreEqual(_trackStarts[i][trackNo], currentTrack.TrackStartSector, _testFiles[i]);
                    Assert.AreEqual(_trackEnds[i][trackNo], currentTrack.TrackEndSector, _testFiles[i]);
                    Assert.AreEqual(_trackPregaps[i][trackNo], currentTrack.TrackPregap, _testFiles[i]);

                    if (image.Info.ReadableSectorTags.Contains(SectorTagType.CdTrackFlags))
                    {
                        Assert.AreEqual(_trackFlags[i][trackNo],
                                        image.ReadSectorTag(currentTrack.TrackSequence, SectorTagType.CdTrackFlags)[0],
                                        _testFiles[i]);
                    }

                    trackNo++;
                }

                foreach (bool @long in new[]
                {
                    false, true
                })
                {
                    var ctx = new Md5Context();

                    foreach (Track currentTrack in image.Tracks)
                    {
                        ulong sectors     = (currentTrack.TrackEndSector - currentTrack.TrackStartSector) + 1;
                        ulong doneSectors = 0;

                        while (doneSectors < sectors)
                        {
                            byte[] sector;

                            if (sectors - doneSectors >= sectorsToRead)
                            {
                                sector =
                                    @long ? image.ReadSectorsLong(doneSectors, sectorsToRead,
                                                                  currentTrack.TrackSequence)
                                        : image.ReadSectors(doneSectors, sectorsToRead, currentTrack.TrackSequence);

                                doneSectors += sectorsToRead;
                            }
                            else
                            {
                                sector = @long ? image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
                                                                       currentTrack.TrackSequence)
                                             : image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
                                                                 currentTrack.TrackSequence);

                                doneSectors += sectors - doneSectors;
                            }

                            ctx.Update(sector);
                        }
                    }

                    Assert.AreEqual(@long ? _longMd5S[i] : _md5S[i], ctx.End(), _testFiles[i]);
                }

                if (image.Info.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
                {
                    var ctx = new Md5Context();

                    foreach (Track currentTrack in image.Tracks)
                    {
                        ulong sectors     = (currentTrack.TrackEndSector - currentTrack.TrackStartSector) + 1;
                        ulong doneSectors = 0;

                        while (doneSectors < sectors)
                        {
                            byte[] sector;

                            if (sectors - doneSectors >= sectorsToRead)
                            {
                                sector = image.ReadSectorsTag(doneSectors, sectorsToRead, currentTrack.TrackSequence,
                                                              SectorTagType.CdSectorSubchannel);

                                doneSectors += sectorsToRead;
                            }
                            else
                            {
                                sector = image.ReadSectorsTag(doneSectors, (uint)(sectors - doneSectors),
                                                              currentTrack.TrackSequence,
                                                              SectorTagType.CdSectorSubchannel);

                                doneSectors += sectors - doneSectors;
                            }

                            ctx.Update(sector);
                        }
                    }

                    Assert.AreEqual(_subchannelMd5S[i], ctx.End(), _testFiles[i]);
                }
            }
        }
Ejemplo n.º 6
0
        public void Test()
        {
            // How many sectors to read at once
            const uint sectorsToRead = 256;

            Environment.CurrentDirectory =
                Path.Combine(Consts.TEST_FILES_ROOT, "Media image formats", "MagicISO", "Cuesheet");

            IFilter[] filters = new IFilter[_testFiles.Length];

            for (int i = 0; i < _testFiles.Length; i++)
            {
                filters[i] = new ZZZNoFilter();
                filters[i].Open(_testFiles[i]);
            }

            IOpticalMediaImage[] images = new IOpticalMediaImage[_testFiles.Length];

            for (int i = 0; i < _testFiles.Length; i++)
            {
                images[i] = new CdrWin();
                Assert.AreEqual(true, images[i].Open(filters[i]), $"Open: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                Assert.AreEqual(_sectors[i], images[i].Info.Sectors, $"Sectors: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                Assert.AreEqual(_mediaTypes[i], images[i].Info.MediaType, $"Media type: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                Assert.AreEqual(_tracks[i], images[i].Tracks.Count, $"Tracks: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                images[i].Tracks.Select(t => t.TrackSession).Should().
                BeEquivalentTo(_trackSessions[i], $"Track session: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                images[i].Tracks.Select(t => t.TrackStartSector).Should().
                BeEquivalentTo(_trackStarts[i], $"Track start: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                images[i].Tracks.Select(t => t.TrackEndSector).Should().
                BeEquivalentTo(_trackEnds[i], $"Track end: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                images[i].Tracks.Select(t => t.TrackPregap).Should().
                BeEquivalentTo(_trackPregaps[i], $"Track pregap: {_testFiles[i]}");
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                int trackNo = 0;

                foreach (Track currentTrack in images[i].Tracks)
                {
                    if (images[i].Info.ReadableSectorTags.Contains(SectorTagType.CdTrackFlags))
                    {
                        Assert.AreEqual(_trackFlags[i][trackNo],
                                        images[i].ReadSectorTag(currentTrack.TrackSequence, SectorTagType.CdTrackFlags)
                                        [0], $"Track flags: {_testFiles[i]}, track {currentTrack.TrackSequence}");
                    }

                    trackNo++;
                }
            }

            foreach (bool @long in new[]
            {
                false, true
            })
            {
                for (int i = 0; i < _testFiles.Length; i++)
                {
                    var ctx = new Md5Context();

                    foreach (Track currentTrack in images[i].Tracks)
                    {
                        ulong sectors     = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
                        ulong doneSectors = 0;

                        while (doneSectors < sectors)
                        {
                            byte[] sector;

                            if (sectors - doneSectors >= sectorsToRead)
                            {
                                sector = @long ? images[i].
                                         ReadSectorsLong(doneSectors, sectorsToRead, currentTrack.TrackSequence)
                                             : images[i].
                                         ReadSectors(doneSectors, sectorsToRead, currentTrack.TrackSequence);

                                doneSectors += sectorsToRead;
                            }
                            else
                            {
                                sector = @long ? images[i].ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
                                                                           currentTrack.TrackSequence)
                                             : images[i].ReadSectors(doneSectors, (uint)(sectors - doneSectors),
                                                                     currentTrack.TrackSequence);

                                doneSectors += sectors - doneSectors;
                            }

                            ctx.Update(sector);
                        }
                    }

                    Assert.AreEqual(@long ? _longMd5S[i] : _md5S[i], ctx.End(),
                                    $"{(@long ? "Long hash" : "Hash")}: {_testFiles[i]}");
                }
            }

            for (int i = 0; i < _testFiles.Length; i++)
            {
                if (images[i].Info.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
                {
                    var ctx = new Md5Context();

                    foreach (Track currentTrack in images[i].Tracks)
                    {
                        ulong sectors     = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
                        ulong doneSectors = 0;

                        while (doneSectors < sectors)
                        {
                            byte[] sector;

                            if (sectors - doneSectors >= sectorsToRead)
                            {
                                sector = images[i].ReadSectorsTag(doneSectors, sectorsToRead,
                                                                  currentTrack.TrackSequence,
                                                                  SectorTagType.CdSectorSubchannel);

                                doneSectors += sectorsToRead;
                            }
                            else
                            {
                                sector = images[i].ReadSectorsTag(doneSectors, (uint)(sectors - doneSectors),
                                                                  currentTrack.TrackSequence,
                                                                  SectorTagType.CdSectorSubchannel);

                                doneSectors += sectors - doneSectors;
                            }

                            ctx.Update(sector);
                        }
                    }

                    Assert.AreEqual(_subchannelMd5S[i], ctx.End(), $"Subchannel hash: {_testFiles[i]}");
                }
            }
        }
Ejemplo n.º 7
0
        public bool?VerifyMediaImage()
        {
            if (_discImage.DiscHashes.Count == 0)
            {
                return(null);
            }

            // Read up to 1 MiB at a time for verification
            const int verifySize = 1024 * 1024;
            long      readBytes;

            byte[] verifyBytes;

            IFilter[] filters = _discImage.Tracks.OrderBy(t => t.Sequence).Select(t => t.TrackFile.DataFilter).
                                Distinct().ToArray();

            if (_discImage.DiscHashes.TryGetValue("sha1", out string sha1))
            {
                var ctx = new Sha1Context();

                foreach (IFilter filter in filters)
                {
                    Stream stream = filter.GetDataForkStream();
                    readBytes   = 0;
                    verifyBytes = new byte[verifySize];

                    while (readBytes + verifySize < stream.Length)
                    {
                        stream.Read(verifyBytes, 0, verifyBytes.Length);
                        ctx.Update(verifyBytes);
                        readBytes += verifyBytes.LongLength;
                    }

                    verifyBytes = new byte[stream.Length - readBytes];
                    stream.Read(verifyBytes, 0, verifyBytes.Length);
                    ctx.Update(verifyBytes);
                }

                string verifySha1 = ctx.End();
                AaruConsole.DebugWriteLine("CDRWin plugin", "Calculated SHA1: {0}", verifySha1);
                AaruConsole.DebugWriteLine("CDRWin plugin", "Expected SHA1: {0}", sha1);

                return(verifySha1 == sha1);
            }

            if (_discImage.DiscHashes.TryGetValue("md5", out string md5))
            {
                var ctx = new Md5Context();

                foreach (IFilter filter in filters)
                {
                    Stream stream = filter.GetDataForkStream();
                    readBytes   = 0;
                    verifyBytes = new byte[verifySize];

                    while (readBytes + verifySize < stream.Length)
                    {
                        stream.Read(verifyBytes, 0, verifyBytes.Length);
                        ctx.Update(verifyBytes);
                        readBytes += verifyBytes.LongLength;
                    }

                    verifyBytes = new byte[stream.Length - readBytes];
                    stream.Read(verifyBytes, 0, verifyBytes.Length);
                    ctx.Update(verifyBytes);
                }

                string verifyMd5 = ctx.End();
                AaruConsole.DebugWriteLine("CDRWin plugin", "Calculated MD5: {0}", verifyMd5);
                AaruConsole.DebugWriteLine("CDRWin plugin", "Expected MD5: {0}", md5);

                return(verifyMd5 == md5);
            }

            if (_discImage.DiscHashes.TryGetValue("crc32", out string crc32))
            {
                var ctx = new Crc32Context();

                foreach (IFilter filter in filters)
                {
                    Stream stream = filter.GetDataForkStream();
                    readBytes   = 0;
                    verifyBytes = new byte[verifySize];

                    while (readBytes + verifySize < stream.Length)
                    {
                        stream.Read(verifyBytes, 0, verifyBytes.Length);
                        ctx.Update(verifyBytes);
                        readBytes += verifyBytes.LongLength;
                    }

                    verifyBytes = new byte[stream.Length - readBytes];
                    stream.Read(verifyBytes, 0, verifyBytes.Length);
                    ctx.Update(verifyBytes);
                }

                string verifyCrc = ctx.End();
                AaruConsole.DebugWriteLine("CDRWin plugin", "Calculated CRC32: {0}", verifyCrc);
                AaruConsole.DebugWriteLine("CDRWin plugin", "Expected CRC32: {0}", crc32);

                return(verifyCrc == crc32);
            }

            foreach (string hash in _discImage.DiscHashes.Keys)
            {
                AaruConsole.DebugWriteLine("CDRWin plugin", "Found unsupported hash {0}", hash);
            }

            return(null);
        }
Ejemplo n.º 8
0
        public static BenchmarkResults Do(int bufferSize, int blockSize)
        {
            BenchmarkResults results = new BenchmarkResults
            {
                Entries      = new Dictionary <string, BenchmarkEntry>(),
                MinMemory    = long.MaxValue,
                MaxMemory    = 0,
                SeparateTime = 0
            };
            MemoryStream ms  = new MemoryStream(bufferSize);
            Random       rnd = new Random();
            DateTime     start;
            DateTime     end;

            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Writing block {0} of {1} with random data.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                rnd.NextBytes(tmp);
                ms.Write(tmp, 0, blockSize);
            }

            EndProgress();
            end = DateTime.Now;

            results.FillTime  = (end - start).TotalSeconds;
            results.FillSpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;

            ms.Seek(0, SeekOrigin.Begin);
            long mem = GC.GetTotalMemory(false);

            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Reading block {0} of {1}.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
            }

            EndProgress();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.ReadTime  = (end - start).TotalSeconds;
            results.ReadSpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;

            #region Adler32
            IChecksum ctx = new Adler32Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with Adler32.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("Adler32",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion Adler32

            #region Fletcher16
            ctx = new Fletcher16Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with Fletcher-16.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("Fletcher16",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion Fletcher16

            #region Fletcher32
            ctx = new Fletcher32Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with Fletcher-32.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("Fletcher32",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion Fletcher32

            #region CRC16
            ctx = new Crc16Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with CRC16.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("CRC16",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion CRC16

            #region CRC32
            ctx = new Crc32Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with CRC32.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("CRC32",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion CRC32

            #region CRC64
            ctx = new Crc64Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with CRC64.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("CRC64",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion CRC64

            #region MD5
            ctx = new Md5Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with MD5.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("MD5",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion MD5

            #if !NETSTANDARD2_0
            #region RIPEMD160
            ctx = new Ripemd160Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with RIPEMD160.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("RIPEMD160",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion RIPEMD160
            #endif

            #region SHA1
            ctx = new Sha1Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with SHA1.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("SHA1",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion SHA1

            #region SHA256
            ctx = new Sha256Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with SHA256.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("SHA256",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion SHA256

            #region SHA384
            ctx = new Sha384Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with SHA384.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("SHA384",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion SHA384

            #region SHA512
            ctx = new Sha512Context();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with SHA512.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("SHA512",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion SHA512

            #region SpamSum
            ctx = new SpamSumContext();
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Checksumming block {0} of {1} with SpamSum.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                ctx.Update(tmp);
            }

            EndProgress();
            ctx.End();
            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.Entries.Add("SpamSum",
                                new BenchmarkEntry
            {
                TimeSpan = (end - start).TotalSeconds,
                Speed    = bufferSize / 1048576.0 / (end - start).TotalSeconds
            });
            results.SeparateTime += (end - start).TotalSeconds;
            #endregion SpamSum

            #region Entropy
            ulong[] entTable = new ulong[256];
            ms.Seek(0, SeekOrigin.Begin);
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }
            start = DateTime.Now;
            InitProgress();
            for (int i = 0; i < bufferSize / blockSize; i++)
            {
                UpdateProgress("Entropying block {0} of {1}.", i + 1, bufferSize / blockSize);
                byte[] tmp = new byte[blockSize];
                ms.Read(tmp, 0, blockSize);
                foreach (byte b in tmp)
                {
                    entTable[b]++;
                }
            }

            EndProgress();

            end = DateTime.Now;
            mem = GC.GetTotalMemory(false);
            if (mem > results.MaxMemory)
            {
                results.MaxMemory = mem;
            }
            if (mem < results.MinMemory)
            {
                results.MinMemory = mem;
            }

            results.EntropyTime  = (end - start).TotalSeconds;
            results.EntropySpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;
            #endregion Entropy

            /*
             #region Multitasking
             * start                 = DateTime.Now;
             * Checksum allChecksums = new Checksum();
             * InitProgress();
             * for(int i = 0; i < bufferSize / blockSize; i++)
             * {
             *  UpdateProgress("Checksumming block {0} of {1} with all algorithms at the same time.", i + 1,
             *                 bufferSize / blockSize);
             *  byte[] tmp = new byte[blockSize];
             *  ms.Read(tmp, 0, blockSize);
             *
             *  allChecksums.Update(tmp);
             * }
             *
             * EndProgress();
             *
             * allChecksums.End();
             * end                                           = DateTime.Now;
             * mem                                           = GC.GetTotalMemory(false);
             * if(mem > results.MaxMemory) results.MaxMemory = mem;
             * if(mem < results.MinMemory) results.MinMemory = mem;
             *
             * results.TotalTime  = (end - start).TotalSeconds;
             * results.TotalSpeed = bufferSize / 1048576.0 / results.TotalTime;
             #endregion
             */
            results.SeparateSpeed = bufferSize / 1048576.0 / results.SeparateTime;

            return(results);
        }
Ejemplo n.º 9
0
        public void Hashes()
        {
            // How many sectors to read at once
            const uint sectorsToRead = 256;

            Environment.CurrentDirectory =
                Path.Combine(Consts.TEST_FILES_ROOT, "Media image formats", "UltraISO", "Alcohol");

            Assert.Multiple(() =>
            {
                for (int i = 0; i < _testFiles.Length; i++)
                {
                    var filter = new ZZZNoFilter();
                    filter.Open(_testFiles[i]);

                    var image   = new DiscImages.Alcohol120();
                    bool opened = image.Open(filter);

                    Assert.AreEqual(true, opened, $"Open: {_testFiles[i]}");
                    Md5Context ctx;

                    foreach (bool @long in new[]
                    {
                        false, true
                    })
                    {
                        ctx = new Md5Context();

                        foreach (Track currentTrack in image.Tracks)
                        {
                            ulong sectors     = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
                            ulong doneSectors = 0;

                            while (doneSectors < sectors)
                            {
                                byte[] sector;

                                if (sectors - doneSectors >= sectorsToRead)
                                {
                                    sector =
                                        @long ? image.ReadSectorsLong(doneSectors, sectorsToRead,
                                                                      currentTrack.TrackSequence)
                                            : image.ReadSectors(doneSectors, sectorsToRead, currentTrack.TrackSequence);

                                    doneSectors += sectorsToRead;
                                }
                                else
                                {
                                    sector =
                                        @long ? image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
                                                                      currentTrack.TrackSequence)
                                            : image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
                                                                currentTrack.TrackSequence);

                                    doneSectors += sectors - doneSectors;
                                }

                                ctx.Update(sector);
                            }
                        }

                        Assert.AreEqual(@long ? _longMd5S[i] : _md5S[i], ctx.End(),
                                        $"{(@long ? "Long hash" : "Hash")}: {_testFiles[i]}");
                    }

                    if (!image.Info.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
                    {
                        continue;
                    }

                    ctx = new Md5Context();

                    foreach (Track currentTrack in image.Tracks)
                    {
                        ulong sectors     = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
                        ulong doneSectors = 0;

                        while (doneSectors < sectors)
                        {
                            byte[] sector;

                            if (sectors - doneSectors >= sectorsToRead)
                            {
                                sector = image.ReadSectorsTag(doneSectors, sectorsToRead, currentTrack.TrackSequence,
                                                              SectorTagType.CdSectorSubchannel);

                                doneSectors += sectorsToRead;
                            }
                            else
                            {
                                sector = image.ReadSectorsTag(doneSectors, (uint)(sectors - doneSectors),
                                                              currentTrack.TrackSequence,
                                                              SectorTagType.CdSectorSubchannel);

                                doneSectors += sectors - doneSectors;
                            }

                            ctx.Update(sector);
                        }
                    }

                    Assert.AreEqual(_subchannelMd5S[i], ctx.End(), $"Subchannel hash: {_testFiles[i]}");
                }
            });
        }
Ejemplo n.º 10
0
        internal static List <ChecksumType> GetChecksums(byte[] data)
        {
            Adler32Context   adler32ctxData   = new Adler32Context();
            Crc16Context     crc16ctxData     = new Crc16Context();
            Crc32Context     crc32ctxData     = new Crc32Context();
            Crc64Context     crc64ctxData     = new Crc64Context();
            Md5Context       md5ctxData       = new Md5Context();
            Ripemd160Context ripemd160ctxData = new Ripemd160Context();
            Sha1Context      sha1ctxData      = new Sha1Context();
            Sha256Context    sha256ctxData    = new Sha256Context();
            Sha384Context    sha384ctxData    = new Sha384Context();
            Sha512Context    sha512ctxData    = new Sha512Context();
            SpamSumContext   ssctxData        = new SpamSumContext();

            Thread adlerThreadData     = new Thread(updateAdler);
            Thread crc16ThreadData     = new Thread(updateCRC16);
            Thread crc32ThreadData     = new Thread(updateCRC32);
            Thread crc64ThreadData     = new Thread(updateCRC64);
            Thread md5ThreadData       = new Thread(updateMD5);
            Thread ripemd160ThreadData = new Thread(updateRIPEMD160);
            Thread sha1ThreadData      = new Thread(updateSHA1);
            Thread sha256ThreadData    = new Thread(updateSHA256);
            Thread sha384ThreadData    = new Thread(updateSHA384);
            Thread sha512ThreadData    = new Thread(updateSHA512);
            Thread spamsumThreadData   = new Thread(updateSpamSum);

            adlerPacket     adlerPktData     = new adlerPacket();
            crc16Packet     crc16PktData     = new crc16Packet();
            crc32Packet     crc32PktData     = new crc32Packet();
            crc64Packet     crc64PktData     = new crc64Packet();
            md5Packet       md5PktData       = new md5Packet();
            ripemd160Packet ripemd160PktData = new ripemd160Packet();
            sha1Packet      sha1PktData      = new sha1Packet();
            sha256Packet    sha256PktData    = new sha256Packet();
            sha384Packet    sha384PktData    = new sha384Packet();
            sha512Packet    sha512PktData    = new sha512Packet();
            spamsumPacket   spamsumPktData   = new spamsumPacket();

            adler32ctxData.Init();
            adlerPktData.context = adler32ctxData;
            crc16ctxData.Init();
            crc16PktData.context = crc16ctxData;
            crc32ctxData.Init();
            crc32PktData.context = crc32ctxData;
            crc64ctxData.Init();
            crc64PktData.context = crc64ctxData;
            md5ctxData.Init();
            md5PktData.context = md5ctxData;
            ripemd160ctxData.Init();
            ripemd160PktData.context = ripemd160ctxData;
            sha1ctxData.Init();
            sha1PktData.context = sha1ctxData;
            sha256ctxData.Init();
            sha256PktData.context = sha256ctxData;
            sha384ctxData.Init();
            sha384PktData.context = sha384ctxData;
            sha512ctxData.Init();
            sha512PktData.context = sha512ctxData;
            ssctxData.Init();
            spamsumPktData.context = ssctxData;

            adlerPktData.data = data;
            adlerThreadData.Start(adlerPktData);
            crc16PktData.data = data;
            crc16ThreadData.Start(crc16PktData);
            crc32PktData.data = data;
            crc32ThreadData.Start(crc32PktData);
            crc64PktData.data = data;
            crc64ThreadData.Start(crc64PktData);
            md5PktData.data = data;
            md5ThreadData.Start(md5PktData);
            ripemd160PktData.data = data;
            ripemd160ThreadData.Start(ripemd160PktData);
            sha1PktData.data = data;
            sha1ThreadData.Start(sha1PktData);
            sha256PktData.data = data;
            sha256ThreadData.Start(sha256PktData);
            sha384PktData.data = data;
            sha384ThreadData.Start(sha384PktData);
            sha512PktData.data = data;
            sha512ThreadData.Start(sha512PktData);
            spamsumPktData.data = data;
            spamsumThreadData.Start(spamsumPktData);

            while (adlerThreadData.IsAlive || crc16ThreadData.IsAlive || crc32ThreadData.IsAlive ||
                   crc64ThreadData.IsAlive || md5ThreadData.IsAlive || ripemd160ThreadData.IsAlive ||
                   sha1ThreadData.IsAlive || sha256ThreadData.IsAlive || sha384ThreadData.IsAlive ||
                   sha512ThreadData.IsAlive || spamsumThreadData.IsAlive)
            {
            }

            List <ChecksumType> dataChecksums = new List <ChecksumType>();

            ChecksumType chk = new ChecksumType {
                type = ChecksumTypeType.adler32, Value = adler32ctxData.End()
            };

            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.crc16, Value = crc16ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.crc32, Value = crc32ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.crc64, Value = crc64ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.md5, Value = md5ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.ripemd160, Value = ripemd160ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha1, Value = sha1ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha256, Value = sha256ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha384, Value = sha384ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha512, Value = sha512ctxData.End()
            };
            dataChecksums.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.spamsum, Value = ssctxData.End()
            };
            dataChecksums.Add(chk);

            return(dataChecksums);
        }
Ejemplo n.º 11
0
        internal List <ChecksumType> End()
        {
            List <ChecksumType> chks = new List <ChecksumType>();

            ChecksumType chk = new ChecksumType {
                type = ChecksumTypeType.adler32, Value = adler32ctx.End()
            };

            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.crc16, Value = crc16ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.crc32, Value = crc32ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.crc64, Value = crc64ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.md5, Value = md5ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.ripemd160, Value = ripemd160ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha1, Value = sha1ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha256, Value = sha256ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha384, Value = sha384ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.sha512, Value = sha512ctx.End()
            };
            chks.Add(chk);

            chk = new ChecksumType {
                type = ChecksumTypeType.spamsum, Value = ssctx.End()
            };
            chks.Add(chk);

            return(chks);
        }
Ejemplo n.º 12
0
        public void Hashes()
        {
            Environment.CurrentDirectory = Environment.CurrentDirectory = DataFolder;

            Assert.Multiple(() =>
            {
                Parallel.For(0L, Tests.Length, (i, state) =>
                {
                    string testFile = Tests[i].TestFile;

                    bool exists = File.Exists(testFile);
                    Assert.True(exists, $"{testFile} not found");

                    // ReSharper disable once ConditionIsAlwaysTrueOrFalse
                    // It arrives here...
                    if (!exists)
                    {
                        return;
                    }

                    var filtersList = new FiltersList();
                    IFilter filter  = filtersList.GetFilter(testFile);
                    filter.Open(testFile);

                    var image = Activator.CreateInstance(_plugin.GetType()) as IOpticalMediaImage;
                    Assert.NotNull(image, $"Could not instantiate filesystem for {testFile}");

                    bool opened = image.Open(filter);
                    Assert.AreEqual(true, opened, $"Open: {testFile}");

                    if (!opened)
                    {
                        return;
                    }

                    Md5Context ctx;

                    if (image.Info.XmlMediaType == XmlMediaType.OpticalDisc)
                    {
                        foreach (bool @long in new[]
                        {
                            false, true
                        })
                        {
                            ctx = new Md5Context();

                            foreach (Track currentTrack in image.Tracks)
                            {
                                ulong sectors     = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
                                ulong doneSectors = 0;

                                while (doneSectors < sectors)
                                {
                                    byte[] sector;

                                    if (sectors - doneSectors >= SECTORS_TO_READ)
                                    {
                                        sector =
                                            @long ? image.ReadSectorsLong(doneSectors, SECTORS_TO_READ,
                                                                          currentTrack.TrackSequence)
                                                : image.ReadSectors(doneSectors, SECTORS_TO_READ,
                                                                    currentTrack.TrackSequence);

                                        doneSectors += SECTORS_TO_READ;
                                    }
                                    else
                                    {
                                        sector =
                                            @long ? image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
                                                                          currentTrack.TrackSequence)
                                                : image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
                                                                    currentTrack.TrackSequence);

                                        doneSectors += sectors - doneSectors;
                                    }

                                    ctx.Update(sector);
                                }
                            }

                            Assert.AreEqual(@long ? Tests[i].LongMD5 : Tests[i].MD5, ctx.End(),
                                            $"{(@long ? "Long hash" : "Hash")}: {testFile}");
                        }

                        if (!image.Info.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
                        {
                            return;
                        }

                        ctx = new Md5Context();

                        foreach (Track currentTrack in image.Tracks)
                        {
                            ulong sectors     = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
                            ulong doneSectors = 0;

                            while (doneSectors < sectors)
                            {
                                byte[] sector;

                                if (sectors - doneSectors >= SECTORS_TO_READ)
                                {
                                    sector = image.ReadSectorsTag(doneSectors, SECTORS_TO_READ,
                                                                  currentTrack.TrackSequence,
                                                                  SectorTagType.CdSectorSubchannel);

                                    doneSectors += SECTORS_TO_READ;
                                }
                                else
                                {
                                    sector = image.ReadSectorsTag(doneSectors, (uint)(sectors - doneSectors),
                                                                  currentTrack.TrackSequence,
                                                                  SectorTagType.CdSectorSubchannel);

                                    doneSectors += sectors - doneSectors;
                                }

                                ctx.Update(sector);
                            }
                        }

                        Assert.AreEqual(Tests[i].SubchannelMD5, ctx.End(), $"Subchannel hash: {testFile}");
                    }
                    else
                    {
                        ctx = new Md5Context();
                        ulong doneSectors = 0;

                        while (doneSectors < image.Info.Sectors)
                        {
                            byte[] sector;

                            if (image.Info.Sectors - doneSectors >= SECTORS_TO_READ)
                            {
                                sector       = image.ReadSectors(doneSectors, SECTORS_TO_READ);
                                doneSectors += SECTORS_TO_READ;
                            }
                            else
                            {
                                sector       = image.ReadSectors(doneSectors, (uint)(image.Info.Sectors - doneSectors));
                                doneSectors += image.Info.Sectors - doneSectors;
                            }

                            ctx.Update(sector);
                        }

                        Assert.AreEqual(Tests[i].MD5, ctx.End(), $"Hash: {testFile}");
                    }
                });
            });
        }