/**
* Close the transformer engine.
*
* The close functions closes all stored default crypto contexts. This
* deletes key data and forces a cleanup of the crypto contexts.
*/
public void Close()
{
if (defaultContext != null)
{
defaultContext.Close();
defaultContext = null;
}
if (defaultContextControl != null)
{
defaultContextControl.Close();
defaultContextControl = null;
}
}
/**
* Construct a SRTPTransformEngine based on given master encryption key,
* master salt key and SRTP/SRTCP policy.
*
* @param masterKey
* the master encryption key
* @param masterSalt
* the master salt key
* @param srtpPolicy
* SRTP policy
* @param srtcpPolicy
* SRTCP policy
*/
public SrtpTransformEngine(byte[] masterKey, byte[] masterSalt, SrtpPolicy srtpPolicy, SrtpPolicy srtcpPolicy)
{
defaultContext = new SrtpCryptoContext(0, 0, 0, masterKey, masterSalt, srtpPolicy);
defaultContextControl = new SrtcpCryptoContext(0, masterKey, masterSalt, srtcpPolicy);
}