公开(公告)号：US20070192851A1

公开(公告)日：2007-08-16

申请号：US11337767

申请日：2006-01-23

申请人： Stephane Onno ,  Alain Durand ,  Eric Diehl

发明人： Stephane Onno ,  Alain Durand ,  Eric Diehl

IPC分类号： H04L9/32

CPC分类号： G06F21/35

摘要： To access services on a device, such as a computer, a user has a portable device in two parts: a plug adapted to be inserted in a USB port and a transponder that remains about his person. In a preferred embodiment, an access manager verifies that first the plug and then the transponder are identified. If so, the access manager verifies if plug and transponder have to be paired and if they have the proper access rights for the desired service. Only then is access given. In a further embodiment, more than one transponder is needed to access a certain service. It can thus be appreciated that the invention provides a flexible and secure way to secure access to services.

摘要翻译： 为了访问诸如计算机的设备上的服务，用户具有两部分的便携式设备：适于插入USB端口的插头和保持在他的人身上的应答器。 在优选实施例中，访问管理器首先验证插头然后识别应答器。 如果是这样，访问管理器验证插头和转发器是否必须配对，并且是否具有所需服务的正确访问权限。 只有这样才能获得访问权限。 在另一实施例中，需要多于一个应答器来访问特定服务。 因此可以理解，本发明提供了一种灵活和安全的方式来确保对服务的访问。

公开(公告)号：US20060178995A1

公开(公告)日：2006-08-10

申请号：US11328560

申请日：2006-01-10

申请人： Eric Diehl ,  Alain Durand

发明人： Eric Diehl ,  Alain Durand

IPC分类号： G06Q99/00

CPC分类号： G11B20/0021 ,  G11B20/00086 ,  G11B20/00188 ,  G11B20/00246 ,  G11B20/00253 ,  G11B20/00492

摘要： A secure pre-recorded medium and a method for descrambling encrypted content thereon. When a player wants to access the content, a secure processor on the medium verifies that the player has not been revoked, preferably by comparing an identity of the player with identities in a revocation list, after which a mutual authentication is performed. The secure processor then verifies that the player has the rights to access the content and provides the player with the key necessary to descramble the content, whereafter the player descrambles the content.

摘要翻译： 一种安全的预先记录介质以及用于对加密内容进行解扰的方法。 当玩家想要访问内容时，媒体上的安全处理器可以最佳地通过将玩家的身份与撤销列表中的身份进行比较来验证玩家是否已经被撤销，之后进行相互认证。 然后，安全处理器验证播放器是否具有访问内容的权利，并向玩家提供解扰内容所必需的密钥，之后播放器解扰内容。

公开(公告)号：US5859498A

公开(公告)日：1999-01-12

申请号：US678689

申请日：1996-07-11

申请人： Alain Durand ,  Serge Peron

发明人： Alain Durand ,  Serge Peron

IPC分类号： H01J23/027 ,  H01J23/033

CPC分类号： H01J23/0275

摘要： Disclosed is a multistage electron collector for electron tubes. This collector comprises an imperviously sealed envelope subjected to vacuum with an input wall and a back. Within, there is a succession of electrodes and dielectric spacers. Two successive electrodes are insulated by a spacer of a first type in contact with the two electrodes and having no contact with the envelope. A spacer of a second type is in contact firstly with the electrode closest to the back and secondly with the back. Application to electron tubes, especially millimeter travelling wave tubes.

摘要翻译： 公开了一种用于电子管的多级电子收集器。 该收集器包括经过真空的不透水密封的信封，其具有输入壁和背部。 在内部，有一系列电极和电介质垫片。 两个连续的电极通过与两个电极接触的第一类型的间隔物绝缘，并且不与外壳接触。 第二类型的间隔物首先与最靠近背部的电极接触，其次与背面接触。 适用于电子管，特别是毫米波行波管。

公开(公告)号：US5103187A

公开(公告)日：1992-04-07

申请号：US678240

申请日：1991-04-01

申请人： Alain Durand ,  Olivier Rabot

发明人： Alain Durand ,  Olivier Rabot

IPC分类号： H03F3/58 ,  H03C3/30 ,  H03F3/54

CPC分类号： H03C3/30 ,  H03F3/54

摘要： This amplifier stage comprises a microwave tube wherein an electron beam (3) is made to interact with a microwave having a frequency variable within a given useful range, the velocity of the electrons of the beam being determined by a cathode voltage (V.sub.k) applied to the tube and the microwave being propagated in said delay structure (4) that imposes a phase velocity close to the velocity of the electron beam on said microwave. The cathode voltage is a variable voltage, regulated as a function of said frequency, said voltage varying with the frequency to modify the velocity of the electrons of the beam in such a way that, for every frequency of said useful range of frequencies, the corresponding velocity of these electrons remains essentially, but not precisely, identical to the phase velocity of the microwave. Thus, the dispersivity in frequency of the delay structure is compensated for, and the output power delivered by the tube is thus kept essentially constant.

摘要翻译： 该放大器级包括微波管，其中使电子束（3）与具有在给定有用范围内的频率可变的微波相互作用，所述光束的电子速度由施加到 管和微波在所述延迟结构（4）中传播，其施加接近于所述微波上的电子束的速度的相位速度。 阴极电压是作为所述频率的函数调节的可变电压，所述电压以频率变化以改变波束的电子的速度，使得对于所述有用频率范围的每个频率，相应的 这些电子的速度基本上保持不变，但并不精确地保持与微波的相位速度相同。 因此，对延迟结构的频率分散度进行补偿，并且由管输送的输出功率因此保持基本恒定。

公开(公告)号：US09210137B2

公开(公告)日：2015-12-08

申请号：US10487489

申请日：2002-08-23

申请人： Eric Diehl ,  Jean-Pierre Andreaux ,  Alain Durand

发明人： Eric Diehl ,  Jean-Pierre Andreaux ,  Alain Durand

IPC分类号： H04L29/06 ,  H04N7/167 ,  H04N21/418 ,  H04N21/434 ,  H04N21/436 ,  H04N21/4367 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/4623 ,  H04L9/08 ,  H04L9/32

CPC分类号： H04L63/0435 ,  H04L9/0822 ,  H04L9/088 ,  H04L9/3239 ,  H04L63/0428 ,  H04L2209/601 ,  H04N7/1675 ,  H04N21/4181 ,  H04N21/4345 ,  H04N21/43615 ,  H04N21/4367 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/4623

摘要： The invention relates to a local digital network comprising: at least one source device intended to broadcast data over the network; and at least one receiver device intended to receive said data. The source device uses a network active encryption key to encrypt data liable to be broadcast in the network and the receiver device contains: a network active decryption key for decrypting data encrypted using said active encryption key and at least one decryption key of the network for decrypting data encrypted with the aid of an encryption key used previously in the network. The invention also relates to the installing of new devices in such a network as well as the sending of data from a source device to a receiver device.

摘要翻译： 本发明涉及本地数字网络，其包括：用于通过网络广播数据的至少一个源设备; 以及用于接收所述数据的至少一个接收机设备。 源设备使用网络活动加密密钥来加密在网络中易于广播的数据，并且接收机设备包含：用于解密使用所述活动加密密钥加密的数据的网络主动解密密钥和用于解密的网络的至少一个解密密钥 借助于先前在网络中使用的加密密钥加密的数据。 本发明还涉及在这种网络中安装新设备以及从源设备向接收机设备发送数据。

公开(公告)号：US09154827B2

公开(公告)日：2015-10-06

申请号：US13138123

申请日：2010-01-08

申请人： Jean-Baptiste Henry ,  Alain Durand

发明人： Jean-Baptiste Henry ,  Alain Durand

IPC分类号： H04N7/167 ,  H04N21/418 ,  H04N21/266 ,  H04N21/438 ,  H04N21/4405 ,  H04N21/4623 ,  H04N21/61 ,  H04N21/6334 ,  H04N21/643

CPC分类号： H04N21/4181 ,  H04N7/1675 ,  H04N21/26606 ,  H04N21/4384 ,  H04N21/4405 ,  H04N21/4623 ,  H04N21/6125 ,  H04N21/63345 ,  H04N21/64322

摘要： Delivery of conditional access data to a receiver that is able to connect to a plurality of scrambled programs. Conditional access for a current channel is handled using standard ECMs delivered with the channel. In parallel, the receiver retrieves an ECM for a separate stream comprising control words for every channel. The control word of this ECM is used to descramble the separate stream to access the control words for every channel. In a preferred embodiment, these control words are super-encrypted using channel keys and the receiver is only able to obtain channel keys for channels for which it has access rights. In case the control words are super-encrypted, they are decrypted. Upon channel change, the relevant retrieved control word is used to descramble the new channel. Also provided is a receiver device and a transmitter device. According to a variant, the control words received in the separate stream is treated only upon a change of channel. The invention enables a reduction or removal of the CA delay when switching between channels.

摘要翻译： 将条件访问数据传送到能够连接到多个加扰程序的接收器。 使用通道随附的标准ECM处理当前通道的条件访问。 并行地，接收机检索用于单独流的ECM，其包括用于每个信道的控制字。 该ECM的控制字用于解扰分离流以访问每个通道的控制字。 在优选实施例中，使用信道密钥对这些控制字进行超级加密，并且接收机只能获得具有访问权限的信道的信道密钥。 在控制字被超加密的情况下，它们被解密。 在通道改变时，使用相关检索到的控制字解扰新通道。 还提供了接收机设备和发射机设备。 根据一个变型，在单独流中接收的控制字仅在频道改变时被处理。 本发明能够在通道之间切换时减少或消除CA延迟。

公开(公告)号：US08799514B1

公开(公告)日：2014-08-05

申请号：US13247014

申请日：2011-09-28

申请人： Olivier Vautrin ,  Reinaldo Penno ,  Rajesh Mohan ,  Sarat Kamisetty ,  Alain Durand

发明人： Olivier Vautrin ,  Reinaldo Penno ,  Rajesh Mohan ,  Sarat Kamisetty ,  Alain Durand

IPC分类号： G06F15/16

CPC分类号： G06F9/5011 ,  H04L61/2514 ,  H04L61/2517 ,  H04L67/148

摘要： A network device may receive a packet from a user device; allocate a first port range to the user device; measure a period of time after allocating the first port range; and allocate a second port range to the user device when the measured period of time is equal to a particular period of time. The first port range may be associated with a first Internet Protocol (IP) address.

摘要翻译： 网络设备可以从用户设备接收分组; 将第一个端口范围分配给用户设备; 在分配第一个端口范围后测量一段时间; 并且当所测量的时间段等于特定时间段时，将第二端口范围分配给用户设备。 第一个端口范围可以与第一个因特网协议（IP）地址相关联。

公开(公告)号：US08325729B2

公开(公告)日：2012-12-04

申请号：US11998215

申请日：2007-11-29

申请人： Alain Durand

发明人： Alain Durand

IPC分类号： H04L12/28

CPC分类号： H04L69/16 ,  H04L43/50 ,  H04L63/0492 ,  H04L63/08 ,  H04L63/12 ,  H04L63/18

摘要： Device and method for calculating distance in a communication network. Device A sets a non-predictable initial Time-To-Live (TTL) value and sends a message with this value to device B. B reads the TTL of the received message. A and B establish a Secure Authenticated Channel over which B sends the TTL of the received message. A may then calculate the distance to B. If the received TTL is greater than the initial TTL, this indicates an error or an attack; if the received TTL is lower than the initial TTL minus a TTL limit, then B is too distant; and if the initial TTL minus the TTL limit is less than or equal to the received TTL, which in turn is less than or equal to the initial TTL, then A may conclude that B a priori is within the required distance.

摘要翻译： 用于计算通信网络距离的装置和方法。 设备A设置不可预测的初始生存时间（TTL）值，并向设备B发送具有该值的消息.B读取接收到的消息的TTL。 A和B建立一个安全认证信道，B发送接收到的消息的TTL。 A可以计算到B的距离。如果接收到的TTL大于初始TTL，则表示错误或攻击; 如果接收的TTL低于初始TTL减去TTL限制，则B太远; 并且如果初始TTL减去TTL限制小于或等于接收的TTL，其又小于或等于初始TTL，则A可以先验地确定B在所需距离内。

公开(公告)号：US20120230186A1

公开(公告)日：2012-09-13

申请号：US13041927

申请日：2011-03-07

申请人： Yiu Lee ,  Alain Durand

发明人： Yiu Lee ,  Alain Durand

IPC分类号： H04L12/56 ,  H04J3/26

CPC分类号： H04L43/04 ,  H04L12/2613 ,  H04L12/2615 ,  H04L12/2686 ,  H04L12/2694 ,  H04L43/026 ,  H04L43/028 ,  H04L43/0835 ,  H04L43/0858 ,  H04L43/087 ,  H04L43/0882 ,  H04L43/106 ,  H04L43/12 ,  H04L43/18 ,  H04L47/11

摘要： A network monitoring and network congestion analysis can be performed based on a comparison of data packets at multiple different network nodes installed at different locations on a communication path. A downstream network node may be installed at a user location while an upstream network may be installed at an access router further up the network. A network congestion analyzer may receive data packet information including timestamps from both network nodes, and may compare the data packet information to group the data packets into application flows and match the corresponding packets from the different network nodes. Based on the data packet matching, the network congestion analyzer may calculate packet loss, packet delay, packet delay variation, and perform other network congestion analysis techniques for the application flows corresponding to a user's various devices and the applications executing on those devices.

摘要翻译： 可以基于安装在通信路径上的不同位置处的多个不同网络节点处的数据分组的比较来执行网络监控和网络拥塞分析。 下游网络节点可以安装在用户位置，而上游网络可以安装在进一步向上网络的接入路由器处。 网络拥塞分析器可以从两个网络节点接收包括时间戳的数据分组信息，并且可以将数据分组信息进行比较，将数据分组分组成应用流，并匹配来自不同网络节点的相应分组。 基于数据分组匹配，网络拥塞分析器可以计算分组丢失，分组延迟，分组延迟变化，并对与用户各种设备和在这些设备上执行的应用相对应的应用流执行其他网络拥塞分析技术。

公开(公告)号：US08265271B2

公开(公告)日：2012-09-11

申请号：US12312318

申请日：2007-11-06

申请人： Mohamed Karroumi ,  Stephane Onno ,  Alain Durand

发明人： Mohamed Karroumi ,  Stephane Onno ,  Alain Durand

IPC分类号： H04L9/00 ,  H04K1/00 ,  G06F21/00

CPC分类号： H04N7/165 ,  H04N21/234327 ,  H04N21/2347 ,  H04N21/2662 ,  H04N21/4405 ,  H04N21/63345

摘要： The present invention concerns a method and a device for encrypting an encoded scalable enhancement frame sent by an emitter to a receiver, the enhancement frame comprising a plurality of complementary streams ordered in term of quality level, each complementary stream corresponding to a combination of more than one scalability type, where a complementary stream of a lower quality level corresponds to a lower quality on each scalability type, comprising at the level of the emitter the steps of generating a key per complementary stream for encrypting said complementary stream in such a way that all scalability types can be either simultaneously or individually used, said keys being generated in such a way that only the keys of the complementary streams of quality levels lower than the quality level of a complementary stream can be obtained from the key of said complementary stream, and sending the key of a complementary stream corresponding to a required quality level to the receiver, the key permitting a receiver to generate the keys of the complementary streams of the lower quality levels only. The present invention also concerns a method and a device for decrypting a received encoded scalable enhancement frame.

摘要翻译： 本发明涉及一种用于加密由发射器发送到接收机的经编码的可缩放增强帧的方法和装置，所述增强帧包括在质量级别上排序的多个互补流，每个互补流对应于多于 一种可扩展性类型，其中较低质量水平的补充流对应于每种可扩展性类型的较低质量，包括在发射器的级别处产生用于加密所述互补流的每个互补流的密钥的步骤，使得所有 可扩展性类型可以同时或单独使用，所述密钥以这样一种方式生成，即只能从所述互补流的密钥获得质量水平的互补流的密钥低于互补流的质量水平，以及 将对应于所需质量水平的补充流的密钥发送给接收机t 他的密钥允许接收机仅产生较低质量级别的补充流的密钥。 本发明还涉及一种用于解密接收的经编码的可缩放增强帧的方法和装置。