Concatenate the provided key with the Magic GUID and return the Base64 encoded form.
@param key the key to hash @return the <code>Sec-WebSocket-Accept</code> header response (per opening handshake spec)
See Implementation
Concatenate the provided key with the Magic GUID and return the Base64 encoded form.
@param key the key to hash @return the <code>Sec-WebSocket-Accept</code> header response (per opening handshake spec)