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METHOD AND APPARATUS FOR CHECKING ROUND TRIP TIME BASED ON CHALLENGE RESPONSE, AND COMPUTER READABLE MEDIUM HAVING RECORDED THEREON PROGRAM FOR THE METHOD
METHOD AND APPARATUS FOR CHECKING ROUND TRIP TIME BASED ON CHALLENGE RESPONSE, AND COMPUTER READABLE MEDIUM HAVING RECORDED THEREON PROGRAM FOR THE METHOD
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机译:基于挑战响应的轮转时间检查方法和装置,以及记录有该程序的计算机可读介质
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摘要
An apparatus and method of checking adjacency between devices are provided. A challenge response based round trip time (RTT) checking method includes: generating a random number; encrypting the random number using a symmetrical key; transmitting a challenge request message including the encrypted random number to a device; receiving a challenge response message including the random number from the device which received the challenge request message and decrypted the encrypted random number using the symmetrical key, from the device; and determining an RTT based on a time when the challenge response message is received and a time when the challenge request message is transmitted.
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