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    • 7. 发明公开
    • 보안 시간 제공 장치 및 방법, 이를 이용한 안전한 컨텐츠재생 장치 및 방법, 그리고 이를 이용한 안전한 데이터전송 방법
    • 用于提供安全时间的装置和方法,使用安全时间安全再现内容的装置和方法以及使用安全时间安全传输数据的方法
    • KR1020070056432A
    • 2007-06-04
    • KR1020050115054
    • 2005-11-29
    • 삼성전자주식회사
    • 김치헌
    • G06F15/00G06F9/00G06F1/00
    • G06F21/10G06F1/14G06F21/725G11B20/00086G11B20/00731G11B20/0084G11B27/105G11B27/11
    • A device and a method for providing secure time, the device and the method for securely reproducing contents using the secure time, and the method for securely transmitting data using the secure time are provided to realize a secure clock with software by providing the reliable secure time to be freely changed by a user. The clock(110) allows the user to change the time. A time difference storing part(120) stores a time difference between the correct time and the clock time. A time difference setting part(140) sets and stores the time difference to the time difference storing part by calculating the time difference if the time of the clock is changed. A time provider(150) provides the correct time by using the clock time and the time difference. The time difference setting part includes a server time connector receiving a time difference setting response message including the time of an external time server, and a time difference calculator calculating a difference between the time of the external time server and the clock time, and setting the calculated difference as the time difference.
    • 提供安全时间的装置和方法,使用安全时间安全地再现内容的装置和方法以及使用安全时间安全地传输数据的方法被提供以通过提供可靠的安全时间来实现具有软件的安全时钟 由用户自由更改。 时钟(110)允许用户改变时间。 时差存储部(120)存储正确时刻与时钟时间之间的时间差。 如果时钟的时间改变,时间差设定部分(140)通过计算时间差来设置并存储与时差存储部分的时间差。 时间提供者(150)通过使用时钟时间和时间差来提供正确的时间。 时差设定部包括:服务器时间连接器,接收包含外部时间服务器的时间的时差设定响应消息,以及时差计算部,计算外部时间服务器的时刻与时钟时间的差, 计算差值作为时差。