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1. 发明申请

WO2010020264A1 METHOD FOR CODED DATA TRANSMISSION AND APPARATUS FOR DECODING CODED DATA 审中-公开
标题翻译：用于编码数据传输的方法和用于解码编码数据的装置
公开(公告)号：WO2010020264A1
公开(公告)日：2010-02-25
申请号：PCT/EP2008/006832
申请日：2008-08-20
申请人： NEC EUROPE LTD. , BOHLI, Jens, Matthias , HESSLER, Alban , UGUS, Osman , WESTHOFF, Dirk
发明人： BOHLI, Jens, Matthias , HESSLER, Alban , UGUS, Osman , WESTHOFF, Dirk
IPC分类号： H04L1/00 , H04L29/06
CPC分类号： H04L1/005 , H04L1/0057 , H04L63/123
摘要： A method for coded data transmission from a sender to at least one receiver, wherein the transmission data is divided into single source packets p i , the method comprising the steps of generating encoded packets from said source packets p i by applying rateless erasure codes, transmitting said encoded packets to said at least one receiver, and decoding said encoded packets in order to obtain said source packets p i by applying a decoding process with on-the-fly decodability functionality, wherein already decoded source packets p i are employed by the decoding process for decoding remaining encoded packets, the method being characterized in that an integrity check is performed on source packets p i obtained in the decoding process before accepting said source packets p i for being employed by the decoding process for further decoding. Furthermore, an apparatus for decoding coded data is disclosed.
摘要翻译：一种用于从发送器到至少一个接收器的编码数据传输的方法，其中所述传输数据被划分为单个源分组pi，所述方法包括以下步骤：通过应用无可读擦除代码从所述源分组pi生成编码分组，分组到所述至少一个接收机，并且解码所述编码分组，以便通过应用具有即时可解码功能的解码处理来获得所述源分组pi，其中已经解码的源分组pi被解码过程用于解码剩余所述方法的特征在于，在接受所述源分组pi之前，在解码过程中获得的源分组pi执行完整性检查，以被解码处理用于进一步解码。此外，公开了一种用于解码编码数据的装置。

2. 发明申请

WO2009152829A1 METHOD FOR AGGREGATING INFORMATION VALUES IN A NETWORK 审中-公开
标题翻译：在网络中聚合信息值的方法
公开(公告)号：WO2009152829A1
公开(公告)日：2009-12-23
申请号：PCT/EP2008/004898
申请日：2008-06-18
申请人： NEC EUROPE LTD. , NICCOLINI, Saverio , SEEDORF, Jan , WESTHOFF, Dirk , FROST, Lindsay
发明人： NICCOLINI, Saverio , SEEDORF, Jan , WESTHOFF, Dirk , FROST, Lindsay
IPC分类号： H04L29/06
CPC分类号： H04L63/0428 , H04L63/1408 , H04L65/1079
摘要： A method for aggregating information values in a network, the network comprising trusted network nodes and untrusted network nodes, wherein a communication session is established by directing messages through the network along a network path from an originating network node (1) to a destination network node (3) thereby transiting hop-wise several intermediate network nodes (5, 7, 8, 9), wherein said information values are appended to said messages as per-hop information by network nodes (5, 7, 8, 9) along said network path, said appended information values being aggregated from hop to hop, is characterized in that said information values are encrypted before being appended to said messages, wherein said aggregation is performed on the encrypted information values.
摘要翻译：一种用于聚合网络中的信息值的方法，所述网络包括可信网络节点和不可信网络节点，其中通过沿着从始发网络节点（1）到目的地网络节点（1）的网络路径引导消息通过网络来建立通信会话（3），从而过渡到几个中间网络节点（5,7,8,9），其中所述信息值作为每个网络节点（5,7,8,9）沿着所述消息作为每跳信息附加到所述消息网络路径，从跳到跳聚合的所述附加信息值的特征在于，所述信息值在附加到所述消息之前被加密，其中对加密信息值执行所述聚合。

3. 发明申请

WO2008041052A1 METHOD FOR ELECTING AGGREGATOR NODES IN A NETWORK 审中-公开
标题翻译：在网络中选择聚集节点的方法
公开(公告)号：WO2008041052A1
公开(公告)日：2008-04-10
申请号：PCT/IB2006/003898
申请日：2006-10-06
申请人： NEC EUROPE LTD. , WESTHOFF, Dirk , ARMKNECHT, Frederik
发明人： WESTHOFF, Dirk , ARMKNECHT, Frederik
IPC分类号： H04L29/06 , H04L9/08 , H04L29/08 , G05B19/418
CPC分类号： H04L63/065 , H04L9/008 , H04L9/083 , H04L9/0838 , H04L67/12 , H04L2209/16 , H04L2209/805 , H04W24/00 , H04W40/02 , H04W84/18
摘要： A method for electing aggregator nodes in a network, wherein the network (1) comprises a plurality of sensor nodes (S i ) to measure data, and wherein at least one of the sensor nodes (S i ) functions as aggregator node (A) to aggregate sensored data obtained by at least a subset of the sensor nodes (Sj), and wherein the network further comprises at least one sink node (2) to collect data aggregated by the aggregator nodes (A), the method comprising: establishing pairwise secret keys (k i ) between a current aggregator node (A t ) and each sensor node (S i ) of the subset of sensor nodes from which the current aggregator node (A t ) obtains sensored data; at each of the sensor nodes (S i ) of said subset, choosing a random number (r i ) and encrypting the random number (r i ) using the established key (k i ); providing a communication chain between the sensor nodes (S,) of said subset and summing the encrypted random numbers (r i ) of all sensor nodes (S i ) of said subset; and determining a new aggregator node (A t+1 ) on the basis of the resulting sum according to a predefined calculation scheme.
摘要翻译：一种用于选择网络中的聚合器节点的方法，其中所述网络（1）包括用于测量数据的多个传感器节点（S），并且其中所述传感器节点中的至少一个（S _{>）使用建立的密钥（k ）; 在所述子集的传感器节点（S i）之间提供通信链，并且对所述子集的所有传感器节点（S SUB）的加密随机数（r i i i i）求和。 ; 以及根据预定义的计算方案，根据得到的和来确定新的聚合器节点（A t t + 1 N）。}

4. 发明申请

WO2010034507A1 METHOD FOR SUPPORTING SECURE AUTHENTICATION OF A USER USING A SMARTCARD 审中-公开
标题翻译：支持使用智能卡的用户安全认证的方法
公开(公告)号：WO2010034507A1
公开(公告)日：2010-04-01
申请号：PCT/EP2009/006945
申请日：2009-09-25
申请人： NEC EUROPE LTD. , GIRAO, Joao , SORGE, Christoph , WESTHOFF, Dirk
发明人： GIRAO, Joao , SORGE, Christoph , WESTHOFF, Dirk
IPC分类号： G06F21/20 , H04L9/32
CPC分类号： H04L63/0492 , G06F21/34 , H04L9/3234 , H04L9/3255 , H04L63/126 , H04L2209/42 , H04L2209/805
摘要： A method for supporting secure authentication of a user using a smartcard, in particular an electronic identity (elD) card, said smartcard storing a secret identifier and being issued by a trusted issuer, said secret identifier being uniquely assigned to said user, wherein a pseudonym is generated on said smartcard, said pseudonym being based on said secret identifier, is characterized by the steps of generating a signature for said pseudonym, said signature being generated on said smartcard and being based on a group signature scheme, transmitting said pseudonym and said signature to a service provider, and verifying said pseudonym by checking said signature using one or several group public keys, wherein at said verification step the identity of said user cannot be revealed.
摘要翻译：一种用于支持使用智能卡，特别是电子身份（elD）卡的用户的安全认证的方法，所述智能卡存储秘密标识符并由信任的发行者发行，所述秘密标识符被唯一地分配给所述用户，其中假名在所述智能卡上产生所述假名是基于所述秘密标识符，其特征在于产生用于所述假名的签名的步骤，所述签名在所述智能卡上生成，并且基于组签名方案，传送所述假名和所述签名并且通过使用一个或多个组公钥检查所述签名来验证所述假名，其中在所述验证步骤中不能显示所述用户的身份。

5. 发明申请

WO2011044919A1 METHOD FOR NETWORK CODING TRANSMISSION 审中-公开
标题翻译：网络编码传输方法
公开(公告)号：WO2011044919A1
公开(公告)日：2011-04-21
申请号：PCT/EP2009/007390
申请日：2009-10-14
申请人： NEC EUROPE LTD. , HESSLER, Alban , WESTHOFF, Dirk
发明人： HESSLER, Alban , WESTHOFF, Dirk
IPC分类号： H04L9/30
CPC分类号： H04L9/002 , H04L9/008 , H04L9/065 , H04L2209/16 , H04L2209/805
摘要： A method for network coding transmission from a sending node (S) to at least one receiving node (R1, R2), possibly via one or more forwarding nodes (F1, F2), wherein the transmission data is divided into single plaintext packets p i , wherein payloads X are generated from said plaintext packets p i , by means of encoding, and wherein each of the packets being transmitted is composed of one of said payloads X, and a coefficient vector C that carries the information on which of said plaintext packets p i , contributed to the encoding, is characterized in that, before transmitting a packet, said coefficient vector C is solely being encrypted.
摘要翻译：一种网络编码方法，可能通过一个或多个转发节点（F1，F2）从发送节点（S）传输到至少一个接收节点（R1，R2），其中传输数据被分成单个明文分组pi，其中通过编码从所述明文分组pi生成有效载荷X，并且其中正被发送的每个分组由所述有效载荷X之一组成，系数向量C携带有关所述明文分组pi，有助于编码，其特征在于，在发送分组之前，所述系数向量C仅被加密。

6. 发明申请

WO2007144090A1 A PROCESS FOR ESTABLISHING A SECRET KEY 审中-公开
标题翻译：建立秘密钥匙的过程
公开(公告)号：WO2007144090A1
公开(公告)日：2007-12-21
申请号：PCT/EP2007/004974
申请日：2007-06-05
申请人： NEC EUROPE LTD. , ARMKNECHT, Frederik , WESTHOFF, Dirk
发明人： ARMKNECHT, Frederik , WESTHOFF, Dirk
IPC分类号： H04L9/08 , G06K7/00
CPC分类号： H04L9/0841 , H04L9/0891 , H04L2209/805
摘要： A method for establishing a secret key for a data transmission between communication partners in a network, in particular in a personal area network (PAN), or in a body area network (BAN), wherein one or several inefficient communication partners (B) in comparison to a strong, preferably central communication partner (A) of the network, have reduced power resources, is characterized through the following steps: the strong communication partner (A) transmits a plurality of data pairs, each comprising a possible key (K j ) and an identification (ID i ), to the weak communication partner (B) in a concealed manner, the weak communication partner (B) randomly selects a data pair from the plurality of data pairs, reveals the concealment of the data pair and sends the respective identification (ID j ) back to the strong communication partner (A), the strong communication partner (A) reconstructs the associated key (K j ) from the received identification (ID j ), said key (K j ) then being used as a secret key for the data transmission between the strong and the weak communication partner.
摘要翻译：一种用于建立用于网络中的通信伙伴之间的数据传输的秘密密钥的方法，特别是在个人区域网络（PAN）或身体区域网络（BAN）中，其中一个或多个低效的通信伙伴（B）在与一个较强的，优选的中心通信伙伴（A）进行比较，具有降低的功率资源，其特征在于以下步骤：强通信伙伴（A）发送多个数据对，每个数据对包括可能的密钥（K < 以及隐藏的方式向弱通信伙伴（B）发送识别（ID＆lt; i＆lt; i＆gt;），弱通信对方（B）从多个数据对，揭示了数据对的隐藏，并将相应的标识（ID＆lt; SUB＆gt;）返回到强通信伙伴（A），强通信伙伴（A）重建相关联的密钥从接收到的标识（ID 然后，所述密钥（K SUB）被用作用于强弱通信伙伴之间的数据传输的秘密密钥。

7. 发明申请

WO2008131787A1 METHOD FOR AGGREGATING DATA IN A NETWORK 审中-公开
标题翻译：用于在网络中聚合数据的方法
公开(公告)号：WO2008131787A1
公开(公告)日：2008-11-06
申请号：PCT/EP2007/003639
申请日：2007-04-25
申请人： NEC EUROPE LTD. , ARMKNECHT, Frederik , GIRAO, Joao , WESTHOFF, Dirk
发明人： ARMKNECHT, Frederik , GIRAO, Joao , WESTHOFF, Dirk
IPC分类号： H04L29/06
CPC分类号： H04L9/083 , H04L9/0891 , H04L63/0428 , H04L63/06 , H04L67/12 , H04L2209/805 , H04L2463/061
摘要： A method for aggregating data in a network, particularly in a wireless sensor network, wherein the network (1) comprises a plurality of sensor nodes (N i ) to measure data and at least one sink node (S) at which the data measured by the sensor nodes (N i ) are aggregated, and wherein each sensor node (N i ) encrypts its measured data with a key k and forwards the result towards the sink node (S), is characterized in that, in the context of a key distribution within the network (1), a master key K is chosen, and that the master key K is autonomously split up by the network (1) into individual keys k i to be used by the sensor nodes (N i ) for encrypting measured data, with the sum of all individual keys k i being equal to the master key K.
摘要翻译：一种用于聚合网络中的数据的方法，特别是在无线传感器网络中，其中所述网络（1）包括用于测量数据的多个传感器节点（N SUB）和至少一个汇聚节点（S ），其中由传感器节点（N SUB）进行测量的数据被聚合，并且其中每个传感器节点（N SUB）i用密钥k对其测量数据进行加密并且向前对于宿节点（S）的结果的特征在于，在网络（1）内的密钥分发的上下文中，选择主密钥K，并且主密钥K被网络自主地分离（ 1）转换为用于加密测量数据的传感器节点（N SUB）的各个密钥k i i i i i i i i i i i i i i i i / SUB>等于主密钥K.

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