public void WriteZigZag(long value)
{
var diff = value - lastSigned;
writer.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(diff));
lastSigned = value;
}
private SNode[] ReadAllNodes()
{
var allNodes = new SNode[nodesCount];
Flush();
stream.Position = 0;
var id = 0L;
var lat = 0;
var lon = 0;
for (var i = 0; i < allNodes.Length; i++)
{
var inc = EncodeHelpers.DecodeZigZag(reader.Read7BitEncodedInt());
if (inc == 0)
{
throw new InvalidOperationException("Unexpected end of nodes.");
}
id += inc;
lat += (int)EncodeHelpers.DecodeZigZag(reader.Read7BitEncodedInt());
lon += (int)EncodeHelpers.DecodeZigZag(reader.Read7BitEncodedInt());
allNodes[i] = new SNode
{
Id = id,
Lat = lat,
Lon = lon
};
}
return(allNodes);
}
public sealed override byte[] Encrypt(CmsRecipientCollection recipients, ContentInfo contentInfo, AlgorithmIdentifier contentEncryptionAlgorithm, X509Certificate2Collection originatorCerts, CryptographicAttributeObjectCollection unprotectedAttributes)
{
using (SafeCryptMsgHandle hCryptMsg = EncodeHelpers.CreateCryptMsgHandleToEncode(recipients, contentInfo.ContentType, contentEncryptionAlgorithm, originatorCerts, unprotectedAttributes))
{
byte[] encodedContent;
if (contentInfo.ContentType.Value.Equals(Oids.Pkcs7Data, StringComparison.OrdinalIgnoreCase))
{
unsafe
{
byte[] content = contentInfo.Content;
fixed(byte *pContent = content)
{
DATA_BLOB blob = new DATA_BLOB((IntPtr)pContent, (uint)(content.Length));
encodedContent = Interop.Crypt32.CryptEncodeObjectToByteArray(CryptDecodeObjectStructType.X509_OCTET_STRING, &blob);
}
}
}
else
{
encodedContent = contentInfo.Content;
}
if (encodedContent.Length > 0)
{
if (!Interop.Crypt32.CryptMsgUpdate(hCryptMsg, encodedContent, encodedContent.Length, fFinal: true))
{
throw Marshal.GetLastWin32Error().ToCryptographicException();
}
}
byte[] encodedMessage = hCryptMsg.GetMsgParamAsByteArray(CryptMsgParamType.CMSG_CONTENT_PARAM);
return(encodedMessage);
}
}
public static void WriteTo(this BoundingRect rect, BinaryWriter writer)
{
writer.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(rect.MinLat));
writer.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(rect.MinLon));
writer.Write7BitEncodedInt(rect.MaxLat - rect.MinLat);
writer.Write7BitEncodedInt(rect.MaxLon - rect.MinLon);
}
public sealed unsafe override byte[] Encrypt(CmsRecipientCollection recipients, ContentInfo contentInfo, AlgorithmIdentifier contentEncryptionAlgorithm, X509Certificate2Collection originatorCerts, CryptographicAttributeObjectCollection unprotectedAttributes)
{
using (SafeCryptMsgHandle hCryptMsg = EncodeHelpers.CreateCryptMsgHandleToEncode(recipients, contentInfo.ContentType, contentEncryptionAlgorithm, originatorCerts, unprotectedAttributes))
{
byte[] encodedContent;
if (contentInfo.ContentType.Value !.Equals(Oids.Pkcs7Data, StringComparison.OrdinalIgnoreCase))
{
encodedContent = PkcsHelpers.EncodeOctetString(contentInfo.Content);
}
public sealed unsafe override byte[] Encrypt(CmsRecipientCollection recipients, ContentInfo contentInfo, AlgorithmIdentifier contentEncryptionAlgorithm, X509Certificate2Collection originatorCerts, CryptographicAttributeObjectCollection unprotectedAttributes)
{
using (SafeCryptMsgHandle hCryptMsg = EncodeHelpers.CreateCryptMsgHandleToEncode(recipients, contentInfo.ContentType, contentEncryptionAlgorithm, originatorCerts, unprotectedAttributes))
{
byte[] encodedContent;
if (contentInfo.ContentType.Value.Equals(Oids.Pkcs7Data, StringComparison.OrdinalIgnoreCase))
{
unsafe
{
byte[] content = contentInfo.Content;
fixed(byte *pContent = content)
{
DATA_BLOB blob = new DATA_BLOB((IntPtr)pContent, (uint)(content.Length));
encodedContent = Interop.Crypt32.CryptEncodeObjectToByteArray(CryptDecodeObjectStructType.X509_OCTET_STRING, &blob);
}
}
}
else
{
encodedContent = contentInfo.Content;
if (encodedContent.Length > 0)
{
// Windows will throw if it encounters indefinite length encoding.
// Let's reencode if that is the case
ReencodeIfUsingIndefiniteLengthEncodingOnOuterStructure(ref encodedContent);
}
}
if (encodedContent.Length > 0)
{
// Pin to avoid copy during heap compaction
fixed(byte *pinnedContent = encodedContent)
{
try
{
if (!Interop.Crypt32.CryptMsgUpdate(hCryptMsg, encodedContent, encodedContent.Length, fFinal: true))
{
throw Marshal.GetLastWin32Error().ToCryptographicException();
}
}
finally
{
if (!object.ReferenceEquals(encodedContent, contentInfo.Content))
{
Array.Clear(encodedContent, 0, encodedContent.Length);
}
}
}
}
byte[] encodedMessage = hCryptMsg.GetMsgParamAsByteArray(CryptMsgParamType.CMSG_CONTENT_PARAM);
return(encodedMessage);
}
}
public WayInfo FindWayInfo(ulong id)
{
var offsetIndex = FindBlockIndex(id);
if (offsetIndex < 0)
{
return(null);
}
var offset = offsets[offsetIndex].Offset;
infoStream.Position = offset;
var offsetLimit = offsetIndex < offsets.Count - 1 ? offsets[offsetIndex + 1].Offset : infoLength;
while (infoStream.Position < offsetLimit)
{
var cid = infoReader.Read7BitEncodedInt();
if (cid == id)
{
var minLat = infoReader.ReadInt32();
var minLon = infoReader.ReadInt32();
var midLat = (int)EncodeHelpers.DecodeZigZag(infoReader.Read7BitEncodedInt()) + minLat;
var midLon = (int)EncodeHelpers.DecodeZigZag(infoReader.Read7BitEncodedInt()) + minLon;
var maxLat = (int)EncodeHelpers.DecodeZigZag(infoReader.Read7BitEncodedInt()) + midLat;
var maxLon = (int)EncodeHelpers.DecodeZigZag(infoReader.Read7BitEncodedInt()) + midLon;
return(new WayInfo
{
Id = cid,
MidLat = midLat,
MidLon = midLon,
Rect = new BoundingRect
{
MinLat = minLat,
MinLon = minLon,
MaxLat = maxLat,
MaxLon = maxLon
}
});
}
infoStream.Position += 8;
infoReader.Skip7BitInt();
infoReader.Skip7BitInt();
infoReader.Skip7BitInt();
infoReader.Skip7BitInt();
}
return(null);
}
private void WriteWayInfo(SWay way)
{
infoWriter.Write7BitEncodedInt(way.Id);
var rect = way.Rect;
infoWriter.Write(rect.MinLat);
infoWriter.Write(rect.MinLon);
infoWriter.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(way.MidLat - rect.MinLat));
infoWriter.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(way.MidLon - rect.MinLon));
infoWriter.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(rect.MaxLat - way.MidLat));
infoWriter.Write7BitEncodedInt(EncodeHelpers.EncodeZigZag(rect.MaxLon - way.MidLon));
infoLength = infoStream.Position;
}
public long ReadZigZag()
{
lastSigned += EncodeHelpers.DecodeZigZag(reader.Read7BitEncodedInt());
return(lastSigned);
}
