question: private void negotiateSSLConnection ( String user , String password , String database , int packLength ) throws SQLException { if ( ! ExportControlled . enabled ( ) ) { throw new ConnectionFeatureNotAvailableException ( this . connection , this . lastPacketSentTimeMs , null ) ; } if ( ( this . serverCapabilities & CLIENT_SECURE_CONNECTION ) != 0 ) { this . clientParam |= CLIENT_SECURE_CONNECTION ; } this . clientParam |= CLIENT_SSL ; Buffer packet = new Buffer ( packLength ) ; if ( this . use41Extensions ) { packet . writeLong ( this . clientParam ) ; packet . writeLong ( this . maxThreeBytes ) ; appendCharsetByteForHandshake ( packet , getEncodingForHandshake ( ) ) ; packet . writeBytesNoNull ( new byte [ 23 ] ) ; } else { packet . writeInt ( ( int ) this . clientParam ) ; } send ( packet , packet . getPosition ( ) ) ; ExportControlled . transformSocketToSSLSocket ( this ) ; }
target:  Negotiates the SSL communications channel used when connecting to a MySQL server that understands SSL.