return the algorithm that is used to hash during the handshake concode_field_sep byte[] EMPTY concode_elem_sep boolean allowExtensions concode_elem_sep String magicNumber concode_elem_sep Pattern PATTERN concode_elem_sep Set<String> subprotocols concode_elem_sep Set<ExtensionHandshake> availableExtensions concode_elem_sep WebSocketVersion version concode_elem_sep String hashAlgorithm concode_field_sep WebSocketVersion getVersion concode_elem_sep void handshake concode_elem_sep void performUpgrade concode_elem_sep void performUpgrade concode_elem_sep void upgradeChannel concode_elem_sep boolean matches concode_elem_sep String getMagicNumber concode_elem_sep WebSocketChannel createChannel concode_elem_sep String supportedSubprotols concode_elem_sep List<WebSocketExtension> selectedExtension concode_elem_sep void selectSubprotocol concode_elem_sep void selectExtensions concode_elem_sep void writePayload concode_elem_sep void handshakeInternal concode_elem_sep void addExtension concode_elem_sep String getWebSocketLocation concode_elem_sep List<ExtensionFunction> initExtensions
String function ( ) { return hashAlgorithm ; }