public static void unescapeNAL(System.IO.MemoryStream _buf)
{
if (_buf.Position - _buf.Length < 2)
{
return;
}
System.IO.MemoryStream inb = new System.IO.MemoryStream(_buf.ToArray());
System.IO.MemoryStream outb = new System.IO.MemoryStream(_buf.ToArray());
byte p1 = (byte)inb.ReadByte();
outb.WriteByte(p1);
byte p2 = (byte)inb.ReadByte();
outb.WriteByte(p2);
while (inb.Position < inb.Length)
{
byte b = (byte)inb.ReadByte();
if (p1 != 0 || p2 != 0 || b != 3)
{
outb.WriteByte(b);
}
p1 = p2;
p2 = b;
}
_buf.SetLength(outb.Position);
}
/// <summary>
/// Serialise the enumeration or array.
/// </summary>
public byte[] ArrayToArrayText(NpgsqlNativeTypeInfo TypeInfo, object NativeData, Boolean forExtendedQuery, NativeToBackendTypeConverterOptions options, bool arrayElement)
{
MemoryStream array = new MemoryStream();
if (! forExtendedQuery)
{
if (! options.UseConformantStrings && options.Supports_E_StringPrefix)
{
array.WriteByte((byte)ASCIIBytes.E);
}
array.WriteByte((byte)ASCIIBytes.SingleQuote);
}
if (! WriteItemText(TypeInfo, NativeData, array, forExtendedQuery, options))
{
array.Write(ASCIIArrayByteArrays.EmptyArray, 0, ASCIIArrayByteArrays.EmptyArray.Length);
}
if (! forExtendedQuery)
{
array.WriteByte((byte)ASCIIBytes.SingleQuote);
}
return array.ToArray();
}
public override void Write(ref NetworkStream netstream)
{
using (Stream stream = new MemoryStream())
{
// write id
stream.Write(BitConverter.GetBytes((ushort)this.ID), 0, 2);
// write body size
stream.Write(BitConverter.GetBytes(0), 0, 4);
// write isAdult
stream.WriteByte(BitConverter.GetBytes(this.isAdult)[0]);
// write UnderFifteen
stream.WriteByte(BitConverter.GetBytes(this.UnderFifteen)[0]);
// write Family
stream.WriteByte(BitConverter.GetBytes(this.Family)[0]);
// write Status
stream.WriteByte(this.Status);
// write LastDay
stream.Write(BitConverter.GetBytes(this.LastDay), 0, 2);
// write PayType
stream.WriteByte(this.PayType);
// copy stream to netstream
stream.Position = 0;
stream.CopyTo(netstream);
}
}
// RFC: http://www.w3.org/TR/html5/forms.html#application/x-www-form-urlencoded-encoding-algorithm
private void UrlEncodeAndWrite(string value, MemoryStream memoryStream)
{
foreach (char symbol in value)
{
if (unreservedChars.IndexOf(symbol) != -1)
{
memoryStream.WriteByte((byte)symbol);
}
else if (symbol == ' ')
{
memoryStream.WriteByte(plus);
}
else if (symbol < 255)
{
var encodedValue = Encoding.ASCII.GetBytes(String.Format("%{0:X2}", (byte)symbol));
memoryStream.Write(encodedValue, 0, encodedValue.Length);
}
else
{
var bytes = Encoding.UTF8.GetBytes(new[] { symbol });
foreach (var @byte in bytes)
{
var encodedValue = Encoding.ASCII.GetBytes(String.Format("%{0:X2}", @byte));
memoryStream.Write(encodedValue, 0, encodedValue.Length);
}
}
}
}
public void initiateImageTransfer(DlmsClient dlms, PhyLayer phy, ImageInformation imageInfo)
{
try
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(DlmsType.STRUCTURE.tag);
stream.WriteByte(2); // size
stream.WriteByte(DlmsType.OCTET_STRING.tag);
stream.WriteByte((byte)(imageInfo.getIdentifier().Length));
//stream.WriteByte(imageInfo.getIdentifier());
byte[] aux = imageInfo.getIdentifier();
//Array.Reverse(aux);
stream.Write(aux, 0, aux.Length);
stream.WriteByte(DlmsType.UINT32.tag);
//stream.WriteByte(ByteBuffer.allocate(4).putInt(imageInfo.getImage().Length).array());
stream.Write(new byte[] { (byte)(imageInfo.getImage().Length >> 24), (byte)(imageInfo.getImage().Length >> 16), (byte)(imageInfo.getImage().Length >> 8), (byte)(imageInfo.getImage().Length) }, 0, imageInfo.getImage().Length);
dlms.action(phy, createDesc(mtdTransferInitiate, stream.ToArray()));
}
catch (IOException)
{
throw new ImageTransferException(ImageTransferExceptionReason.INTERNAL_ERROR);
}
}
public void ReadBitTest()
{
var mem = new MemoryStream();
mem.WriteByte(0xaa);
mem.WriteByte(0x73);
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
Assert.AreEqual(true, reader.ReadBit(), "Bit 0");
Assert.AreEqual(false, reader.ReadBit(), "Bit 1");
Assert.AreEqual(true, reader.ReadBit(), "Bit 2");
Assert.AreEqual(false, reader.ReadBit(), "Bit 3");
Assert.AreEqual(true, reader.ReadBit(), "Bit 4");
Assert.AreEqual(false, reader.ReadBit(), "Bit 5");
Assert.AreEqual(true, reader.ReadBit(), "Bit 6");
Assert.AreEqual(false, reader.ReadBit(), "Bit 7");
Assert.AreEqual(false, reader.ReadBit(), "Bit 8");
Assert.AreEqual(true, reader.ReadBit(), "Bit 9");
Assert.AreEqual(true, reader.ReadBit(), "Bit 10");
Assert.AreEqual(true, reader.ReadBit(), "Bit 11");
Assert.AreEqual(false, reader.ReadBit(), "Bit 12");
Assert.AreEqual(false, reader.ReadBit(), "Bit 13");
Assert.AreEqual(true, reader.ReadBit(), "Bit 14");
Assert.AreEqual(true, reader.ReadBit(), "Bit 15");
Assert.AreEqual(mem.Length, mem.Position, "Should reach end of the stream");
}
public byte[] Escape(byte msgId, byte[] data)
{
ushort sum1 = 0;
ushort sum2 = 0;
MemoryStream mem = new MemoryStream();
// write start byte
mem.WriteByte(0x7F);
AppendByte(mem, msgId, ref sum1, ref sum2);
for (int i = 0; i < data.Length; i++)
{
AppendByte(mem, data[i], ref sum1, ref sum2);
}
// write checksum bytes
mem.WriteByte((byte)(sum2 & 0xFF));
mem.WriteByte((byte)(sum1 & 0xFF));
// write end byte
mem.WriteByte(0x7E);
return mem.ToArray();
}
public static byte[] Compress(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
using (var output = new MemoryStream())
{
// ZLib Header 0x78 0x9C
output.WriteByte(0x78);
output.WriteByte(0x9C);
using (var input = new MemoryStream(data))
{
using (var compressionStream = new DeflateStream(output, CompressionMode.Compress, true))
{
input.CopyTo(compressionStream);
compressionStream.Close();
// Adler32 hash of the uncompressed data
var adler32 = new Adler32();
adler32.Update(data);
byte[] hash = BitConverter.GetBytes((int) adler32.Value);
Array.Reverse(hash);
output.Write(hash, 0, hash.Length);
return output.ToArray();
}
}
}
}
public byte[] snrmRequest()
{
System.IO.MemoryStream dataout = new System.IO.MemoryStream();
System.IO.MemoryStream data = new System.IO.MemoryStream();
if (parameters.maxInformationFieldLengthTx < 128)
{
data.WriteByte(0x05);
data.WriteByte(1);
data.WriteByte((byte)parameters.maxInformationFieldLengthTx);
}
else if (parameters.maxInformationFieldLengthTx > 128)
{
data.WriteByte(0x05);
data.WriteByte(2);
data.WriteByte((byte)(parameters.maxInformationFieldLengthTx >> 8));
data.WriteByte((byte)parameters.maxInformationFieldLengthTx);
}
if (parameters.maxInformationFieldLengthRx < 128)
{
data.WriteByte(0x06);
data.WriteByte(1);
data.WriteByte((byte)parameters.maxInformationFieldLengthRx);
}
else if (parameters.maxInformationFieldLengthRx > 128)
{
data.WriteByte(0x06);
data.WriteByte(2);
data.WriteByte((byte)(parameters.maxInformationFieldLengthRx >> 8));
data.WriteByte((byte)parameters.maxInformationFieldLengthRx);
}
if (parameters.windowSizeTx != 1)
{
data.WriteByte(0x07);
data.WriteByte(4);
data.WriteByte((byte)(parameters.windowSizeTx >> 24));
data.WriteByte((byte)(parameters.windowSizeTx >> 16));
data.WriteByte((byte)(parameters.windowSizeTx >> 8));
data.WriteByte((byte)parameters.windowSizeTx);
}
if (parameters.windowSizeRx != 1)
{
data.WriteByte(0x08);
data.WriteByte(4);
data.WriteByte((byte)(parameters.windowSizeRx >> 24));
data.WriteByte((byte)(parameters.windowSizeRx >> 16));
data.WriteByte((byte)(parameters.windowSizeRx >> 8));
data.WriteByte((byte)parameters.windowSizeRx);
}
if (data.Length > 0)
{
dataout.WriteByte(0x80);
dataout.WriteByte(0x81);
dataout.WriteByte((byte)data.Length);
dataout.Write(data.ToArray(), 0, (int)data.Length);
}
byte[] dataBytes = dataout.ToArray();
initFrame(SNRM_CONTROL, dataBytes.Length);
updateFrame(dataBytes);
return(getFrame());
}
/// <summary>
/// 获取指定区的GB2312代码
/// </summary>
/// <param name="stream">指定区的GB2312代码将写入（已UTF8编码）</param>
/// <param name="st">开始区号</param>
/// <param name="end">结束区号</param>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="ArgumentNullException"></exception>
public static void GetChars(Stream stream, int st, int end)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (st <= 0 || st > 94)
{
throw new ArgumentOutOfRangeException("st","开始区号应大于或等于0或小于94");
}
if (end >95||end<=st)
{
throw new ArgumentOutOfRangeException("end","结束区号应大于开始区号并小于96");
}
MemoryStream ms = new MemoryStream((end-st)*94*2);
for (byte q = (byte)(0xa0 + st); q < 0xa0 + end; q++)
{
for (byte w = 0xa0 + 1; w <= 94 + 0xa0; w++)
{
ms.WriteByte(q);
ms.WriteByte(w);
}
}
GBtoUTF8(stream, ms);
ms.Dispose();
}
public byte[] GetBytes(ID3v2TagVersion tagVersion)
{
if ((this.m_PictureData == null) || (this.m_PictureData.Length == 0))
{
return new byte[0];
}
this.TextEncoding = EncodingType.ISO88591;
using (MemoryStream stream1 = new MemoryStream())
{
stream1.WriteByte((byte) this.m_TextEncoding);
if (tagVersion == ID3v2TagVersion.ID3v22)
{
string text1 = this.PictureExtension;
if (string.IsNullOrEmpty(text1) || (text1.Length < 3))
{
text1 = " ";
}
else if (text1.Length > 3)
{
text1 = text1.Substring(0, 3);
}
Utils.Write(stream1, Encoding.ASCII.GetBytes(text1));
}
else
{
this.SetMimeType();
Utils.Write(stream1, Utils.ISO88591GetBytes(this.m_MimeType));
stream1.WriteByte(0);
}
stream1.WriteByte((byte) this.m_PictureType);
Utils.Write(stream1, Utils.GetStringBytes(tagVersion, this.m_TextEncoding, this.m_Description, true));
Utils.Write(stream1, this.m_PictureData);
return this.m_FrameHeader.GetBytes(stream1, tagVersion, this.GetFrameID(tagVersion));
}
}
public byte[] ToBytes()
{
MemoryStream memoryStream = new MemoryStream();
byte[] buffer;
if (Child.Count > 0)
{
if (ValueType == 'l')
{
memoryStream.WriteByte((byte)'l');
}
else if (ValueType == 'd')
{
memoryStream.WriteByte((byte)'d');
}
Child.ForEach(node =>
{
buffer = node.ToBytes();
memoryStream.Write(buffer, 0, buffer.Length);
});
memoryStream.WriteByte((byte)'e');
}
else
{
buffer = Encoding.UTF8.GetBytes(String.Format("{0}:", _value.Length));
memoryStream.Write(buffer, 0, buffer.Length);
memoryStream.Write(_value, 0, _value.Length);
}
return memoryStream.ToArray();
}
public void Write(WebSocketOpCode opCode, byte[] payload, bool isLastFrame)
{
// best to write everything to a memory stream before we push it onto the wire
// not really necessary but I like it this way
using (MemoryStream memoryStream = new MemoryStream())
{
byte finBitSetAsByte = isLastFrame ? (byte)0x80 : (byte)0x00;
byte byte1 = (byte)(finBitSetAsByte | (byte)opCode);
memoryStream.WriteByte(byte1);
// NB, dont set the mask flag. No need to mask data from server to client
// depending on the size of the length we want to write it as a byte, ushort or ulong
if (payload.Length < 126)
{
byte byte2 = (byte)payload.Length;
memoryStream.WriteByte(byte2);
}
else if (payload.Length <= ushort.MaxValue)
{
byte byte2 = 126;
memoryStream.WriteByte(byte2);
BinaryReaderWriter.WriteUShort((ushort)payload.Length, memoryStream, false);
}
else
{
byte byte2 = 127;
memoryStream.WriteByte(byte2);
BinaryReaderWriter.WriteULong((ulong)payload.Length, memoryStream, false);
}
memoryStream.Write(payload, 0, payload.Length);
byte[] buffer = memoryStream.ToArray();
_stream.Write(buffer, 0, buffer.Length);
}
}
public MFTestResults VerifyClose()
{
MFTestResults result = MFTestResults.Pass;
try
{
MemoryStream ms = new MemoryStream();
ms.WriteByte(0);
Log.Comment("Close stream");
ms.Close();
try
{
Log.Comment("Verify actually closed by writing to it");
ms.WriteByte(0);
result = MFTestResults.Fail;
Log.Exception("Expected ObjectDisposedException");
}
catch (ObjectDisposedException) { /* pass case */ }
}
catch (Exception ex)
{
result = MFTestResults.Fail;
Log.Exception("Unexpected exception", ex);
}
return result;
}
/// <summary>
/// Generates the APDU for a GET request </summary>
/// <param name="att"> LnDescriptor describing the object to be accessed </param>
/// <returns> byte array representation of the APDU </returns>
/// <exception cref="DlmsException"> </exception>
public byte[] requestGet(LnDescriptor att)
{
try
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(Constants.xDlmsApdu.NoCiphering.GET_REQUEST);
stream.WriteByte((byte)(connection.datablock.blockNum == 0 ? 1 : 2));
stream.WriteByte((byte)(parameters.priority | parameters.serviceClass | Constants.INVOKE_ID));
if (connection.datablock.blockNum != 0)
{
//stream.WriteByte(ByteBuffer.allocate(4).putInt(connection.datablock.blockNum).array());
stream.Write(new byte[] { (byte)(connection.datablock.blockNum >> 24), (byte)(connection.datablock.blockNum >> 16), (byte)(connection.datablock.blockNum >> 8), (byte)(connection.datablock.blockNum) }, 0, 4);
}
else
{
//Array.Reverse(att.getClassId());
stream.Write(att.getClassId(), 0, att.getClassId().Length);
//Array.Reverse(att.getObis());
stream.Write(att.getObis(), 0, att.getObis().Length);
stream.WriteByte((byte)(att.getIndex()));
stream.WriteByte((byte)(att.getRequestData().Length == 0 ? 0 : 1));
//Array.Reverse(att.getRequestData());
stream.Write(att.getRequestData(), 0, att.getRequestData().Length);
}
return(packFrame(Constants.xDlmsApdu.GlobalCiphering.GET_REQUEST, stream.ToArray()));
}
catch (IOException)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.INTERNAL_ERROR);
}
}
private static byte[] FrameData(byte[] payload, FrameType frameType)
{
using (var memoryStream = new MemoryStream())
{
var op = (byte) ((byte) frameType + 128);
memoryStream.WriteByte(op);
if (payload.Length > UInt16.MaxValue)
{
memoryStream.WriteByte(127);
var lengthBytes = payload.Length.ToBigEndianBytes<ulong>();
memoryStream.Write(lengthBytes, 0, lengthBytes.Length);
}
else if (payload.Length > 125)
{
memoryStream.WriteByte(126);
var lengthBytes = payload.Length.ToBigEndianBytes<ushort>();
memoryStream.Write(lengthBytes, 0, lengthBytes.Length);
}
else
{
memoryStream.WriteByte((byte) payload.Length);
}
memoryStream.Write(payload, 0, payload.Length);
return memoryStream.ToArray();
}
}
public string Receive()
{
int ib = 0x00;
MemoryStream ms = new MemoryStream();
for (; _stream.ReadByte() != 0x0B; ) ;
while (true) {
if (ib == 0x1C) {
ib = _stream.ReadByte();
if (ib == 0x0D)
break;
ms.WriteByte(0x1C);
ms.WriteByte((byte)ib);
}
else {
ib = _stream.ReadByte();
if (ib != 0x1C)
ms.WriteByte((byte)ib);
}
}
if (_version3) {
_stream.Write(ACK, 0, ACK.Length);
_stream.Flush();
}
#if SILVERLIGHT
return Encoding.UTF8.GetString(ms.ToArray(), 0, (int)ms.Length);
#else
return Encoding.ASCII.GetString(ms.ToArray());
#endif
}
static void Main(string[] args)
{
MemoryStream m = new MemoryStream(64);
Console.WriteLine("Lenth: {0}\tPosition: {1}\tCapacity: {2}",
m.Length, m.Position, m.Capacity);
for (int i = 0; i < 64; i++)
{
m.WriteByte((byte)i);
}
string s = "Foo";
for (int i = 0; i < 3; i++)
{
m.WriteByte((byte)s[i]);
}
Console.WriteLine("Length: {0}\tPosition: {1}\tCapacity: {2}",
m.Length, m.Position, m.Capacity);
Console.WriteLine("\nContents:");
byte[] ba = m.GetBuffer();
foreach (byte b in ba)
{
Console.Write("{0,-3}", b);
}
FileStream fs = new FileStream("Goo.txt", FileMode.Create, FileAccess.Write);
m.WriteTo(fs);
fs.Close();
m.Close();
Console.ReadLine();
}
public byte[] Explode(int ExpectedSize)
{
int num;
byte[] buffer = new byte[ExpectedSize];
Stream stream = new MemoryStream(buffer);
while ((num = this.DecodeLit()) != -1)
{
if (num < 0x100)
{
stream.WriteByte((byte) num);
}
else
{
int length = num - 0xfe;
int num3 = this.DecodeDist(length);
if (num3 == 0)
{
goto Label_0067;
}
int num4 = ((int) stream.Position) - num3;
while (length-- > 0)
{
stream.WriteByte(buffer[num4++]);
}
}
}
Label_0067:
if (stream.Position == ExpectedSize)
{
return buffer;
}
byte[] destinationArray = new byte[stream.Position];
Array.Copy(buffer, 0, destinationArray, 0, destinationArray.Length);
return destinationArray;
}
public void SubStream()
{
var stream = new MemoryStream();
stream.WriteByte(0xff);
stream.Write(Misc.Members, 0, Misc.Members.Length);
stream.WriteByte(0xff);
stream.WriteByte(0xff);
stream.Position = 1;
var peReader1 = new PEReader(stream, PEStreamOptions.LeaveOpen, Misc.Members.Length);
Assert.Equal(Misc.Members.Length, peReader1.GetEntireImage().Length);
peReader1.GetMetadataReader();
stream.Position = 1;
var peReader2 = new PEReader(stream, PEStreamOptions.LeaveOpen | PEStreamOptions.PrefetchMetadata, Misc.Members.Length);
Assert.Equal(Misc.Members.Length, peReader2.GetEntireImage().Length);
peReader2.GetMetadataReader();
stream.Position = 1;
var peReader3 = new PEReader(stream, PEStreamOptions.LeaveOpen | PEStreamOptions.PrefetchEntireImage, Misc.Members.Length);
Assert.Equal(Misc.Members.Length, peReader3.GetEntireImage().Length);
peReader3.GetMetadataReader();
}
/// <summary>
/// QuotedPrintable编码接码
/// </summary>
/// <param name="p_Text">原始文字</param>
/// <param name="p_Encoding">编码方式</param>
/// <returns>接码后信息</returns>
public string DecodeQuotedPrintable(string p_Text, System.Text.Encoding p_Encoding)
{
System.IO.MemoryStream _Stream = new System.IO.MemoryStream();
char[] _CharValue = p_Text.ToCharArray();
for (int i = 0; i != _CharValue.Length; i++)
{
switch (_CharValue[i])
{
case '=':
if (_CharValue[i + 1] == '\r' || _CharValue[i + 1] == '\n')
{
i += 2;
}
else
{
try
{
_Stream.WriteByte(Convert.ToByte(_CharValue[i + 1].ToString() + _CharValue[i + 2].ToString(), 16));
i += 2;
}
catch
{
_Stream.WriteByte(Convert.ToByte(_CharValue[i]));
}
}
break;
default:
_Stream.WriteByte(Convert.ToByte(_CharValue[i]));
break;
}
}
return(p_Encoding.GetString(_Stream.ToArray()));
}
/// <summary>
/// Converts image to UPD packet payload
///
/// <--- 8 ---> <--- 8 --->
/// ┌────────────────────┬────────────────────┐
/// │Message type │Comp.-len in byte │
/// ├────────────────────┴────────────────────┤
/// │ Number of vectors │
/// ├─────────────────────────────────────────┤
/// │ │
/// ... Vectors! ...
/// │ │
/// └─────────────────────────────────────────┘
///
/// </summary>
/// <returns></returns>
public byte[] ToPacket()
{
using (MemoryStream ms = new MemoryStream())
{
// Write package type
ms.WriteByte((byte)PacketType.Image);
// Write component length
ms.WriteByte(COMPONENT_LENGTH);
// Write number of vectors
//ms.WriteByte((byte)_vectors.GetLength(0));
ms.Write(BitConverter.GetBytes(_vectors.GetLength(0)), 0, 2);
// Write vectors
for (int i = 0; i < _vectors.GetLength(0); i++)
{
ms.WriteByte(_vectors[i, 0]);
ms.WriteByte(_vectors[i, 1]);
ms.WriteByte(_vectors[i, 2]);
}
return ms.ToArray();
}
}
public fitFileWrite(StreamReader file, FileStream fitFile)
{
MemoryStream memStream = new MemoryStream();
fitstream = new FitFieldStream(memStream);
memStream.Seek(HEADERSIZE, SeekOrigin.Begin);
while (!file.EndOfStream)
{
string[] str = file.ReadLine().Split(';');
if (str[0] == "data")
writeData(str, st);
if (str[0] == "def")
writeDefintion(str);
}
int size = (int)memStream.Position - HEADERSIZE;
memStream.Seek(0, SeekOrigin.Begin);
writeFitHeader(size, HEADERSIZE);
UInt16 crc = 0;
memStream.Seek(0, SeekOrigin.Begin);
while (memStream.Position < memStream.Length)
{
crc = fitstream.Get16(crc, (byte)memStream.ReadByte());
}
memStream.WriteByte((byte)(crc & 0xFF));
memStream.WriteByte((byte)(crc >> 8));
fitFile.Write(memStream.GetBuffer(), 0, (int)memStream.Position);
}
public byte[] SerializeToByteArray()
{
byte[] ret = new byte[ClassFile.DATA_SIZE + 1 + Name.Length];
for (int i = 0; i < ret.Length; ++i)
ret[i] = 254;
using (MemoryStream mem = new MemoryStream(ret))
{
mem.WriteByte(Packet.EncodeNumber(Name.Length, 1)[0]);
byte[] name = Encoding.ASCII.GetBytes(Name);
mem.Write(name, 0, name.Length);
mem.WriteByte(Base);
mem.WriteByte(Type);
mem.Write(Packet.EncodeNumber(Str, 2), 0, 2);
mem.Write(Packet.EncodeNumber(Int, 2), 0, 2);
mem.Write(Packet.EncodeNumber(Wis, 2), 0, 2);
mem.Write(Packet.EncodeNumber(Agi, 2), 0, 2);
mem.Write(Packet.EncodeNumber(Con, 2), 0, 2);
mem.Write(Packet.EncodeNumber(Cha, 2), 0, 2);
}
return ret;
}
public override void Write(ref NetworkStream netstream)
{
using (Stream stream = new MemoryStream())
{
// write id
stream.Write(BitConverter.GetBytes((ushort)this.ID), 0, 2);
// write temporary size
stream.Write(BitConverter.GetBytes(0), 0, 4);
// store header size
int headersize = (int)stream.Position;
// write name
stream.WriteByte((byte)this.Name.Length);
stream.Write(Encoding.ASCII.GetBytes(this.Name), 0, this.Name.Length);
// write exists
stream.WriteByte(BitConverter.GetBytes(this.Exists)[0]);
// go back and write body size
this.BodySize = (uint)(stream.Length - headersize);
stream.Position = 2;
stream.Write(BitConverter.GetBytes(this.BodySize), 0, 4);
// copy stream to netstream
stream.Position = 0;
stream.CopyTo(netstream);
}
}
/// <summary>
/// Generates the next APDU for establishment of a association with the metering devices
/// The number and content of the APDU will vary according to the HdlcParams configuration </summary>
/// <returns> the array of bytes that represents the next APDU to be sent for connection establishment </returns>
/// <exception cref="DlmsException"> </exception>
public byte[] connectionRequest()
{
try
{
switch (state)
{
case yadi.dlms.cosem.Cosem.ConnectionState.DISCONNECTED:
connection.reset();
return(Aarq.request(parameters, connection)); //OK
case yadi.dlms.cosem.Cosem.ConnectionState.CONNECTED:
LnDescriptor att = new LnDescriptor(DlmsClass.ASSOCIATION_LN.id, new Obis("0.0.40.0.0.255"), 1);
byte[] data = Security.processChallanger(parameters, connection);
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(Constants.DataType.OCTET_STRING);
stream.WriteByte((byte)data.Length);
//Array.Reverse(data);
stream.Write(data, 0, data.Length);
att.setRequestData(stream.ToArray());
return(requestAction(att));
case yadi.dlms.cosem.Cosem.ConnectionState.AUTHENTICATED:
throw new System.InvalidOperationException();
default:
throw new System.InvalidOperationException();
}
}
catch (IOException)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.INTERNAL_ERROR);
}
}
public IEnumerable<byte[]> Encode(byte[] bytes)
{
if (bytes.Length <= maxSize)
yield return bytes;
else
{
var messageChunkSize = maxSize - HeaderSize;
var chunksCount = bytes.Length / messageChunkSize + 1;
if(chunksCount > MaxChunkCount)
throw new ArgumentOutOfRangeException("bytes");
var remainingBytes = bytes.Length;
var messageId = idGenerator.GenerateId(bytes);
for (var chunkSequenceNumber = 0; chunkSequenceNumber < chunksCount; ++chunkSequenceNumber)
{
var chunkOffset = chunkSequenceNumber * messageChunkSize;
var chunkBytes = Math.Min(messageChunkSize, remainingBytes);
using (var stream = new MemoryStream(messageChunkSize))
{
stream.WriteByte(0x1e);
stream.WriteByte(0x0f);
stream.Write(messageId, 0, messageId.Length);
stream.WriteByte((byte)chunkSequenceNumber);
stream.WriteByte((byte)chunksCount);
stream.Write(bytes, chunkOffset, chunkBytes);
yield return stream.ToArray();
}
remainingBytes -= chunkBytes;
}
}
}
protected void WriteHandshake (MemoryStream ms)
{
Context.SupportedCiphers = CipherSuiteFactory.GetSupportedCiphers (SecurityProtocolType.Tls);
ms.WriteByte (0x16); // Handshake
ms.WriteByte (3); // version-major
ms.WriteByte (1); // version-minor
}
public static byte[] Make(string scope)
{
Encoding encoding = Encoding.ASCII;
byte[] accessKey = encoding.GetBytes(Config.ACCESS_KEY);
byte[] secretKey = encoding.GetBytes(Config.SECRET_KEY);
byte[] upToken = null;
try
{
byte[] policyBase64 = encoding.GetBytes(Base64UrlSafe.Encode(scope));
byte[] digestBase64 = null;
using (HMACSHA1 hmac = new HMACSHA1(secretKey))
{
byte[] digest = hmac.ComputeHash(policyBase64);
digestBase64 = encoding.GetBytes(Base64UrlSafe.Encode(digest));
}
using (MemoryStream buffer = new MemoryStream())
{
buffer.Write(accessKey, 0, accessKey.Length);
buffer.WriteByte((byte)':');
buffer.Write(digestBase64, 0, digestBase64.Length);
buffer.WriteByte((byte)':');
buffer.Write(policyBase64, 0, policyBase64.Length);
upToken = buffer.ToArray();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return upToken;
}
public override ChunkRaw CreateRawChunk()
{
if (key.Length == 0)
{
throw new System.Exception("Text chunk key must be non empty");
}
var ba = new IO.MemoryStream();
ChunkHelper.WriteBytesToStream(ba, ChunkHelper.ToBytes(key));
ba.WriteByte(0); // separator
ba.WriteByte(compressed ? (byte)1 : (byte)0);
ba.WriteByte(0); // compression method (always 0)
ChunkHelper.WriteBytesToStream(ba, ChunkHelper.ToBytes(langTag));
ba.WriteByte(0); // separator
ChunkHelper.WriteBytesToStream(ba, ChunkHelper.ToBytesUTF8(translatedTag));
ba.WriteByte(0); // separator
byte[] textbytes = ChunkHelper.ToBytesUTF8(val);
if (compressed)
{
textbytes = ChunkHelper.CompressBytes(textbytes, true);
}
ChunkHelper.WriteBytesToStream(ba, textbytes);
byte[] b = ba.ToArray();
ChunkRaw chunk = CreateEmptyChunk(b.Length, false);
chunk.Data = b;
return(chunk);
}
internal static byte[] Cipher(byte[] buffer, ref byte[] key, bool decrypt)
{
var cipher = new Blowfish(key);
var b = new byte[8];
using (var m = new MemoryStream(buffer, true))
{
while (m.Position < m.Length)
{
//Endian swap 2 sets of 4 bytes
for (int i = 3; i >= 0; i--)
{
b[i] = (byte)m.ReadByte();
}
for (int i = 7; i >= 4; i--)
{
b[i] = (byte)m.ReadByte();
}
//cipher the 8 bytes
if (decrypt) cipher.Decipher(b, 8);
else cipher.Encipher(b, 8);
//Reset stream position to prepare for writing.
m.Position -= 8;
//Endian swap 4 bytes twice
for (int i = 3; i >= 0; i--)
{
m.WriteByte(b[i]);
}
for (int i = 7; i >= 4; i--)
{
m.WriteByte(b[i]);
}
}
}
return buffer;
}
public static void Main(string[] args)
{
{
var m = new MemoryStream();
m.WriteByte((byte)'A');
m.WriteByte((byte)'\n');
m.Position = 0;
var x = new StreamReader(m);
var z = x.ReadLine();
Console.WriteLine(z);
}
{
var m = new MemoryStream();
m.WriteByte((byte)'\r');
m.WriteByte((byte)'\n');
m.Position = 0;
var x = new StreamReader(m);
var z = x.ReadLine();
Console.WriteLine(z);
}
}
/// <summary>
/// This is a javascript application.
/// </summary>
/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
public Application(IDefaultPage page)
{
var m = new MemoryStream();
m.WriteByte((byte)'H');
m.WriteByte((byte)'E');
m.WriteByte((byte)'L');
m.WriteByte((byte)'L');
m.WriteByte((byte)'O');
var a = m.ToArray();
//Native.API.var_dump(a);
var w = new StringBuilder();
foreach (var item in a)
{
w.Append(item.ToString("x2"));
}
w.Append(", " + Convert.ToBase64String(a));
// {48454c4c4f, SEVMTE8=}
var e = w.ToString();
new IHTMLPre { innerText = e }.AttachToDocument();
@"Hello world".ToDocumentTitle();
// Send data from JavaScript to the server tier
service.WebMethod2(
@"A string from JavaScript.",
value => value.ToDocumentTitle()
);
}
public override void Write(ref NetworkStream netstream)
{
using (Stream stream = new MemoryStream())
{
// write Packet ID
stream.Write(BitConverter.GetBytes((ushort)this.ID), 0, 2);
// write Packet Size
stream.Write(BitConverter.GetBytes(this.BodySize), 0, 4);
// write UserID
stream.WriteByte((byte)this.UserID.Length);
stream.Write(Encoding.ASCII.GetBytes(this.UserID), 0, this.UserID.Length);
// write PCName
stream.WriteByte((byte)this.PCName.Length);
stream.Write(Encoding.ASCII.GetBytes(this.PCName), 0, this.PCName.Length);
// write AuthKey
stream.Write(BitConverter.GetBytes(this.AuthKey), 0, 4);
// copy stream to netstream
stream.Position = 0;
stream.CopyTo(netstream);
}
}
private byte[] GetBytes(CassandraType[] components)
{
using (var bytes = new MemoryStream())
{
foreach (var c in components)
{
var b = (byte[])c;
var length = (ushort)b.Length;
// comparator part
bytes.WriteByte((byte)1);
bytes.WriteByte((byte)_aliases.FirstOrDefault(x => x.Value == c.GetType()).Key);
// value length
bytes.Write(BitConverter.GetBytes(length), 0, 2);
// value
bytes.Write(b, 0, length);
// end of component
bytes.WriteByte((byte)0);
}
return bytes.ToArray();
}
}
private static byte[] generateInitiateRequest(CosemParameters parameters)
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(Constants.xDlmsApdu.NoCiphering.INITIATE_REQUEST);
stream.WriteByte(0); //Dedicated key
stream.WriteByte(0); //Response-allowed
stream.WriteByte(0); //Proposed quality of service
stream.WriteByte(Constants.DLMS_VERSION); //Dlms version
stream.WriteByte(Constants.ConformanceBlock.TAG); //Conformance block tag
byte[] conformance = generateConformanceBlock(parameters);
stream.WriteByte((byte)(conformance.Length));
stream.Write(conformance, 0, conformance.Length); //Conformance block
//stream.WriteByte(ByteBuffer.allocate(2).putShort(parameters.maxPduSize).array());
stream.WriteByte((byte)(parameters.maxPduSize >> 8)); //Max pdu size
stream.WriteByte((byte)(parameters.maxPduSize));
System.IO.MemoryStream stream2 = new System.IO.MemoryStream();
if (parameters.securityType != SecurityType.NONE)
{
stream2.WriteByte(Constants.xDlmsApdu.GlobalCiphering.INITIATE_REQUEST);
byte[] data = Security.authenticatedEncryption(parameters, stream.ToArray());
stream2.WriteByte((byte)(data.Length));
stream2.Write(data, 0, data.Length);
}
else
{
//stream2.WriteByte(stream.ToArray());
byte[] aux = stream.ToArray();
stream2.Write(aux, 0, aux.Length);
}
return(stream2.ToArray());
}
/// <summary>
/// Perform the next step
/// </summary>
/// <param name="s">Null if it's the initial response</param>
/// <param name="doc">Document to create Steps in</param>
/// <returns></returns>
public override Step step(Step s, XmlDocument doc)
{
Debug.Assert(s == null);
Auth a = new Auth(doc);
a.Mechanism = MechanismType.PLAIN;
MemoryStream ms = new MemoryStream();
// message = [authorize-id] NUL authenticate-id NUL password
// Skip authzid.
ms.WriteByte(0);
string u = this[USERNAME];
if ((u == null) || (u == ""))
throw new SASLException("Username required");
byte[] bu = System.Text.Encoding.UTF8.GetBytes(u);
ms.Write(bu, 0, bu.Length);
ms.WriteByte(0);
string p = this[PASSWORD];
if ((p == null) || (p == ""))
throw new SASLException("Password required");
byte[] pu = System.Text.Encoding.UTF8.GetBytes(p);
ms.Write(pu, 0, pu.Length);
a.Bytes = ms.ToArray();
return a;
}
public override ChunkRaw CreateRawChunk()
{
var ba = new IO.MemoryStream();
ChunkHelper.WriteBytesToStream(ba, ChunkHelper.ToBytes(PalName));
ba.WriteByte(0); // separator
ba.WriteByte((byte)SampleDepth);
int nentries = GetNentries();
for (int n = 0; n < nentries; n++)
{
for (int i = 0; i < 4; i++)
{
if (SampleDepth == 8)
{
PngHelperInternal.WriteByte(ba, (byte)Palette[n * 5 + i]);
}
else
{
PngHelperInternal.WriteInt2(ba, Palette[n * 5 + i]);
}
}
PngHelperInternal.WriteInt2(ba, Palette[n * 5 + 4]);
}
byte[] b = ba.ToArray();
ChunkRaw chunk = CreateEmptyChunk(b.Length, false);
chunk.Data = b;
return(chunk);
}
private static void WriteBE32(MemoryStream ms, uint p)
{
ms.WriteByte((byte)(p >> 0x18));
ms.WriteByte((byte)(p >> 0x10));
ms.WriteByte((byte)(p >> 0x08));
ms.WriteByte((byte)p);
}
public static byte[] authenticatedEncryption(CosemParameters parameters, byte[] data)
{
if (parameters.securityType == SecurityType.NONE)
{
return(data);
}
int ivCounter = parameters.getInvocationCounter();
int sc = 0;
switch (parameters.securityType)
{
case SecurityType.AUTHENTICATION:
sc = SC_AUTHENTICATION;
byte[] authData = new byte[parameters.ak.Length + data.Length + 1];
authData[0] = SC_AUTHENTICATION;
Array.Copy(parameters.ak, 0, authData, 1, parameters.ak.Length);
Array.Copy(data, 0, authData, parameters.ak.Length + 1, data.Length);
byte[] mac = aesGcm(new byte[0], authData, parameters, ivCounter);
byte[] data_ = new byte[data.Length + mac.Length];
Array.Copy(data, 0, data_, 0, data.Length);
Array.Copy(mac, 0, data_, data.Length, mac.Length);
data = data_;
break;
case SecurityType.AUTHENTICATION_ENCRYPTION:
sc = SC_AUTHENTICATION_ENCRYPTION;
authData = new byte[parameters.ak.Length + 1];
authData[0] = SC_AUTHENTICATION_ENCRYPTION;
Array.Copy(parameters.ak, 0, authData, 1, parameters.ak.Length);
data = aesGcm(data, authData, parameters, ivCounter);
break;
case SecurityType.ENCRYPTION:
sc = SC_ENCRYPTION;
data = aesGcm(data, new byte[0], parameters, ivCounter);
break;
default:
throw new System.InvalidOperationException();
}
try
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte((byte)sc);
stream.WriteByte((byte)(ivCounter >> 24));
stream.WriteByte((byte)(ivCounter >> 16));
stream.WriteByte((byte)(ivCounter >> 8));
stream.WriteByte((byte)(ivCounter));
stream.Write(data, 0, data.Length);
return(stream.ToArray());
}
catch (IOException)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.INTERNAL_ERROR);
}
}
public override SmtpResponse DataLine(ISmtpSessionInfo sessionInfo, byte[] lineBuf)
{
var fileName = GetFileNameFromSessionInfo(sessionInfo);
FS.Write(lineBuf, 0, lineBuf.Length);
FS.WriteByte(13);
FS.WriteByte(10);
return(SmtpResponse.None);
}
public byte[] Serialize()
{
lock (_lock) {
using (var memoryStream = new System.IO.MemoryStream()) {
foreach (ArrayItem item in _array)
{
memoryStream.WriteByte((byte)(((ushort)item.BlockType) / 256));
memoryStream.WriteByte((byte)(((ushort)item.BlockType) % 256));
memoryStream.WriteByte((byte)item.Count);
}
return(memoryStream.ToArray());
}
}
}
/*
* The output bit routine just has to set a bit in the current byte
* if requested to. After that, it updates the mask. If the mask
* shows that the current byte is filled up, it is time to go to the
* next character in the buffer. If the next character is past the
* end of the buffer, it is time to flush the buffer.
*/
private void output_bit(int bit)
{
if (Convert.ToBoolean(bit))
{
current_output_byte |= output_mask;
}
output_mask >>= 1;
if (output_mask == 0)
{
output_mask = 0x80;
output_buffer.WriteByte(current_output_byte);
current_output_byte = 0;
}
}
public virtual void StartWalking(WalkDirection dir, ulong startTime, Vector2d startPos)
{
if (!IsAlive || Tools.TicksToSeconds(Map.TimeTicks - myLastCastTime) < CastAnimationDuration)
{
return;
}
myNextWalkDirection = dir;
myWalkStartTime = startTime;
myWalkStartPos = startPos;
if (dir == WalkDirection.Up || dir == WalkDirection.Down)
{
OriginX = startPos.X;
}
else
{
OriginY = startPos.Y;
}
if (IsServer)
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte((byte)myNextWalkDirection);
stream.Write(BitConverter.GetBytes(myWalkStartTime), 0, sizeof(UInt64));
stream.Write(BitConverter.GetBytes(myWalkStartPos.X), 0, sizeof(Double));
stream.Write(BitConverter.GetBytes(myWalkStartPos.Y), 0, sizeof(Double));
SendStateUpdate("StartWalking", stream);
stream.Close();
myLastWalkStateSent = Map.TimeTicks;
}
}
public Assembly InstanceCache(string key)
{
if (htEx.ContainsKey(key))
{
return((Assembly)(htEx[key]));
}
else
{
Byte[] content = null;
FileStream f = new FileStream(key, FileMode.Open, FileAccess.Read, FileShare.Read);
int b1;
System.IO.MemoryStream tempStream = new System.IO.MemoryStream();
while ((b1 = f.ReadByte()) != -1)
{
tempStream.WriteByte(((byte)b1));
}
f.Close();
content = tempStream.ToArray();
Assembly valuenew = Assembly.Load(content);
lock (obj)
{
if (!htEx.ContainsKey(key))
{
htEx[key] = valuenew;
}
}
return(valuenew);
}
}
/// <summary>
/// The function can be used to generate a hashed version of a user-provided password
/// to store in a database for authentication purposes.
/// </summary>
/// <param name="password">The secret password to generate the key from.</param>
/// <param name="salt">A (byte) string to use for better protection from dictionary attacks.</param>
/// <param name="dklen">The cumulative length of the keys to produce.</param>
/// <param name="count">Iteration count.</param>
/// <returns>A byte string of length dklen that can be used as key material.</returns>
/// <seealso cref="https://stackoverflow.com/questions/18648084/rfc2898-pbkdf2-with-sha256-as-digest-in-c-sharp"/>
/// <seealso cref="https://pycryptodome.readthedocs.io/en/latest/src/protocol/kdf.html"/>
static byte[] PBKDF2_SHA256_GetBytes(byte[] password, byte[] salt, int dklen, int count)
{
// NOTE: The iteration count should be as high as possible without causing
// unreasonable delay. Note also that the password and salt are byte arrays, not strings.
// After use, the password and salt should be cleared (with Array.Clear)
using (var hmac = new System.Security.Cryptography.HMACSHA256(password))
{
int hashLength = hmac.HashSize / 8;
if ((hmac.HashSize & 7) != 0)
{
hashLength++;
}
int keyLength = dklen / hashLength;
if ((long)dklen > (0xFFFFFFFFL * hashLength) || dklen < 0)
{
throw new ArgumentOutOfRangeException("dklen");
}
if (dklen % hashLength != 0)
{
keyLength++;
}
byte[] extendedkey = new byte[salt.Length + 4];
Buffer.BlockCopy(salt, 0, extendedkey, 0, salt.Length);
using (var ms = new System.IO.MemoryStream())
{
for (int i = 0; i < keyLength; i++)
{
extendedkey[salt.Length] = (byte)(((i + 1) >> 24) & 0xFF);
extendedkey[salt.Length + 1] = (byte)(((i + 1) >> 16) & 0xFF);
extendedkey[salt.Length + 2] = (byte)(((i + 1) >> 8) & 0xFF);
extendedkey[salt.Length + 3] = (byte)(((i + 1)) & 0xFF);
byte[] u = hmac.ComputeHash(extendedkey);
Array.Clear(extendedkey, salt.Length, 4);
byte[] f = u;
for (int j = 1; j < count; j++)
{
u = hmac.ComputeHash(u);
for (int k = 0; k < f.Length; k++)
{
f[k] ^= u[k];
}
}
ms.Write(f, 0, f.Length);
Array.Clear(u, 0, u.Length);
Array.Clear(f, 0, f.Length);
}
byte[] dk = new byte[dklen];
ms.Position = 0;
ms.Read(dk, 0, dklen);
ms.Position = 0;
for (long i = 0; i < ms.Length; i++)
{
ms.WriteByte(0);
}
Array.Clear(extendedkey, 0, extendedkey.Length);
return(dk);
}
}
}
public static byte[] GetBytesFromFile(string filePath)
{
System.IO.Stream theStream = null;
System.IO.MemoryStream tempStream = null;
try
{
theStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
int b1;
tempStream = new System.IO.MemoryStream();
while ((b1 = theStream.ReadByte()) != -1)
{
tempStream.WriteByte(((byte)b1));
}
return(tempStream.ToArray());
}
catch (Exception ex)
{
}
finally
{
if (theStream != null)
{
theStream.Close();
}
if (tempStream != null)
{
tempStream.Close();
}
}
return(null);
}
public IDataObject GetClipboardData()
{
if (DataType == Domain.ClipboardDataType.Text)
{
return(new DataObject(DataFormats.Text, Text));
}
if (DataType == Domain.ClipboardDataType.FileDrop)
{
var result = new DataObject();
result.SetFileDropList(StringToCollection(Text));
// var result = new DataObject(DataFormats.FileDrop, StringToArray(Text));
var strm = new System.IO.MemoryStream();
strm.WriteByte((byte)DragDropEffects.Copy);
result.SetData("Preferred Dropeffect", strm);
return(result);
}
if (DataType == Domain.ClipboardDataType.Image)
{
var result = new DataObject();
result.SetImage(Image);
var strm = new System.IO.MemoryStream();
strm.WriteByte((byte)DragDropEffects.Copy);
result.SetData("Preferred Dropeffect", strm);
return(result);
}
return(null);
}
public byte[] DownloadFile(string strFilePath, string path)
{
FileStream fs = null;
string CurrentUploadFolderPath = HttpContext.Current.Server.MapPath(path);
string CurrentUploadFilePath = CurrentUploadFolderPath + "\\" + strFilePath;
if (File.Exists(CurrentUploadFilePath))
{
try
{
///打开现有文件以进行读取。
fs = File.OpenRead(CurrentUploadFilePath);
int b1;
System.IO.MemoryStream tempStream = new System.IO.MemoryStream();
while ((b1 = fs.ReadByte()) != -1)
{
tempStream.WriteByte(((byte)b1));
}
return(tempStream.ToArray());
}
catch (Exception ex)
{
return(new byte[0]);
}
finally
{
fs.Close();
}
}
else
{
return(new byte[0]);
}
}
private void addLast(PDFArray contents)
{
System.IO.MemoryStream ms = new System.IO.MemoryStream();
ms.WriteByte((byte)'Q');
ms.WriteByte((byte)'\r');
ms.WriteByte((byte)'q');
ms.WriteByte((byte)'\r');
ms.WriteByte((byte)'Q');
PDFDictionary dict = new PDFDictionary();
PDFDictionaryStream ds = new PDFDictionaryStream(dict, ms);
contents.AddItem(ds);
_canvas = new Canvas(ms, Resources, PageRect);
_canvas.ChangeGroup += new ChangeGroupEventHandler(m_canvas_ChangeGroup);
}
internal static byte[] processChallanger(CosemParameters parameters, CosemConnection connection)
{
try
{
switch (parameters.authenticationType.innerEnumValue)
{
case AuthenticationType.InnerEnum.PUBLIC:
case AuthenticationType.InnerEnum.LLS:
throw new System.InvalidOperationException();
case AuthenticationType.InnerEnum.HLS:
return(aes128(connection.challengeServerToClient, parameters.llsHlsSecret));
case AuthenticationType.InnerEnum.HLS_MD5:
return(md5(connection.challengeServerToClient, parameters.llsHlsSecret));
case AuthenticationType.InnerEnum.HLS_SHA1:
return(sha1(connection.challengeServerToClient, parameters.llsHlsSecret));
case AuthenticationType.InnerEnum.HLS_GMAC:
int ivCounter = parameters.getInvocationCounter();
System.IO.MemoryStream data = new System.IO.MemoryStream();
data.WriteByte(SC_AUTHENTICATION);
data.Write(parameters.ak, 0, parameters.ak.Length);
data.Write(connection.challengeServerToClient, 0, connection.challengeServerToClient.Length);
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(SC_AUTHENTICATION);
stream.WriteByte((byte)(ivCounter >> 24));
stream.WriteByte((byte)(ivCounter >> 16));
stream.WriteByte((byte)(ivCounter >> 8));
stream.WriteByte((byte)(ivCounter));
byte[] aux = Security.aesGcm(new byte[0], data.ToArray(), parameters, ivCounter);
stream.Write(aux, 0, aux.Length);
return(stream.ToArray());
default:
throw new System.ArgumentException();
}
}
catch (IOException)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.INTERNAL_ERROR);
}
}
private byte[] PBKDF2Sha256GetBytes(int dklen, byte[] password, byte[] salt, int iterationCount)
{
using (var hmac = new System.Security.Cryptography.HMACSHA256(password))
{
int hashLength = hmac.HashSize / 8;
if ((hmac.HashSize & 7) != 0)
{
hashLength++;
}
int keyLength = dklen / hashLength;
if ((long)dklen > (0xFFFFFFFFL * hashLength) || dklen < 0)
{
throw new ArgumentOutOfRangeException("dklen");
}
if (dklen % hashLength != 0)
{
keyLength++;
}
byte[] extendedkey = new byte[salt.Length + 4];
Buffer.BlockCopy(salt, 0, extendedkey, 0, salt.Length);
using (var ms = new System.IO.MemoryStream())
{
for (int i = 0; i < keyLength; i++)
{
extendedkey[salt.Length] = (byte)(((i + 1) >> 24) & 0xFF);
extendedkey[salt.Length + 1] = (byte)(((i + 1) >> 16) & 0xFF);
extendedkey[salt.Length + 2] = (byte)(((i + 1) >> 8) & 0xFF);
extendedkey[salt.Length + 3] = (byte)(((i + 1)) & 0xFF);
byte[] u = hmac.ComputeHash(extendedkey);
Array.Clear(extendedkey, salt.Length, 4);
byte[] f = u;
for (int j = 1; j < iterationCount; j++)
{
u = hmac.ComputeHash(u);
for (int k = 0; k < f.Length; k++)
{
f[k] ^= u[k];
}
}
ms.Write(f, 0, f.Length);
Array.Clear(u, 0, u.Length);
Array.Clear(f, 0, f.Length);
}
byte[] dk = new byte[dklen];
ms.Position = 0;
ms.Read(dk, 0, dklen);
ms.Position = 0;
for (long i = 0; i < ms.Length; i++)
{
ms.WriteByte(0);
}
Array.Clear(extendedkey, 0, extendedkey.Length);
return(dk);
}
}
}
internal static bool verifyChallenger(CosemParameters parameters, CosemConnection connection, byte[] data)
{
if (data == null || data.Length == 0)
{
return(false);
}
try
{
byte[] calculated = new byte[0];
switch (parameters.authenticationType.innerEnumValue)
{
case AuthenticationType.InnerEnum.PUBLIC:
case AuthenticationType.InnerEnum.LLS:
throw new System.InvalidOperationException();
case AuthenticationType.InnerEnum.HLS:
calculated = aes128(connection.challengeServerToClient, parameters.llsHlsSecret);
break;
case AuthenticationType.InnerEnum.HLS_MD5:
calculated = md5(connection.challengeClientToServer, parameters.llsHlsSecret);
break;
case AuthenticationType.InnerEnum.HLS_SHA1:
calculated = sha1(connection.challengeClientToServer, parameters.llsHlsSecret);
break;
case AuthenticationType.InnerEnum.HLS_GMAC:
if (data[0] != SC_AUTHENTICATION)
{
return(false);
}
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(SC_AUTHENTICATION);
stream.Write(parameters.ak, 0, parameters.ak.Length);
stream.Write(connection.challengeClientToServer, 0, connection.challengeClientToServer.Length);
//connection.serverInvocationCounter = BitConverter.ToInt32(helper.extensions.copyOfRange(data, 1, 5), 0);
var aux = helper.extensions.copyOfRange(data, 1, 5);
connection.serverInvocationCounter = BitConverter.ToInt32(new byte[] { (aux[3]), (aux[2]), (aux[1]), (aux[0]) }, 0);
data = helper.extensions.copyOfRange(data, 5, data.Length);
CosemParameters cosemParams = new CosemParameters();
cosemParams.setSystemTitle(connection.serverSysTitle);
cosemParams.setEk(parameters.ek);
calculated = Security.aesGcm(new byte[0], stream.ToArray(), cosemParams, connection.serverInvocationCounter);
break;
default:
throw new System.ArgumentException();
}
return(Enumerable.SequenceEqual(data, calculated));
}
catch (IOException)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.INTERNAL_ERROR);
}
}
static public Image ConvertByteArrayToImage(byte[] File)
{
System.IO.MemoryStream memoryStream1 = new System.IO.MemoryStream();
foreach (byte b in File)
{
memoryStream1.WriteByte(b);
}
Image image1 = Image.FromStream(memoryStream1);
return(image1);
}
static void ByteToImage(byte[] b)
{
System.IO.MemoryStream memoryStream1 = new System.IO.MemoryStream();
foreach (byte b1 in b)
{
memoryStream1.WriteByte(b1);
}
Image image1 = Image.FromStream(memoryStream1);
image1.Save("C:\\pict.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
}
/// <summary>
/// ConvertStreamToByteBuffer：把给定的文件流转换为二进制字节数组。
/// </summary>
/// <param name="theStream"></param>
/// <returns></returns>
public static byte[] ConvertStreamToByteBuffer(System.IO.Stream theStream)
{
int b1;
System.IO.MemoryStream tempStream = new System.IO.MemoryStream();
while ((b1 = theStream.ReadByte()) != -1)
{
tempStream.WriteByte(((byte)b1));
}
return(tempStream.ToArray());
}
private void openSettings()
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "JSON files(*.json)|*.json";
ofd.ShowDialog();
var settings = File.ReadAllLines(ofd.FileName);
foreach (var item in settings)
{
var items = JsonConvert.DeserializeObject <SavingSettings>(item);
for (int i = 0; i < settings.Length; i++)
{
if (items.SettingName == "postcardPanel")
{
MemoryStream memoryStream1 = new System.IO.MemoryStream();
foreach (byte b1 in items.SettingImage)
{
memoryStream1.WriteByte(b1);
}
Image image1 = Image.FromStream(memoryStream1);
postcardPanel.BackgroundImage = image1;
}
}
for (int i = 0; i < Templates.postcardLabelss.Count(); i++)
{
if (Templates.postcardLabelss[i].Name == items.SettingName)
{
Templates.postcardLabelss[i].Text = items.SettingValue;
Templates.postcardLabelss[i].Font = items.Font;
Templates.postcardLabelss[i].ForeColor = items.Color;
break;
}
if (Templates.postcardPanels[i].Name == items.SettingName)
{
MemoryStream memoryStream1 = new System.IO.MemoryStream();
if (items.SettingImage != null)
{
foreach (byte b1 in items.SettingImage)
{
memoryStream1.WriteByte(b1);
}
Image image1 = Image.FromStream(memoryStream1);
Templates.postcardPanels[i].BackgroundImage = image1;
break;
}
}
}
}
}
private static void b64_from_24bit(byte b2, byte b1, byte b0, int n, IO.MemoryStream finalResult)
{
const string b64t = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
int w = ((b2) << 16) | ((b1) << 8) | (b0);
while (n-- > 0)
{
finalResult.WriteByte((byte)b64t[w & 0x3f]);
w >>= 6;
}
}
public unsafe static string PtrUTF8StrToString(this IntPtr element)
{
System.IO.MemoryStream w = new System.IO.MemoryStream(10 * 1024);
var p = (byte *)element;
while (*p != 0)
{
w.WriteByte(*p);
p++;
}
return(w.Length == 0 ? string.Empty : utf8WithoutBom.GetString(w.ToArray(), 0, (int)w.Length));
}
public static byte[] Decode(string src)
{
var m = new System.IO.MemoryStream();
int p = 0;
while (p < src.Length)
{
if (src[p] == '=')
{
if (src[p + 1] != '\r' || src[p + 2] != '\n')
{
m.WriteByte(Convert.ToByte(src.Substring(p + 1, 2), 16));
}
p += 3;
}
else
{
m.WriteByte((byte)src[p++]);
}
}
return(m.ToArray());
}
