public void Read()
{
byte[] buffer = new byte[0];
Errno error = _fs.Read("49470015", 0, 0, ref buffer);
Assert.AreEqual(Errno.IsDirectory, error);
error = _fs.Read("49470015/TitleImage", 0, 0, ref buffer);
Assert.AreEqual(Errno.NoSuchFile, error);
error = _fs.Read("49470015/7AC2FE88C908/savedata.dat", 0, 0, ref buffer);
Assert.AreEqual(Errno.NoError, error);
Assert.AreEqual(0, buffer.Length);
Assert.AreEqual("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
Sha256Context.Data(buffer, out _));
error = _fs.Read("49470015/7AC2FE88C908/savedata.dat", 1, 16, ref buffer);
Assert.AreEqual(Errno.NoError, error);
Assert.AreEqual(16, buffer.Length);
Assert.AreEqual("ff82559d2d0c610ac25b78dcb53a8312e32b56192044deb1f01540581bd54e80",
Sha256Context.Data(buffer, out _));
error = _fs.Read("49470015/7AC2FE88C908/savedata.dat", 248, 131072, ref buffer);
Assert.AreEqual(Errno.NoError, error);
Assert.AreEqual(61996, buffer.Length);
Assert.AreEqual("2eb0d62a96ad28473ce0dd67052efdfae31f371992e1d8309beeeff6f2b46a59",
Sha256Context.Data(buffer, out _));
error = _fs.Read("49470015/7AC2FE88C908/savedata.dat", 131072, 0, ref buffer);
Assert.AreEqual(Errno.InvalidArgument, error);
}
internal Checksum()
{
_crc32Ctx = new Crc32Context();
_md5Ctx = new Md5Context();
_sha1Ctx = new Sha1Context();
_sha256Ctx = new Sha256Context();
_sha384Ctx = new Sha384Context();
_sha512Ctx = new Sha512Context();
_crc32Thread = new Thread(UpdateCrc32);
_md5Thread = new Thread(UpdateMd5);
_sha1Thread = new Thread(UpdateSha1);
_sha256Thread = new Thread(UpdateSha256);
_sha384Thread = new Thread(UpdateSha384);
_sha512Thread = new Thread(UpdateSha512);
_crc32Pkt = new Crc32Packet();
_md5Pkt = new Md5Packet();
_sha1Pkt = new Sha1Packet();
_sha256Pkt = new Sha256Packet();
_sha384Pkt = new Sha384Packet();
_sha512Pkt = new Sha512Packet();
_crc32Pkt.context = _crc32Ctx;
_md5Pkt.context = _md5Ctx;
_sha1Pkt.context = _sha1Ctx;
_sha256Pkt.context = _sha256Ctx;
_sha384Pkt.context = _sha384Ctx;
_sha512Pkt.context = _sha512Ctx;
}
public void Read()
{
byte[] buffer = new byte[0];
Errno error = _fs.Read("Content/0000000000000000/FFFE07DF/00040000", 0, 0, ref buffer);
Assert.AreEqual(Errno.IsDirectory, error);
error = _fs.Read("Content/0000000000000000/FFFE07DF/00040000/ContentCache", 0, 0, ref buffer);
Assert.AreEqual(Errno.NoSuchFile, error);
error = _fs.Read("Content/0000000000000000/FFFE07DF/00040000/ContentCache.pkg", 0, 0, ref buffer);
Assert.AreEqual(Errno.NoError, error);
Assert.AreEqual(0, buffer.Length);
Assert.AreEqual("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
Sha256Context.Data(buffer, out _));
error = _fs.Read("Content/0000000000000000/FFFE07DF/00040000/ContentCache.pkg", 1, 16, ref buffer);
Assert.AreEqual(Errno.NoError, error);
Assert.AreEqual(16, buffer.Length);
Assert.AreEqual("f73a941675b8df16b0fc908f242c3c51382c5b159e709e0f9ffc1e5aac35f77d",
Sha256Context.Data(buffer, out _));
error = _fs.Read("Content/0000000000000000/FFFE07DF/00040000/ContentCache.pkg", 248, 131072, ref buffer);
Assert.AreEqual(Errno.NoError, error);
Assert.AreEqual(85768, buffer.Length);
Assert.AreEqual("19caf1365e1b7d5446ca0c2518d15e94c3ab0faaf2f8f3b31c9e1656dff57bd9",
Sha256Context.Data(buffer, out _));
error = _fs.Read("Content/0000000000000000/FFFE07DF/00040000/ContentCache.pkg", 131072, 0, ref buffer);
Assert.AreEqual(Errno.InvalidArgument, error);
}
public void Sha256RandomData()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "random"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
Sha256Context.Data(data, out byte[] result);
Assert.AreEqual(ExpectedRandom, result);
}
public void EmptyData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
Sha256Context.Data(data, out byte[] result);
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void Sha256RandomData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
Sha256Context.Data(data, out byte[] result);
Assert.AreEqual(_expectedRandom, result);
}
internal Checksum()
{
adler32ctx = new Adler32Context();
crc16ctx = new Crc16Context();
crc32ctx = new Crc32Context();
crc64ctx = new Crc64Context();
md5ctx = new Md5Context();
ripemd160ctx = new Ripemd160Context();
sha1ctx = new Sha1Context();
sha256ctx = new Sha256Context();
sha384ctx = new Sha384Context();
sha512ctx = new Sha512Context();
ssctx = new SpamSumContext();
adlerThread = new Thread(updateAdler);
crc16Thread = new Thread(updateCRC16);
crc32Thread = new Thread(updateCRC32);
crc64Thread = new Thread(updateCRC64);
md5Thread = new Thread(updateMD5);
ripemd160Thread = new Thread(updateRIPEMD160);
sha1Thread = new Thread(updateSHA1);
sha256Thread = new Thread(updateSHA256);
sha384Thread = new Thread(updateSHA384);
sha512Thread = new Thread(updateSHA512);
spamsumThread = new Thread(updateSpamSum);
adlerPkt = new adlerPacket();
crc16Pkt = new crc16Packet();
crc32Pkt = new crc32Packet();
crc64Pkt = new crc64Packet();
md5Pkt = new md5Packet();
ripemd160Pkt = new ripemd160Packet();
sha1Pkt = new sha1Packet();
sha256Pkt = new sha256Packet();
sha384Pkt = new sha384Packet();
sha512Pkt = new sha512Packet();
spamsumPkt = new spamsumPacket();
adlerPkt.context = adler32ctx;
crc16Pkt.context = crc16ctx;
crc32Pkt.context = crc32ctx;
crc64Pkt.context = crc64ctx;
md5Pkt.context = md5ctx;
ripemd160Pkt.context = ripemd160ctx;
sha1Pkt.context = sha1ctx;
sha256Pkt.context = sha256ctx;
sha384Pkt.context = sha384ctx;
sha512Pkt.context = sha512ctx;
spamsumPkt.context = ssctx;
}
public void Sha256EmptyInstance()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new Sha256Context();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(ExpectedEmpty, result);
}
public void EmptyInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new Sha256Context();
ctx.Update(data);
byte[] result = ctx.Final();
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void Sha256RandomInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new Sha256Context();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedRandom, result);
}
internal static List <ChecksumType> GetChecksums(byte[] data, EnableChecksum enabled = EnableChecksum.All)
{
IChecksum adler32CtxData = null;
IChecksum crc16CtxData = null;
IChecksum crc32CtxData = null;
IChecksum crc64CtxData = null;
IChecksum md5CtxData = null;
IChecksum sha1CtxData = null;
IChecksum sha256CtxData = null;
IChecksum sha384CtxData = null;
IChecksum sha512CtxData = null;
IChecksum ssctxData = null;
IChecksum f16CtxData = null;
IChecksum f32CtxData = null;
var adlerThreadData = new Thread(UpdateHash);
var crc16ThreadData = new Thread(UpdateHash);
var crc32ThreadData = new Thread(UpdateHash);
var crc64ThreadData = new Thread(UpdateHash);
var md5ThreadData = new Thread(UpdateHash);
var sha1ThreadData = new Thread(UpdateHash);
var sha256ThreadData = new Thread(UpdateHash);
var sha384ThreadData = new Thread(UpdateHash);
var sha512ThreadData = new Thread(UpdateHash);
var spamsumThreadData = new Thread(UpdateHash);
var f16ThreadData = new Thread(UpdateHash);
var f32ThreadData = new Thread(UpdateHash);
if (enabled.HasFlag(EnableChecksum.Adler32))
{
adler32CtxData = new Adler32Context();
var adlerPktData = new HashPacket
{
Context = adler32CtxData,
Data = data
};
adlerThreadData.Start(adlerPktData);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
crc16CtxData = new CRC16IBMContext();
var crc16PktData = new HashPacket
{
Context = crc16CtxData,
Data = data
};
crc16ThreadData.Start(crc16PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
crc32CtxData = new Crc32Context();
var crc32PktData = new HashPacket
{
Context = crc32CtxData,
Data = data
};
crc32ThreadData.Start(crc32PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
crc64CtxData = new Crc64Context();
var crc64PktData = new HashPacket
{
Context = crc64CtxData,
Data = data
};
crc64ThreadData.Start(crc64PktData);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
md5CtxData = new Md5Context();
var md5PktData = new HashPacket
{
Context = md5CtxData,
Data = data
};
md5ThreadData.Start(md5PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha1))
{
sha1CtxData = new Sha1Context();
var sha1PktData = new HashPacket
{
Context = sha1CtxData,
Data = data
};
sha1ThreadData.Start(sha1PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
sha256CtxData = new Sha256Context();
var sha256PktData = new HashPacket
{
Context = sha256CtxData,
Data = data
};
sha256ThreadData.Start(sha256PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
sha384CtxData = new Sha384Context();
var sha384PktData = new HashPacket
{
Context = sha384CtxData,
Data = data
};
sha384ThreadData.Start(sha384PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
sha512CtxData = new Sha512Context();
var sha512PktData = new HashPacket
{
Context = sha512CtxData,
Data = data
};
sha512ThreadData.Start(sha512PktData);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
ssctxData = new SpamSumContext();
var spamsumPktData = new HashPacket
{
Context = ssctxData,
Data = data
};
spamsumThreadData.Start(spamsumPktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
f16CtxData = new Fletcher16Context();
var f16PktData = new HashPacket
{
Context = f16CtxData,
Data = data
};
f16ThreadData.Start(f16PktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
f32CtxData = new Fletcher32Context();
var f32PktData = new HashPacket
{
Context = f32CtxData,
Data = data
};
f32ThreadData.Start(f32PktData);
}
while (adlerThreadData.IsAlive ||
crc16ThreadData.IsAlive ||
crc32ThreadData.IsAlive ||
crc64ThreadData.IsAlive ||
md5ThreadData.IsAlive ||
sha1ThreadData.IsAlive ||
sha256ThreadData.IsAlive ||
sha384ThreadData.IsAlive ||
sha512ThreadData.IsAlive ||
spamsumThreadData.IsAlive ||
f16ThreadData.IsAlive ||
f32ThreadData.IsAlive)
{
}
List <ChecksumType> dataChecksums = new List <ChecksumType>();
ChecksumType chk;
if (enabled.HasFlag(EnableChecksum.Adler32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.adler32,
Value = adler32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc16,
Value = crc16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc32,
Value = crc32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc64,
Value = crc64CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
chk = new ChecksumType
{
type = ChecksumTypeType.md5,
Value = md5CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha1))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha1,
Value = sha1CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha256,
Value = sha256CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha384,
Value = sha384CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha512,
Value = sha512CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
chk = new ChecksumType
{
type = ChecksumTypeType.spamsum,
Value = ssctxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
chk = new ChecksumType
{
type = ChecksumTypeType.fletcher16,
Value = f16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.fletcher32,
Value = f32CtxData.End()
};
dataChecksums.Add(chk);
}
return(dataChecksums);
}
internal static List <ChecksumType> GetChecksums(byte[] data, EnableChecksum enabled = EnableChecksum.All)
{
IChecksum adler32CtxData = null;
IChecksum crc16CtxData = null;
IChecksum crc32CtxData = null;
IChecksum crc64CtxData = null;
IChecksum md5CtxData = null;
#if !NETSTANDARD2_0
IChecksum ripemd160CtxData = null;
#endif
IChecksum sha1CtxData = null;
IChecksum sha256CtxData = null;
IChecksum sha384CtxData = null;
IChecksum sha512CtxData = null;
IChecksum ssctxData = null;
IChecksum f16CtxData = null;
IChecksum f32CtxData = null;
Thread adlerThreadData = new Thread(UpdateHash);
Thread crc16ThreadData = new Thread(UpdateHash);
Thread crc32ThreadData = new Thread(UpdateHash);
Thread crc64ThreadData = new Thread(UpdateHash);
Thread md5ThreadData = new Thread(UpdateHash);
#if !NETSTANDARD2_0
Thread ripemd160ThreadData = new Thread(UpdateHash);
#endif
Thread sha1ThreadData = new Thread(UpdateHash);
Thread sha256ThreadData = new Thread(UpdateHash);
Thread sha384ThreadData = new Thread(UpdateHash);
Thread sha512ThreadData = new Thread(UpdateHash);
Thread spamsumThreadData = new Thread(UpdateHash);
Thread f16ThreadData = new Thread(UpdateHash);
Thread f32ThreadData = new Thread(UpdateHash);
if (enabled.HasFlag(EnableChecksum.Adler32))
{
adler32CtxData = new Adler32Context();
HashPacket adlerPktData = new HashPacket {
Context = adler32CtxData, Data = data
};
adlerThreadData.Start(adlerPktData);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
crc16CtxData = new Crc16Context();
HashPacket crc16PktData = new HashPacket {
Context = crc16CtxData, Data = data
};
crc16ThreadData.Start(crc16PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
crc32CtxData = new Crc32Context();
HashPacket crc32PktData = new HashPacket {
Context = crc32CtxData, Data = data
};
crc32ThreadData.Start(crc32PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
crc64CtxData = new Crc64Context();
HashPacket crc64PktData = new HashPacket {
Context = crc64CtxData, Data = data
};
crc64ThreadData.Start(crc64PktData);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
md5CtxData = new Md5Context();
HashPacket md5PktData = new HashPacket {
Context = md5CtxData, Data = data
};
md5ThreadData.Start(md5PktData);
}
#if !NETSTANDARD2_0
if (enabled.HasFlag(EnableChecksum.Ripemd160))
{
ripemd160CtxData = new Ripemd160Context();
HashPacket ripemd160PktData = new HashPacket {
Context = ripemd160CtxData, Data = data
};
ripemd160ThreadData.Start(ripemd160PktData);
}
#endif
if (enabled.HasFlag(EnableChecksum.Sha1))
{
sha1CtxData = new Sha1Context();
HashPacket sha1PktData = new HashPacket {
Context = sha1CtxData, Data = data
};
sha1ThreadData.Start(sha1PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
sha256CtxData = new Sha256Context();
HashPacket sha256PktData = new HashPacket {
Context = sha256CtxData, Data = data
};
sha256ThreadData.Start(sha256PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
sha384CtxData = new Sha384Context();
HashPacket sha384PktData = new HashPacket {
Context = sha384CtxData, Data = data
};
sha384ThreadData.Start(sha384PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
sha512CtxData = new Sha512Context();
HashPacket sha512PktData = new HashPacket {
Context = sha512CtxData, Data = data
};
sha512ThreadData.Start(sha512PktData);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
ssctxData = new SpamSumContext();
HashPacket spamsumPktData = new HashPacket {
Context = ssctxData, Data = data
};
spamsumThreadData.Start(spamsumPktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
f16CtxData = new Fletcher16Context();
HashPacket f16PktData = new HashPacket {
Context = f16CtxData, Data = data
};
f16ThreadData.Start(f16PktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
f32CtxData = new Fletcher32Context();
HashPacket f32PktData = new HashPacket {
Context = f32CtxData, Data = data
};
f32ThreadData.Start(f32PktData);
}
while (adlerThreadData.IsAlive || crc16ThreadData.IsAlive || crc32ThreadData.IsAlive ||
crc64ThreadData.IsAlive || md5ThreadData.IsAlive ||
#if !NETSTANDARD2_0
ripemd160ThreadData.IsAlive ||
#endif
sha1ThreadData.IsAlive || sha256ThreadData.IsAlive || sha384ThreadData.IsAlive ||
sha512ThreadData.IsAlive || spamsumThreadData.IsAlive || f16ThreadData.IsAlive ||
f32ThreadData.IsAlive)
{
}
List <ChecksumType> dataChecksums = new List <ChecksumType>();
ChecksumType chk;
if (enabled.HasFlag(EnableChecksum.Adler32))
{
chk = new ChecksumType {
type = ChecksumTypeType.adler32, Value = adler32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
chk = new ChecksumType {
type = ChecksumTypeType.crc16, Value = crc16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
chk = new ChecksumType {
type = ChecksumTypeType.crc32, Value = crc32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
chk = new ChecksumType {
type = ChecksumTypeType.crc64, Value = crc64CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
chk = new ChecksumType {
type = ChecksumTypeType.md5, Value = md5CtxData.End()
};
dataChecksums.Add(chk);
}
#if !NETSTANDARD2_0
if (enabled.HasFlag(EnableChecksum.Ripemd160))
{
chk = new ChecksumType {
type = ChecksumTypeType.ripemd160, Value = ripemd160CtxData.End()
};
dataChecksums.Add(chk);
}
#endif
if (enabled.HasFlag(EnableChecksum.Sha1))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha1, Value = sha1CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha256, Value = sha256CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha384, Value = sha384CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha512, Value = sha512CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
chk = new ChecksumType {
type = ChecksumTypeType.spamsum, Value = ssctxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
chk = new ChecksumType {
type = ChecksumTypeType.fletcher16, Value = f16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
chk = new ChecksumType {
type = ChecksumTypeType.fletcher32, Value = f32CtxData.End()
};
dataChecksums.Add(chk);
}
return(dataChecksums);
}
public void Sha256EmptyFile()
{
byte[] result = Sha256Context.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
Assert.AreEqual(_expectedEmpty, result);
}
public void Sha256RandomFile()
{
byte[] result = Sha256Context.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"));
Assert.AreEqual(_expectedRandom, result);
}
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);
}
public void EmptyFile()
{
byte[] result = Sha256Context.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void Sha256RandomFile()
{
byte[] result = Sha256Context.File(Path.Combine(Consts.TestFilesRoot, "checksums", "random"));
Assert.AreEqual(ExpectedRandom, result);
}
public void Sha256EmptyFile()
{
byte[] result = Sha256Context.File(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"));
Assert.AreEqual(ExpectedEmpty, result);
}
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);
}
public static void DetectDiscType(ref MediaType mediaType, int sessions, FullTOC.CDFullTOC?decodedToc,
Device dev, out bool hiddenTrack, out bool hiddenData,
int firstTrackLastSession)
{
uint startOfFirstDataTrack = uint.MaxValue;
byte[] cmdBuf;
bool sense;
byte secondSessionFirstTrack = 0;
byte[] sector0;
byte[] sector1 = null;
byte[] ps2BootSectors = null;
byte[] playdia1 = null;
byte[] playdia2 = null;
byte[] firstDataSectorNotZero = null;
byte[] secondDataSectorNotZero = null;
byte[] firstTrackSecondSession = null;
byte[] firstTrackSecondSessionAudio = null;
byte[] videoNowColorFrame;
hiddenTrack = false;
hiddenData = false;
if (decodedToc.HasValue)
{
if (decodedToc.Value.TrackDescriptors.Any(t => t.SessionNumber == 2))
{
secondSessionFirstTrack =
decodedToc.Value.TrackDescriptors.Where(t => t.SessionNumber == 2).Min(t => t.POINT);
}
}
if (mediaType == MediaType.CD ||
mediaType == MediaType.CDROMXA)
{
bool hasDataTrack = false;
bool hasAudioTrack = false;
bool allFirstSessionTracksAreAudio = true;
bool hasVideoTrack = false;
if (decodedToc.HasValue)
{
foreach (FullTOC.TrackDataDescriptor track in decodedToc.Value.TrackDescriptors)
{
if (track.TNO == 1 &&
((TocControl)(track.CONTROL & 0x0D) == TocControl.DataTrack ||
(TocControl)(track.CONTROL & 0x0D) == TocControl.DataTrackIncremental))
{
allFirstSessionTracksAreAudio &= firstTrackLastSession != 1;
}
if ((TocControl)(track.CONTROL & 0x0D) == TocControl.DataTrack ||
(TocControl)(track.CONTROL & 0x0D) == TocControl.DataTrackIncremental)
{
uint startAddress =
(uint)(((track.PHOUR * 3600 * 75) + (track.PMIN * 60 * 75) + (track.PSEC * 75) +
track.PFRAME) - 150);
if (startAddress < startOfFirstDataTrack)
{
startOfFirstDataTrack = startAddress;
}
hasDataTrack = true;
allFirstSessionTracksAreAudio &= track.POINT >= firstTrackLastSession;
}
else
{
hasAudioTrack = true;
}
hasVideoTrack |= track.ADR == 4;
}
}
if (hasDataTrack &&
hasAudioTrack &&
allFirstSessionTracksAreAudio &&
sessions == 2)
{
mediaType = MediaType.CDPLUS;
}
if (!hasDataTrack &&
hasAudioTrack &&
sessions == 1)
{
mediaType = MediaType.CDDA;
}
if (hasDataTrack &&
!hasAudioTrack &&
sessions == 1)
{
mediaType = MediaType.CDROM;
}
if (hasVideoTrack &&
!hasDataTrack &&
sessions == 1)
{
mediaType = MediaType.CDV;
}
}
if (secondSessionFirstTrack != 0 &&
decodedToc.HasValue &&
decodedToc.Value.TrackDescriptors.Any(t => t.POINT == secondSessionFirstTrack))
{
FullTOC.TrackDataDescriptor secondSessionFirstTrackTrack =
decodedToc.Value.TrackDescriptors.First(t => t.POINT == secondSessionFirstTrack);
uint firstSectorSecondSessionFirstTrack =
(uint)(((secondSessionFirstTrackTrack.PHOUR * 3600 * 75) +
(secondSessionFirstTrackTrack.PMIN * 60 * 75) +
(secondSessionFirstTrackTrack.PSEC * 75) +
secondSessionFirstTrackTrack.PFRAME) - 150);
sense = dev.ReadCd(out cmdBuf, out _, firstSectorSecondSessionFirstTrack, 2352, 1,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders, true, true,
MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
firstTrackSecondSession = cmdBuf;
}
else
{
sense = dev.ReadCd(out cmdBuf, out _, firstSectorSecondSessionFirstTrack, 2352, 1,
MmcSectorTypes.Cdda, false, false, true, MmcHeaderCodes.None, true, true,
MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
firstTrackSecondSession = cmdBuf;
}
}
sense = dev.ReadCd(out cmdBuf, out _, firstSectorSecondSessionFirstTrack - 1, 2352, 3,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders, true, true,
MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
firstTrackSecondSessionAudio = cmdBuf;
}
else
{
sense = dev.ReadCd(out cmdBuf, out _, firstSectorSecondSessionFirstTrack - 1, 2352, 3,
MmcSectorTypes.Cdda, false, false, true, MmcHeaderCodes.None, true, true,
MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
firstTrackSecondSessionAudio = cmdBuf;
}
}
}
videoNowColorFrame = new byte[9 * 2352];
for (int i = 0; i < 9; i++)
{
sense = dev.ReadCd(out cmdBuf, out _, (uint)i, 2352, 1, MmcSectorTypes.AllTypes, false, false, true,
MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None, MmcSubchannel.None,
dev.Timeout, out _);
if (sense || dev.Error)
{
sense = dev.ReadCd(out cmdBuf, out _, (uint)i, 2352, 1, MmcSectorTypes.Cdda, false, false, true,
MmcHeaderCodes.None, true, true, MmcErrorField.None, MmcSubchannel.None,
dev.Timeout, out _);
if (sense || !dev.Error)
{
videoNowColorFrame = null;
break;
}
}
Array.Copy(cmdBuf, 0, videoNowColorFrame, i * 2352, 2352);
}
if (decodedToc.HasValue)
{
FullTOC.TrackDataDescriptor firstTrack =
decodedToc.Value.TrackDescriptors.FirstOrDefault(t => t.POINT == 1);
if (firstTrack.POINT == 1)
{
uint firstTrackSector = (uint)(((firstTrack.PHOUR * 3600 * 75) + (firstTrack.PMIN * 60 * 75) +
(firstTrack.PSEC * 75) + firstTrack.PFRAME) - 150);
// Check for hidden data before start of track 1
if (firstTrackSector > 0)
{
sense = dev.ReadCd(out sector0, out _, 0, 2352, 1, MmcSectorTypes.AllTypes, false, false, true,
MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!dev.Error &&
!sense)
{
hiddenTrack = true;
hiddenData = IsData(sector0);
if (hiddenData)
{
sense = dev.ReadCd(out byte[] sector16, out _, 16, 2352, 1, MmcSectorTypes.AllTypes,
false, false, true, MmcHeaderCodes.AllHeaders, true, true,
MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (IsCdi(sector0, sector16))
{
mediaType = MediaType.CDIREADY;
}
}
}
}
}
}
sector0 = null;
switch (mediaType)
{
case MediaType.CD:
case MediaType.CDDA:
case MediaType.CDPLUS:
case MediaType.CDROM:
case MediaType.CDROMXA:
{
sense = dev.ReadCd(out cmdBuf, out _, 0, 2352, 1, MmcSectorTypes.AllTypes, false, false, true,
MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None, MmcSubchannel.None,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector0 = new byte[2048];
Array.Copy(cmdBuf, 16, sector0, 0, 2048);
sense = dev.ReadCd(out cmdBuf, out _, 1, 2352, 1, MmcSectorTypes.AllTypes, false, false, true,
MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector1 = new byte[2048];
Array.Copy(cmdBuf, 16, sector1, 0, 2048);
}
sense = dev.ReadCd(out cmdBuf, out _, 4200, 2352, 1, MmcSectorTypes.AllTypes, false, false,
true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
playdia1 = new byte[2048];
Array.Copy(cmdBuf, 24, playdia1, 0, 2048);
}
sense = dev.ReadCd(out cmdBuf, out _, 4201, 2352, 1, MmcSectorTypes.AllTypes, false, false,
true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
playdia2 = new byte[2048];
Array.Copy(cmdBuf, 24, playdia2, 0, 2048);
}
if (startOfFirstDataTrack != uint.MaxValue)
{
sense = dev.ReadCd(out cmdBuf, out _, startOfFirstDataTrack, 2352, 1,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
firstDataSectorNotZero = new byte[2048];
Array.Copy(cmdBuf, 16, firstDataSectorNotZero, 0, 2048);
}
sense = dev.ReadCd(out cmdBuf, out _, startOfFirstDataTrack + 1, 2352, 1,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
secondDataSectorNotZero = new byte[2048];
Array.Copy(cmdBuf, 16, secondDataSectorNotZero, 0, 2048);
}
}
var ps2Ms = new MemoryStream();
for (uint p = 0; p < 12; p++)
{
sense = dev.ReadCd(out cmdBuf, out _, p, 2352, 1, MmcSectorTypes.AllTypes, false, false,
true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (sense || dev.Error)
{
break;
}
ps2Ms.Write(cmdBuf, cmdBuf[0x0F] == 0x02 ? 24 : 16, 2048);
}
if (ps2Ms.Length == 0x6000)
{
ps2BootSectors = ps2Ms.ToArray();
}
}
else
{
sense = dev.ReadCd(out cmdBuf, out _, 0, 2324, 1, MmcSectorTypes.Mode2, false, false, true,
MmcHeaderCodes.None, true, true, MmcErrorField.None, MmcSubchannel.None,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector0 = new byte[2048];
Array.Copy(cmdBuf, 0, sector0, 0, 2048);
sense = dev.ReadCd(out cmdBuf, out _, 1, 2324, 1, MmcSectorTypes.Mode2, false, false, true,
MmcHeaderCodes.None, true, true, MmcErrorField.None, MmcSubchannel.None,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector1 = new byte[2048];
Array.Copy(cmdBuf, 1, sector0, 0, 2048);
}
sense = dev.ReadCd(out cmdBuf, out _, 4200, 2324, 1, MmcSectorTypes.Mode2, false, false,
true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
playdia1 = new byte[2048];
Array.Copy(cmdBuf, 0, playdia1, 0, 2048);
}
sense = dev.ReadCd(out cmdBuf, out _, 4201, 2324, 1, MmcSectorTypes.Mode2, false, false,
true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
playdia2 = new byte[2048];
Array.Copy(cmdBuf, 0, playdia2, 0, 2048);
}
if (startOfFirstDataTrack != uint.MaxValue)
{
sense = dev.ReadCd(out cmdBuf, out _, startOfFirstDataTrack, 2324, 1,
MmcSectorTypes.Mode2, false, false, true, MmcHeaderCodes.None, true,
true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
firstDataSectorNotZero = new byte[2048];
Array.Copy(cmdBuf, 0, firstDataSectorNotZero, 0, 2048);
}
sense = dev.ReadCd(out cmdBuf, out _, startOfFirstDataTrack + 1, 2324, 1,
MmcSectorTypes.Mode2, false, false, true, MmcHeaderCodes.None, true,
true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
secondDataSectorNotZero = new byte[2048];
Array.Copy(cmdBuf, 0, secondDataSectorNotZero, 0, 2048);
}
}
var ps2Ms = new MemoryStream();
for (uint p = 0; p < 12; p++)
{
sense = dev.ReadCd(out cmdBuf, out _, p, 2324, 1, MmcSectorTypes.Mode2, false, false,
true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (sense || dev.Error)
{
break;
}
ps2Ms.Write(cmdBuf, 0, 2048);
}
if (ps2Ms.Length == 0x6000)
{
ps2BootSectors = ps2Ms.ToArray();
}
}
else
{
sense = dev.ReadCd(out cmdBuf, out _, 0, 2048, 1, MmcSectorTypes.Mode1, false, false, true,
MmcHeaderCodes.None, true, true, MmcErrorField.None, MmcSubchannel.None,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector0 = cmdBuf;
sense = dev.ReadCd(out cmdBuf, out _, 0, 2048, 1, MmcSectorTypes.Mode1, false, false,
true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector1 = cmdBuf;
}
sense = dev.ReadCd(out cmdBuf, out _, 0, 2048, 12, MmcSectorTypes.Mode1, false, false,
true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
ps2BootSectors = cmdBuf;
}
if (startOfFirstDataTrack != uint.MaxValue)
{
sense = dev.ReadCd(out cmdBuf, out _, startOfFirstDataTrack, 2048, 1,
MmcSectorTypes.Mode1, false, false, true, MmcHeaderCodes.None,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout,
out _);
if (!sense &&
!dev.Error)
{
firstDataSectorNotZero = cmdBuf;
}
sense = dev.ReadCd(out cmdBuf, out _, startOfFirstDataTrack + 1, 2048, 1,
MmcSectorTypes.Mode1, false, false, true, MmcHeaderCodes.None,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout,
out _);
if (!sense &&
!dev.Error)
{
secondDataSectorNotZero = cmdBuf;
}
}
}
else
{
goto case MediaType.DVDROM;
}
}
}
break;
}
// TODO: Check for CD-i Ready
case MediaType.CDI: break;
case MediaType.DVDROM:
case MediaType.HDDVDROM:
case MediaType.BDROM:
case MediaType.Unknown:
sense = dev.Read16(out cmdBuf, out _, 0, false, true, false, 0, 2048, 0, 1, false, dev.Timeout,
out _);
if (!sense &&
!dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read16(out cmdBuf, out _, 0, false, true, false, 1, 2048, 0, 1, false, dev.Timeout,
out _);
if (!sense &&
!dev.Error)
{
sector1 = cmdBuf;
}
sense = dev.Read16(out cmdBuf, out _, 0, false, true, false, 0, 2048, 0, 12, false, dev.Timeout,
out _);
if (!sense &&
!dev.Error &&
cmdBuf.Length == 0x6000)
{
ps2BootSectors = cmdBuf;
}
}
else
{
sense = dev.Read12(out cmdBuf, out _, 0, false, true, false, false, 0, 2048, 0, 1, false,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read12(out cmdBuf, out _, 0, false, true, false, false, 1, 2048, 0, 1, false,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector1 = cmdBuf;
}
sense = dev.Read12(out cmdBuf, out _, 0, false, true, false, false, 0, 2048, 0, 12, false,
dev.Timeout, out _);
if (!sense &&
!dev.Error &&
cmdBuf.Length == 0x6000)
{
ps2BootSectors = cmdBuf;
}
}
else
{
sense = dev.Read10(out cmdBuf, out _, 0, false, true, false, false, 0, 2048, 0, 1,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read10(out cmdBuf, out _, 0, false, true, false, false, 1, 2048, 0, 1,
dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector1 = cmdBuf;
}
sense = dev.Read10(out cmdBuf, out _, 0, false, true, false, false, 0, 2048, 0, 12,
dev.Timeout, out _);
if (!sense &&
!dev.Error &&
cmdBuf.Length == 0x6000)
{
ps2BootSectors = cmdBuf;
}
}
else
{
sense = dev.Read6(out cmdBuf, out _, 0, 2048, 1, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read6(out cmdBuf, out _, 1, 2048, 1, dev.Timeout, out _);
if (!sense &&
!dev.Error)
{
sector1 = cmdBuf;
}
sense = dev.Read6(out cmdBuf, out _, 0, 2048, 12, dev.Timeout, out _);
if (!sense &&
!dev.Error &&
cmdBuf.Length == 0x6000)
{
ps2BootSectors = cmdBuf;
}
}
}
}
}
break;
// Recordables will not be checked
case MediaType.CDR:
case MediaType.CDRW:
case MediaType.CDMRW:
case MediaType.DDCDR:
case MediaType.DDCDRW:
case MediaType.DVDR:
case MediaType.DVDRW:
case MediaType.DVDPR:
case MediaType.DVDPRW:
case MediaType.DVDPRWDL:
case MediaType.DVDRDL:
case MediaType.DVDPRDL:
case MediaType.DVDRAM:
case MediaType.DVDRWDL:
case MediaType.DVDDownload:
case MediaType.HDDVDRAM:
case MediaType.HDDVDR:
case MediaType.HDDVDRW:
case MediaType.HDDVDRDL:
case MediaType.HDDVDRWDL:
case MediaType.BDR:
case MediaType.BDRE:
case MediaType.BDRXL:
case MediaType.BDREXL: return;
}
if (sector0 == null)
{
return;
}
switch (mediaType)
{
case MediaType.CD:
case MediaType.CDDA:
case MediaType.CDPLUS:
case MediaType.CDROM:
case MediaType.CDROMXA:
// TODO: CDTV requires reading the filesystem, searching for a file called "/CDTV.TM"
// TODO: CD32 requires reading the filesystem, searching for a file called "/CD32.TM"
// TODO: Neo-Geo CD requires reading the filesystem and checking that the file "/IPL.TXT" is correct
// TODO: Pippin requires interpreting Apple Partition Map, reading HFS and checking for Pippin signatures
{
if (CD.DecodeIPBin(sector0).HasValue)
{
mediaType = MediaType.MEGACD;
return;
}
if (Saturn.DecodeIPBin(sector0).HasValue)
{
mediaType = MediaType.SATURNCD;
}
// Are GDR detectable ???
if (Dreamcast.DecodeIPBin(sector0).HasValue)
{
mediaType = MediaType.GDROM;
}
if (ps2BootSectors != null &&
ps2BootSectors.Length == 0x6000)
{
// The decryption key is applied as XOR. As first byte is originally always NULL, it gives us the key :)
byte decryptByte = ps2BootSectors[0];
for (int i = 0; i < 0x6000; i++)
{
ps2BootSectors[i] ^= decryptByte;
}
string ps2BootSectorsHash = Sha256Context.Data(ps2BootSectors, out _);
DicConsole.DebugWriteLine("Media-info Command", "PlayStation 2 boot sectors SHA256: {0}",
ps2BootSectorsHash);
if (ps2BootSectorsHash == PS2_PAL_HASH ||
ps2BootSectorsHash == PS2_NTSC_HASH ||
ps2BootSectorsHash == PS2_JAPANESE_HASH)
{
mediaType = MediaType.PS2CD;
}
}
if (sector0 != null)
{
byte[] syncBytes = new byte[7];
Array.Copy(sector0, 0, syncBytes, 0, 7);
if (_operaId.SequenceEqual(syncBytes))
{
mediaType = MediaType.ThreeDO;
}
if (_fmTownsBootId.SequenceEqual(syncBytes))
{
mediaType = MediaType.FMTOWNS;
}
}
if (playdia1 != null &&
playdia2 != null)
{
byte[] pd1 = new byte[_playdiaCopyright.Length];
byte[] pd2 = new byte[_playdiaCopyright.Length];
Array.Copy(playdia1, 38, pd1, 0, pd1.Length);
Array.Copy(playdia2, 0, pd2, 0, pd1.Length);
if (_playdiaCopyright.SequenceEqual(pd1) &&
_playdiaCopyright.SequenceEqual(pd2))
{
mediaType = MediaType.Playdia;
}
}
if (secondDataSectorNotZero != null)
{
byte[] pce = new byte[_pcEngineSignature.Length];
Array.Copy(secondDataSectorNotZero, 32, pce, 0, pce.Length);
if (_pcEngineSignature.SequenceEqual(pce))
{
mediaType = MediaType.SuperCDROM2;
}
}
if (firstDataSectorNotZero != null)
{
byte[] pcfx = new byte[_pcFxSignature.Length];
Array.Copy(firstDataSectorNotZero, 0, pcfx, 0, pcfx.Length);
if (_pcFxSignature.SequenceEqual(pcfx))
{
mediaType = MediaType.PCFX;
}
}
if (firstTrackSecondSessionAudio != null)
{
byte[] jaguar = new byte[_atariSignature.Length];
for (int i = 0; i + jaguar.Length <= firstTrackSecondSessionAudio.Length; i += 2)
{
Array.Copy(firstTrackSecondSessionAudio, i, jaguar, 0, jaguar.Length);
if (!_atariSignature.SequenceEqual(jaguar))
{
continue;
}
mediaType = MediaType.JaguarCD;
break;
}
}
if (firstTrackSecondSession != null)
{
if (firstTrackSecondSession.Length >= 2336)
{
byte[] milcd = new byte[2048];
Array.Copy(firstTrackSecondSession, 24, milcd, 0, 2048);
if (Dreamcast.DecodeIPBin(milcd).HasValue)
{
mediaType = MediaType.MilCD;
}
}
}
// TODO: Detect black and white VideoNow
// TODO: Detect VideoNow XP
if (IsVideoNowColor(videoNowColorFrame))
{
mediaType = MediaType.VideoNowColor;
}
break;
}
// TODO: Check for CD-i Ready
case MediaType.CDI: break;
case MediaType.DVDROM:
case MediaType.HDDVDROM:
case MediaType.BDROM:
case MediaType.Unknown:
// TODO: Nuon requires reading the filesystem, searching for a file called "/NUON/NUON.RUN"
if (ps2BootSectors != null &&
ps2BootSectors.Length == 0x6000)
{
// The decryption key is applied as XOR. As first byte is originally always NULL, it gives us the key :)
byte decryptByte = ps2BootSectors[0];
for (int i = 0; i < 0x6000; i++)
{
ps2BootSectors[i] ^= decryptByte;
}
string ps2BootSectorsHash = Sha256Context.Data(ps2BootSectors, out _);
DicConsole.DebugWriteLine("Media-info Command", "PlayStation 2 boot sectors SHA256: {0}",
ps2BootSectorsHash);
if (ps2BootSectorsHash == PS2_PAL_HASH ||
ps2BootSectorsHash == PS2_NTSC_HASH ||
ps2BootSectorsHash == PS2_JAPANESE_HASH)
{
mediaType = MediaType.PS2DVD;
}
}
if (sector1 != null)
{
byte[] tmp = new byte[_ps3Id.Length];
Array.Copy(sector1, 0, tmp, 0, tmp.Length);
if (tmp.SequenceEqual(_ps3Id))
{
switch (mediaType)
{
case MediaType.BDROM:
mediaType = MediaType.PS3BD;
break;
case MediaType.DVDROM:
mediaType = MediaType.PS3DVD;
break;
}
}
tmp = new byte[_ps4Id.Length];
Array.Copy(sector1, 512, tmp, 0, tmp.Length);
if (tmp.SequenceEqual(_ps4Id) &&
mediaType == MediaType.BDROM)
{
mediaType = MediaType.PS4BD;
}
}
// TODO: Identify discs that require reading tracks (PC-FX, PlayStation, Sega, etc)
break;
}
}
