公开(公告)号：US08437470B2

公开(公告)日：2013-05-07

申请号：US11992983

申请日：2006-10-05

申请人： Itsik Mantin ,  Erez Waisbard ,  Aviad Kipnis ,  Aharon Grabovsky

发明人： Itsik Mantin ,  Erez Waisbard ,  Aviad Kipnis ,  Aharon Grabovsky

IPC分类号： H04K1/00 ,  H04L9/00 ,  H04L9/28

CPC分类号： H04L9/0625 ,  H04L2209/12 ,  H04L2209/24

摘要： A method of encrypting a block of data, is described, the method including providing a combining unit operative to combine a key with a block of data, the block of data expressed as a block of bits, providing a mix and condense unit operative to mix bits included in the block of bits among themselves, receiving an input including the block of data expressed as the block of bits, combining, at the combining unit, the block of bits with a key, and mixing, at the mixing and condensing unit, the combined block of bits, wherein the mix and condense unit includes a plurality of layers, each layer among the plurality of layers including a plurality of mini-functions. Related apparatus and methods are described.

摘要翻译： 描述了加密数据块的方法，所述方法包括提供组合单元，其操作以将密钥与数据块组合，所述数据块表示为比特块，提供混合和冷凝单元，其可操作以混合 包括在它们之间的比特块中的比特，接收包括表示为比特数据块的数据块的输入，在组合单元处用密钥合并比特块，并在混合和聚合单元混合， 所述组合块，其中所述混合和冷凝单元包括多个层，所述多个层中的每个层包括多个微型功能。 描述了相关的装置和方法。

公开(公告)号：US20140075566A1

公开(公告)日：2014-03-13

申请号：US13997916

申请日：2011-09-07

申请人： Eyal Farkash ,  Naomi Magen ,  Erez Waisbard ,  Eliphaz Hibshoosh

发明人： Eyal Farkash ,  Naomi Magen ,  Erez Waisbard ,  Eliphaz Hibshoosh

IPC分类号： G06F21/60

CPC分类号： G06F21/60 ,  G06F17/21 ,  G06F17/30613

摘要： A computer-implemented letter-based method of encoding a length-significant portion of natural language text to generate a letter-based fingerprint of the text portion, the method including detecting letter-based locations of occurrences of pre-determined single-letter and/or multi-letter pattern(s) within the length-significant portion, the detecting being carried out such that at least some occurrences are detected in a word-boundary independent manner that does not depend on locations of word-word boundaries, for a pattern occurrence letter-position signal which describes letter positions of the occurrences of the patterns within the text portion, computing frequency-dependent absolute or relative magnitudes of signal strength for a plurality of frequencies, the computed magnitudes representing letter-based frequencies of the pattern occurrences within the natural language text portion, and storing the computed signal strength magnitudes at the plurality of frequencies, the generated fingerprint comprising the stored signal strength magnitudes. Related apparatus and methods are also described.

摘要翻译： 一种基于计算机实现的基于字母的自然语言文本的长度重要部分的编码方法，用于生成文本部分的基于字母的指纹，所述方法包括检测基于字母的预先确定的单字母和/ 或多字母图案，检测被执行，使得至少一些出现以不依赖于字词边界的位置的单词边界独立的方式被检测到，用于图案 描述文本部分中图案出现的字母位置的字母位置信号，计算多个频率的信号强度的频率相关的绝对或相对幅度，所计算的幅度表示模式中基于字母的频率， 自然语言文本部分，并且存储在多个频率处的计算出的信号强度幅度，生成 d指纹包括存储的信号强度大小。 还描述了相关装置和方法。

公开(公告)号：US20100296655A1

公开(公告)日：2010-11-25

申请号：US12735207

申请日：2009-03-03

申请人： Hillel Solow ,  Erez Waisbard

发明人： Hillel Solow ,  Erez Waisbard

IPC分类号： H04L9/08

CPC分类号： H04L63/062 ,  G06F21/10 ,  G06F2221/0717 ,  G06F2221/2151 ,  H04L9/0822 ,  H04L9/0833 ,  H04L9/088 ,  H04L2209/60 ,  H04L2463/062 ,  H04N7/1675 ,  H04N21/26606 ,  H04N21/4623 ,  H04N21/8355

摘要： A key distribution system for controlling access to content by rendering devices, comprising an epoch module to provide epochs, each epoch including service key periods, a service key module to provide a batch of service keys, a group module to provide group keys for each epoch such that each rendering device is assigned a group key grouping together the devices having the same group key, thereby defining groups, in different epochs the devices are grouped differently, an encryption module to encrypt, for each epoch, each service key in the batch of service keys, individually with each group key yielding a plurality of group-key-encrypted service keys from each service key, and a delivery module to distribute to the devices, for each one of the epochs, the group-key-encrypted service keys for the batch of service keys and the group keys of the one epoch. Related apparatus and methods are also described.

摘要翻译： 一种用于通过渲染设备控制对内容的访问的密钥分配系统，包括提供时期的时期模块，包括服务密钥周期的每个时期，提供一批服务密钥的服务密钥模块，用于为每个历元提供组密钥的组模块 使得每个呈现设备被分配具有组合具有相同组密钥的设备的组密钥，从而在不同的时期中定义组，所述设备被不同地分组，加密模块，用于对每个时期加密该批次中的每个服务密钥 服务密钥，分别与每个组密钥产生来自每个服务密钥的多个组密钥加密的服务密钥，以及传送模块，用于向每个时代的每个时期向设备分发组密钥加密的服务密钥，用于 一批服务键和一个纪元的组键。 还描述了相关装置和方法。

公开(公告)号：US20080085003A1

公开(公告)日：2008-04-10

申请号：US11810023

申请日：2007-06-04

申请人： Erez Waisbard

发明人： Erez Waisbard

IPC分类号： H04L9/00

CPC分类号： H04L9/0891 ,  H04L9/0643 ,  H04L9/16 ,  H04L2209/38 ,  H04L2209/60

摘要： A key production system to determine a cryptographic key for a selected cryptoperiod being later than or equal to a cryptoperiod-A, and earlier than or equal to a different cryptoperiod-B, the system including a first receiver to receive a first key-component, associated with cryptoperiod-A, forming part of a first hash-chain progressing via a first one-way function, progressive key-components corresponding to later cryptoperiods, a second receiver to receive a second key-component, associated with cryptoperiod-B, forming part of a second hash-chain progressing via a second one-way function, progressive key-components corresponding to earlier cryptoperiods, first and second key-component determination modules to determine key-components in the first hash-chain and the second hash-chain, respectively, for the selected cryptoperiod, and a key determination module to determine the cryptographic key based on the key-components in the first and second hash chain for the selected cryptoperiod. Related methods and apparatus are also included.

摘要翻译： 一种密钥生产系统，用于确定所选密码周期的密码密钥晚于或等于密码周期A，并且早于或等于不同密码周期B，所述系统包括用于接收第一密钥分量的第一接收机， 与密码周期A相关联，形成通过第一单向函数进行的第一散列链的一部分，对应于后续加密周期的渐进密钥组件，接收与密码周期B相关联的第二密钥分量的第二接收机，形成 通过第二单向函数进行的第二散列链的一部分，对应于较早的密码周期的渐进密钥组件，第一和第二密钥分量确定模块，用于确定第一散列链和第二散列链中的密钥分量 ，以及密钥确定模块，用于基于所选择的密码的第一和第二散列链中的密钥分量来确定密码密钥 d。 还包括相关方法和装置。

公开(公告)号：US20130336482A1

公开(公告)日：2013-12-19

申请号：US14002174

申请日：2012-05-15

申请人： Erez Waisbard ,  Anna Schnaiderman

发明人： Erez Waisbard ,  Anna Schnaiderman

IPC分类号： H04N21/4408

CPC分类号： H04N21/4408 ,  H04N21/26606 ,  H04N21/26613 ,  H04N21/4181 ,  H04N21/4384 ,  H04N21/4623

摘要： A method for communication, including distributing over a communication network multiple channels of digital content, which are encrypted using different, channel- specific control words, and transmitting over the communication network, different, channel-specific entitlement control messages from which the control words are derivable such that each of the different channel-specific control words is derivable from any of the different channel-specific entitlement control messages by authorized receivers of the channels on the communication network. Related methods and apparatus are also included.

摘要翻译： 一种用于通信的方法，包括通过通信网络分发多个数字内容的信道，其使用不同的信道特定的控制字进行加密，以及通过通信网络发送不同的信道特定授权控制消息，控制字是 可导出，使得每个不同的信道特定控制字可以由通信网络上的信道的授权接收机从任何不同的信道特定授权控制消息中导出。 还包括相关方法和装置。

公开(公告)号：US08176546B2

公开(公告)日：2012-05-08

申请号：US12227193

申请日：2007-05-09

申请人： Erez Waisbard ,  Hillel Solow

发明人： Erez Waisbard ,  Hillel Solow

IPC分类号： H04L29/06

CPC分类号： G06F21/10 ,  G06F21/725 ,  G06F2221/2137

摘要： A rights validator system for controlling access to content, the system including a query processor to receive a rights query and to provide a result to the rights query based on an estimated time, and a time-based query response module operationally connected to the query processor, the time-based query response module being operative to determine the estimated time as a function of a most recently updated time, and a plurality of indications of elapsed time since the most recently updated time, the indications of elapsed time being from a plurality of different sources of time indication. Related apparatus and methods are also included.

摘要翻译： 用于控制对内容的访问的权限验证器系统，所述系统包括用于接收权限查询的查询处理器，并且基于估计的时间向所述权限查询提供结果;以及基于时间的查询响应模块，其操作地连接到所述查询处理器 基于时间的查询响应模块可操作以确定作为最近更新的时间的函数的估计时间，以及自最近更新的时间起经过的时间的多个指示，经过时间的指示来自多个 不同的时间指示来源。 还包括相关的装置和方法。

公开(公告)号：US07903820B2

公开(公告)日：2011-03-08

申请号：US11810023

申请日：2007-06-04

申请人： Erez Waisbard

发明人： Erez Waisbard

IPC分类号： H04L9/08 ,  G06F21/00 ,  G06F7/04

CPC分类号： H04L9/0891 ,  H04L9/0643 ,  H04L9/16 ,  H04L2209/38 ,  H04L2209/60

摘要： A key production system to determine a cryptographic key for a selected cryptoperiod being later than or equal to a cryptoperiod-A, and earlier than or equal to a different cryptoperiod-B, the system including a first receiver to receive a first key-component, associated with cryptoperiod-A, forming part of a first hash-chain progressing via a first one-way function, progressive key-components corresponding to later cryptoperiods, a second receiver to receive a second key-component, associated with cryptoperiod-B, forming part of a second hash-chain progressing via a second one-way function, progressive key-components corresponding to earlier cryptoperiods, first and second key-component determination modules to determine key-components in the first hash-chain and the second hash-chain, respectively, for the selected cryptoperiod, and a key determination module to determine the cryptographic key based on the key-components in the first and second hash chain for the selected cryptoperiod. Related methods and apparatus are also included.

摘要翻译： 一种密钥生产系统，用于确定所选密码周期的密码密钥晚于或等于密码周期A，并且早于或等于不同密码周期B，所述系统包括用于接收第一密钥分量的第一接收机， 与密码周期A相关联，形成通过第一单向函数进行的第一散列链的一部分，对应于后续加密周期的渐进密钥组件，接收与密码周期B相关联的第二密钥分量的第二接收机，形成 通过第二单向函数进行的第二散列链的一部分，对应于较早的密码周期的渐进密钥组件，第一和第二密钥分量确定模块，用于确定第一散列链和第二散列链中的密钥分量 ，以及密钥确定模块，用于基于所选择的密码的第一和第二散列链中的密钥分量来确定密码密钥 d。 还包括相关方法和装置。

公开(公告)号：US20090133116A1

公开(公告)日：2009-05-21

申请号：US12227193

申请日：2007-05-09

申请人： Erez Waisbard ,  Hillel Solow

发明人： Erez Waisbard ,  Hillel Solow

IPC分类号： H04L9/32 ,  G06F17/30

CPC分类号： G06F21/10 ,  G06F21/725 ,  G06F2221/2137

摘要： A rights validator system for controlling access to content, the system including a query processor to receive a rights query and to provide a result to the rights query based on an estimated time, and a time-based query response module operationally connected to the query processor, the time-based query response module being operative to determine the estimated time as a function of a most recently updated time, and a plurality of indications of elapsed time since the most recently updated time, the indications of elapsed time being from a plurality of different sources of time indication. Related apparatus and methods are also included.

摘要翻译： 用于控制对内容的访问的权限验证器系统，所述系统包括用于接收权限查询的查询处理器，并且基于估计的时间向所述权限查询提供结果;以及基于时间的查询响应模块，其操作地连接到所述查询处理器 基于时间的查询响应模块可操作以确定作为最近更新的时间的函数的估计时间，以及自最近更新的时间起经过的时间的多个指示，经过时间的指示来自多个 不同的时间指示来源。 还包括相关的装置和方法。

公开(公告)号：US20070204064A1

公开(公告)日：2007-08-30

申请号：US10589417

申请日：2006-11-07

申请人： David Mail ,  Hillel Solow ,  Erez Waisbard ,  Anatoly Seldin ,  Carmi Bogot

发明人： David Mail ,  Hillel Solow ,  Erez Waisbard ,  Anatoly Seldin ,  Carmi Bogot

IPC分类号： G06F15/16

CPC分类号： H04L41/0879 ,  H04L41/0886 ,  H04L51/066 ,  H04L51/24 ,  H04L51/38 ,  H04L63/105 ,  H04L65/605 ,  H04L65/80 ,  H04L2463/101 ,  H04N7/1675 ,  H04N21/23439 ,  H04N21/2347 ,  H04N21/2541 ,  H04N21/2543 ,  H04N21/25833 ,  H04N21/41407 ,  H04N21/4627 ,  H04N21/8352 ,  H04N21/8355

摘要： A multimedia content distribution method including a) storing an item of a multimedia content, b) firstly transcoding the content for playback on a first multimedia device, c) generating a content ID of the firstly transcoded content, d) storing the content ID of the firstly transcoded content in association with the stored content, e) accessing the stored content using the content ID of the firstly transcoded content, and f) secondly transcoding the stored content for playback on a second multimedia device.

摘要翻译： 一种多媒体内容分发方法，包括：a）存储多媒体内容的项目; b）首先对所述内容进行代码转换以便在第一多媒体设备上重放; c）生成所述第一转码内容的内容ID，d）存储所述内容ID 首先与所存储的内容相关联地进行代码转换的内容，e）使用所述第一代码转换内容的内容ID访问所存储的内容，以及f）第二次对存储的内容进行代码转换以在第二多媒体设备上回放。

公开(公告)号：US09213847B2

公开(公告)日：2015-12-15

申请号：US13997916

申请日：2011-09-07

申请人： Eyal Farkash ,  Naomi Magen ,  Erez Waisbard ,  Eliphaz Hibshoosh

发明人： Eyal Farkash ,  Naomi Magen ,  Erez Waisbard ,  Eliphaz Hibshoosh

IPC分类号： G06F17/21 ,  G06F21/60 ,  G06F17/30

CPC分类号： G06F21/60 ,  G06F17/21 ,  G06F17/30613

摘要： A computer-implemented letter-based method of encoding a length-significant portion of natural language text to generate a letter-based fingerprint of the text portion, the method including detecting letter-based locations of occurrences of pre-determined single-letter and/or multi-letter pattern(s) within the length-significant portion, the detecting being carried out such that at least some occurrences are detected in a word-boundary independent manner that does not depend on locations of word-word boundaries, for a pattern occurrence letter-position signal which describes letter positions of the occurrences of the patterns within the text portion, computing frequency-dependent absolute or relative magnitudes of signal strength for a plurality of frequencies, the computed magnitudes representing letter-based frequencies of the pattern occurrences within the natural language text portion, and storing the computed signal strength magnitudes at the plurality of frequencies, the generated fingerprint comprising the stored signal strength magnitudes. Related apparatus and methods are also described.

摘要翻译： 一种基于计算机实现的基于字母的自然语言文本的长度重要部分的编码方法，用于生成文本部分的基于字母的指纹，所述方法包括检测基于字母的预先确定的单字母和/ 或多字母图案，检测被执行，使得至少一些出现以不依赖于字词边界的位置的单词边界独立的方式被检测到，用于图案 描述文本部分中图案出现的字母位置的字母位置信号，计算多个频率的信号强度的频率相关的绝对或相对幅度，所计算的幅度表示模式中基于字母的频率， 自然语言文本部分，并且存储在多个频率处的计算出的信号强度幅度，生成 d指纹包括存储的信号强度大小。 还描述了相关装置和方法。