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    • 6. 发明公开
    • VERFAHREN ZUR ERZEUGUNG EINES GEHEIMNISSES ODER SCHLÜSSELS IN EINEM NETZWERK
    • 在网络中生成密钥或密钥的方法
    • EP3298721A1
    • 2018-03-28
    • EP16716541.4
    • 2016-04-13
    • Robert Bosch GmbH
    • LOTHSPEICH, TimoMUELLER, Andreas
    • H04L9/08
    • H04L9/0838H04L9/0861H04L9/12H04L2209/84
    • Disclosed is method for generating a secret or key in a network. The network comprises at least a first and a second subscriber and a common transmission channel between at least the first and second subscribers. The first subscriber can output at least a first value and a second value and the second subscriber can output at least the first value and the second value on the transmission channel, the first subscriber generating a first sequence of subscriber values and the second subscriber generating a second sequence of subscriber values in order for the transmission to occur largely synchronously on the transmission channel; and the first subscriber and the second subscriber each generate a common secret or a common key, the first subscriber doing so on the basis of information about the first sequence of subscriber values and on the basis of a sequence of superposed values resulting from a superposition of the second sequence of subscriber values onto the first sequence of subscriber values on the transmission channel, and the second subscriber doing so on the basis of information about the second sequence of subscriber values and on the basis of the sequence of superposed values resulting from the superposition of the second sequence of subscriber values onto the first sequence of subscriber values on the transmission channel. At certain intervals or in accordance with a detected sequence of superposed values, at least the first subscriber outputs at least one filler value outside the first sequence of subscriber values or the second subscriber outputs at least one filler value outside the second sequence of subscriber values onto the transmission channel such that an edge change or change in values occurs on the transmission channel.
    • 9. 发明公开
    • KOMMUNIKATIONSVERFAHREN IN EINEM KOMMUNIKATIONSSYSTEM
    • 在EINEM KOMMUNIKATIONSSYSTEM的KOMMUNIKATIONSVERFAHEN
    • EP2898634A1
    • 2015-07-29
    • EP13739982.0
    • 2013-07-19
    • Robert Bosch GmbH
    • BLASCHKE, VolkerLOTHSPEICH, TimoMUELLER, Andreas
    • H04L12/403H04L12/40H04W74/00
    • H04L67/1078G06F17/30864H04L12/40143H04L12/403H04L12/4035H04W74/002H04W74/06
    • The invention relates to a communications method that comprises the step of sending a query message (22) from a central entity (10) to at least one node (K
      1 , K
      2 , ..., K
      N ). For every queried node, the central entity determines a node-specific time window based on a node-specific response time (T
      1 , T
      2 , ..., T
      N ). The central entity filters out a response message (A
      1 , A
      2 ,..., A
      N , B
      1 , B
      2 ,..., B
      N ), sent from the queried node, from the signals received during this time window. Based on the node-specific time window (Δ
      2 ), the central entity assigns the response message to the queried node. The invention also relates to a computing unit that is configured to operate as a central entity, to a communications system, as well as to a computer program and a computer-readable storage program with said computer program.
    • 本发明涉及一种通信方法,其包括从中央实体(10)向至少一个节点(K1,K2,...,KN)发送查询消息(22)的步骤。 对于每个查询的节点,中心实体基于特定于节点的响应时间(T1,T2,...,TN)来确定特定于节点的时间窗口。 中心实体从查询节点发送的响应消息(A1,A2,...,AN,B1,B2,...,BN)从该时间窗口接收到的信号中过滤掉。 基于特定于节点的时间窗口(&Dgr; 2),中心实体将响应消息分配给查询节点。 本发明还涉及一种计算单元,其被配置为作为中央实体,通信系统以及具有所述计算机程序的计算机程序和计算机可读存储程序。