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：US08005215B2

公开(公告)日：2011-08-23

申请号：US11886753

申请日：2006-03-09

申请人： Itsik Mantin ,  Yaron Sella ,  Erez Waisbard

发明人： Itsik Mantin ,  Yaron Sella ,  Erez Waisbard

IPC分类号： H04L9/00

CPC分类号： G06F21/74 ,  G06F21/72 ,  G06F2221/2105 ,  H04L9/0662

摘要： A system including a pseudo-random number generator having a register to store an extended state having a reduced state and a dynamic constant, an initialization module to initialize a part of the extended state based on a Key and/or an Initial Value, a state update module to update the reduced state, an output word module to generate output words, the state update module and the output word module being adapted to operate through cyclical rounds, each round including updating the reduced state and then generating one of the output words, and an update dynamic constant module to update the dynamic constant, wherein in a majority of the rounds, updating of the reduced state and/or generation of the output word is based on the dynamic constant, and the dynamic constant is only updated in a minority of the rounds. Related apparatus and method are also described.

摘要翻译： 一种包括具有存储具有缩减状态和动态常数的扩展状态的寄存器的伪随机数发生器的系统，用于基于Key初始化部分扩展状态的初始化模块和/或初始值，状态 更新模块来更新缩减状态，输出字模块生成输出字，所述状态更新模块和所述输出字模块适于通过周期性循环进行操作，每轮包括更新所述简化状态，然后生成所述输出字之一， 以及更新动态常数模块来更新动态常数，其中在大部分回合中，减小状态的更新和/或输出字的生成基于动态常数，并且动态常数仅在少数情况下更新 的回合。 还描述了相关装置和方法。

公开(公告)号：US20090080647A1

公开(公告)日：2009-03-26

申请号：US12085393

申请日：2006-12-04

申请人： Itsik Mantin ,  Yaron Sella ,  Erez Waisbard

发明人： Itsik Mantin ,  Yaron Sella ,  Erez Waisbard

IPC分类号： H04L9/06

CPC分类号： H04L9/0637 ,  H04L9/0625 ,  H04L2209/125 ,  H04L2209/24

摘要： A block cipher system for encrypting a plurality of blocks from plaintext to ciphertext, each of the blocks being associated with a constant root key, the system including an encryption key module to determine an input key for each of blocks based on a function having a plurality of inputs including the root key and an initialization vector, for a first one of the blocks, and the plaintext of at least one of the blocks which was previously encrypted and the root key, for the blocks other than the first block, and an encryption module to encrypt each of the blocks based on the input key determined for each of the blocks, respectively. Related apparatus and methods also included.

摘要翻译： 一种用于将多个块从明文加密为密文的块加密系统，每个块与常密根密钥相关联，该系统包括加密密钥模块，用于基于具有多个块的功能来确定每个块的输入密钥 对于第一个块的根密钥和初始化向量的输入，以及对于除第一块之外的块以前被加密的块和根密钥中的至少一个的明文，以及加密 模块分别基于为每个块确定的输入密钥来加密每个块。 还包括相关的装置和方法。

公开(公告)号：US20110271104A9

公开(公告)日：2011-11-03

申请号：US11990720

申请日：2006-09-27

申请人： Leonid Sandler ,  Yaron Sella ,  Erez Waisbard

发明人： Leonid Sandler ,  Yaron Sella ,  Erez Waisbard

IPC分类号： H04L9/32 ,  H04L9/08 ,  G06F15/16

CPC分类号： H04L63/0485 ,  G06F21/10 ,  G06F21/34 ,  G06F21/51 ,  G06F2221/0753 ,  G06F2221/2105 ,  G06F2221/2143 ,  H04L9/0819 ,  H04L63/08 ,  H04N21/4181

摘要： A method and system of securing content is described, the method including establishing communication between a secure module source and a content rendering device, loading a dynamically generated pseudo-unique secure module to the content rendering device from the secure module source, establishing communication between the secure module source and the dynamically generated pseudo-unique secure module, and transferring a decryption key from the secure module source to the dynamically generated pseudo-unique secure module, thereby enabling decryption of encrypted content, the encrypted content being encrypted according to the decryption key. Related methods and apparatus are also described.

摘要翻译： 描述了保护内容的方法和系统，所述方法包括建立安全模块源和内容呈现设备之间的通信，从安全模块源将动态生成的伪唯一安全模块加载到内容呈现设备，建立在 安全模块源和动态生成的伪唯一安全模块，以及将解密密钥从安全模块源传送到动态生成的伪唯一安全模块，从而能够解密加密内容，根据解密密钥加密加密内容 。 还描述了相关方法和装置。

公开(公告)号：US20100153717A1

公开(公告)日：2010-06-17

申请号：US11990720

申请日：2006-09-27

申请人： Leonid Sandler ,  Yaron Sella ,  Erez Waisbard

发明人： Leonid Sandler ,  Yaron Sella ,  Erez Waisbard

IPC分类号： H04L9/32 ,  H04L9/08 ,  G06F15/16

CPC分类号： H04L63/0485 ,  G06F21/10 ,  G06F21/34 ,  G06F21/51 ,  G06F2221/0753 ,  G06F2221/2105 ,  G06F2221/2143 ,  H04L9/0819 ,  H04L63/08 ,  H04N21/4181

摘要： A method and system of securing content is described, the method including establishing communication between a secure module source and a content rendering device, loading a dynamically generated pseudo-unique secure module to the content rendering device from the secure module source, establishing communication between the secure module source and the dynamically generated pseudo-unique secure module, and transferring a decryption key from the secure module source to the dynamically generated pseudo-unique secure module, thereby enabling decryption of encrypted content, the encrypted content being encrypted according to the decryption key. Related methods and apparatus are also described.

摘要翻译： 描述了保护内容的方法和系统，所述方法包括建立安全模块源和内容呈现设备之间的通信，从安全模块源将动态生成的伪唯一安全模块加载到内容呈现设备，建立在 安全模块源和动态生成的伪唯一安全模块，以及将解密密钥从安全模块源传送到动态生成的伪唯一安全模块，从而能够解密加密内容，根据解密密钥加密加密内容 。 还描述了相关方法和装置。

公开(公告)号：US20090070596A1

公开(公告)日：2009-03-12

申请号：US12083023

申请日：2006-11-13

申请人： Itsik Mantin ,  Perry Smith ,  Yaron Sella ,  Erez Waisbard

发明人： Itsik Mantin ,  Perry Smith ,  Yaron Sella ,  Erez Waisbard

IPC分类号： G06F21/20 ,  G06F12/14 ,  H04L9/28

CPC分类号： G06F21/6218 ,  G06F21/55 ,  G06F21/554 ,  G06F21/575 ,  G06F21/62 ,  G06F21/78 ,  G06F2221/2143 ,  G11B20/00086 ,  G11B20/00666 ,  G11B20/00826 ,  H04L9/0886 ,  H04L9/0894 ,  H04L9/30 ,  H04N9/8205

摘要： A method is described for securing a read write storage (RWS) device, the method comprising, providing the RWS device, the RWS device comprising a controller comprising a processor and a bit bucket and employing, in response to a decision making process, a sanction in the RWS device. Related apparatus and methods are also described.

摘要翻译： 描述了一种用于保护读写存储（RWS）设备的方法，所述方法包括：提供RWS设备，RWS设备包括包括处理器和位桶的控制器，并且响应于决策过程采用制裁 在RWS设备中。 还描述了相关装置和方法。

公开(公告)号：US08677462B2

公开(公告)日：2014-03-18

申请号：US11665791

申请日：2004-11-01

申请人： Erez Waisbard ,  Yaron Sella

发明人： Erez Waisbard ,  Yaron Sella

IPC分类号： H04L29/06

CPC分类号： H04N7/1675 ,  H04N21/26606 ,  H04N21/4181 ,  H04N21/4623 ,  H04N21/4627

摘要： A method for granting a grace period entitlement, the method comprising receiving a grace period entitlement message, establishing whether a grace period flag indicates that a grace period may be granted, granting a grace period to an expired entitlement based, at least in part, on the grace period entitlement message, only if the grace period flag is “off”, and setting the grace period flag to indicate that the grace period has been granted. Related methods and apparatus are also described.

摘要翻译： 一种用于授予宽限期授权的方法，所述方法包括接收宽限期授权消息，确定宽限期标志是否指示宽限期可被授予，宽限期至少部分地基于过期授权给予过期授权 宽限期授权消息，只有宽限期标志为“关闭”，并设置宽限期标志以指示宽限期已被授予。 还描述了相关方法和装置。

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：US08417963B2

公开(公告)日：2013-04-09

申请号：US12083023

申请日：2006-11-13

申请人： Itsik Mantin ,  Perry Smith ,  Yaron Sella ,  Erez Waisbard

发明人： Itsik Mantin ,  Perry Smith ,  Yaron Sella ,  Erez Waisbard

IPC分类号： G06F21/00

CPC分类号： G06F21/6218 ,  G06F21/55 ,  G06F21/554 ,  G06F21/575 ,  G06F21/62 ,  G06F21/78 ,  G06F2221/2143 ,  G11B20/00086 ,  G11B20/00666 ,  G11B20/00826 ,  H04L9/0886 ,  H04L9/0894 ,  H04L9/30 ,  H04N9/8205

摘要： A method is described for securing a read write storage (RWS) device, the method comprising, providing the RWS device, the RWS device comprising a controller comprising a processor and a bit bucket and employing, in response to a decision making process, a sanction in the RWS device. Related apparatus and methods are also described.

摘要翻译： 描述了一种用于保护读写存储（RWS）设备的方法，所述方法包括：提供RWS设备，RWS设备包括包括处理器和位桶的控制器，并且响应于决策过程采用制裁 在RWS设备中。 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。