E CHALLENGE

Brand	Owner	Address	Description
ECHALLENGE	Zhu hai yi kai da mao yi you xian gong si	ping dong si lu 13 hao san qi chang fang Xiang zhou qu nan ping ke ji gong yeyuan Zhuhai, Guangdong 519000 China	E CHALLENGE;Ink cartridges, filled, for printers; Toner cartridges, filled, for laser printers; Toner cartridges, filled, for printers and photocopiers; Filled ink cartridges; Filled ink cartridges for printers; Filled ink jet cartridges; Filled toner cartridges for photocopiers; Filled toner cartridges for printers; Filled toner cartridges; Photocopier toner in cartridges; Toner cartridges, filled, for inkjet printers;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A method and apparatus for performing authentication in a communications system is provided. The method includes receiving a request for authentication from a server, the request for authentication including a first and a second random challenge, and comparing the first random challenge and the second random challenge. The method further includes denying the request for authentication in response to determining that the first random challenge is substantially the same as the second random challenge, and transmitting an encoded value to the server in response to determining that the first random challenge is different from the second random challenge, wherein the encoded value is generated based on the first and second random challenge and a key that is not shared with the server.