Interface IPacketTransformer

Interface for transforming a non-secure packet.

Namespace: SipLib.Dtls

Assembly: SipLib.dll

Syntax

public interface IPacketTransformer

Methods

Close()

Closes the transformer and underlying transform engine. The close functions closes all stored crypto contexts. This deletes key data and forces a cleanup of the crypto contexts.

Declaration

void Close()

ReverseTransform(byte[])

Reverse-transforms a specific packet (i.e. transforms a transformed packet back).

Declaration

byte[] ReverseTransform(byte[] pkt)

Parameters

Type	Name	Description
byte[]	pkt	The transformed packet to be restored

Returns

Type	Description
byte[]	The restored packet

ReverseTransform(byte[], int, int)

Reverse-transforms a specific packet (i.e. transforms a transformed packet back).

Declaration

byte[] ReverseTransform(byte[] pkt, int offset, int length)

Parameters

Type	Name	Description
byte[]	pkt	The packet to be restored
int	offset	The offset to the packet data
int	length	The length of data in the packet

Returns

Type	Description
byte[]	The restored packet

Transform(byte[])

Transforms a non-secure packet.

Declaration

byte[] Transform(byte[] pkt)

Parameters

Type	Name	Description
byte[]	pkt	The packet to be transformed

Returns

Type	Description
byte[]	Returns the transformed packet. Returns null if the packet cannot be transformed.

Transform(byte[], int, int)

Transforms a specific non-secure packet.

Declaration

byte[] Transform(byte[] pkt, int offset, int length)

Parameters

Type	Name	Description
byte[]	pkt	The packet to be secured
int	offset	The offset of the packet data
int	length	The length of the packet data

Returns

Type	Description
byte[]	Returns the transformed packet. Returns null if the packet cannot be transformed.