专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2007116390A2 FINGERPRINTING DESCRAMBLING KEYS 审中-公开
标题翻译：指示DESCRAMBLING KEYS
公开(公告)号：WO2007116390A2
公开(公告)日：2007-10-18
申请号：PCT/IL2006/000472
申请日：2006-04-11
申请人： NDS LIMITED , SUMNER, Reuben , SELLA, Yaron , KIPNIS, Aviad , WAISBARD, Erez
发明人： SUMNER, Reuben , SELLA, Yaron , KIPNIS, Aviad , WAISBARD, Erez
IPC分类号： H04L9/00
CPC分类号： H04L9/0866 , H04L9/3231 , H04L2209/42 , H04L2209/60
摘要： A method for producing fingerprinted descrambling keys is described, the method including providing a conditional access module, providing to the conditional access module a content descrambling key and personalization data, the personalization data including data associated with the conditional access module, combining the content descrambling key and the personalization data, encrypting the combined content descrambling key and personalization data according to a key, and outputting the encrypted combined content descrambling key and personalization data. Related methods and apparatus are also described.
摘要翻译：一种用于产生指纹解密密钥的方法，该方法包括提供条件访问模块，向条件访问模块提供内容解扰密钥和个性化数据，个性化数据包括与条件访问模块相关联的数据，组合内容解密密钥个性化数据，根据密钥加密组合内容解密密钥和个性化数据，并输出加密的组合内容解扰密钥和个性化数据。还描述了相关方法和装置。

2. 发明申请

WO2008117142A9 METHOD AND SYSTEM FOR BLOCK CIPHER ENCRYPTION 审中-公开
标题翻译：用于块密码加密的方法和系统
公开(公告)号：WO2008117142A9
公开(公告)日：2008-10-02
申请号：PCT/IB2007/054592
申请日：2007-11-12
申请人： NDS LIMITED , MANTIN, Itsik , WAISBARD, Erez , KIPNIS, Aviad
发明人： MANTIN, Itsik , WAISBARD, Erez , KIPNIS, Aviad
IPC分类号： H04L9/06
摘要： A method and system 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 (MAC) operative to mix bits included in the block of bits among themselves, providing a plurality of layers of S-boxes, the S-boxes operative to receive an input including an input which has not yet been input into the mix and condense unit and to provide an output including an input to the mix and condense unit, 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, receiving an output of the combining unit as an input, substituting bits including the input to the plurality of layers of S-boxes with bits including the output of the plurality of layers of S-boxes, outputting the output of the plurality of layers of S-boxes to the mix and condense unit, and mixing, at the mix and condense unit, the output of the plurality of layers of S-boxes, thereby producing an encrypted block of bits.
摘要翻译：描述了一种对数据块进行加密的方法和系统，该方法包括提供组合单元，该组合单元用于将密钥与数据块进行组合，该数据块表示为位块，提供混合和压缩单元（MAC），其操作以混合包括在它们之间的比特块中的比特，提供多个S盒层，这些S盒操作用于接收包括尚未输入的输入的输入进入混合和压缩单元，并提供包括输入到混合和压缩单元的输出，接收包括表示为比特块的数据块的输入，在组合单元处将比特块与键合并，接收所述组合单元的输出作为输入，用包括所述多个S盒层的所述输出的位替换包括所述输入的位到所述多个S盒的层，输出所述多个S盒的所述输出 S盒到混合和凝聚单元，并且在混合和压缩单元处混合多个S盒的输出，由此产生加密的比特块。

3. 发明申请

WO2014106781A1 SECRETS RENEWABILITY 审中-公开
标题翻译：秘密可再生能力
公开(公告)号：WO2014106781A1
公开(公告)日：2014-07-10
申请号：PCT/IB2013/055658
申请日：2013-07-10
申请人： NDS LIMITED , KARA-IVANOV, Michael , KIPNIS, Aviad , REINMAN, Tzachy , MANGELL, Efraim , WAISBARD, Erez , BELENKY, Yaacov
发明人： KARA-IVANOV, Michael , KIPNIS, Aviad , REINMAN, Tzachy , MANGELL, Efraim , WAISBARD, Erez , BELENKY, Yaacov
IPC分类号： H04L9/08
CPC分类号： H04L9/0861 , H04L9/0869
摘要： A method, system and apparatus for deriving a secondary secret from a root secret are described, the method, system and apparatus including reserving a memory buffer included in an integrated circuit, the memory buffer being large enough to contain all of the bits which will include the secondary secret, receiving a plurality of bits from a root secret, the root secret being stored in a secure memory of the integrated circuit, inputting the plurality of bits from the root secret and at least one control bit into a permutation network, and thereby producing a multiplicity of output bits, the at least one control bit including one of one bit of a value g, and one bit an output of a function which receives g as an input, receiving the multiplicity of output bits from the permutation network, inputting the multiplicity of output bits from the permutation network into a plurality of logic gates, thereby combining the multiplicity of output bits, wherein a fixed number of bits is output from the logic gates, inputting the fixed number of bits output by the logic gates into an error correcting code module, the fixed number of bits output by the logic gates including a first group of intermediate output bits and a second group of intermediate output bits and receiving output bits from the error correcting code module, the output bits of the error correcting code module including the first group of intermediate output bits as changed by the error correcting code module, where the change depends on the second group of intermediate output bits, filling non-filled registers in the reserved memory buffer with the first group of intermediate output bits as changed by the error correcting code module, and repeating the steps of "receiving a plurality of bits from a root secret" through "filling non-filled registers in the reserved memory buffer" until the entire secondary secret is derived, wherein the steps of "receiving a plurality of bits from a root secret" through "filling non-filled registers in the reserved memory buffer" are performed in a single clock cycle of the integrated circuit. Related apparatus, methods and systems are also described.
摘要翻译：描述了用于从根秘密导出第二秘密的方法，系统和装置，所述方法，系统和装置包括保留包括在集成电路中的存储器缓冲器，所述存储器缓冲器足够大以包含将包括的所有位第二秘密，从根秘密接收多个比特，根秘密被存储在集成电路的安全存储器中，从根秘密输入多个比特和至少一个控制比特进入置换网络，从而产生多个输出比特，所述至少一个控制比特包括值g的一个比特中的一个，一个比特作为接收g作为输入的函数的输出，从置换网络接收多个输出比特，输入从置换网络到多个逻辑门的多个输出比特，从而组合多个输出比特，其中固定比特数从逻辑门，将由逻辑门输出的固定位数输入到纠错码模块中，逻辑门输出的固定位数包括第一组中间输出位和第二组中间输出位，并接收来自纠错码模块的输出位，纠错码模块的输出位包括由纠错码模块改变的第一组中间输出位，其中改变取决于第二组中间输出位，所述预留存储器缓冲器中的所述第一组中间输出位的补充寄存器被所述纠错码模块改变，并且重复“从根秘密接收多个位”的步骤，通过“将未填充寄存器保留的存储器缓冲器“，直到导出完整的二级秘密，其中”通过“不填入”从“根秘密接收多个比特” 在保留的存储器缓冲器中的n个填充寄存器“在集成电路的单个时钟周期中执行。还描述了相关装置，方法和系统。

4. 发明申请

WO2007043045A3 METHOD AND SYSTEM FOR BLOCK CIPHER ENCRYPTION 审中-公开
公开(公告)号：WO2007043045A3
公开(公告)日：2007-04-19
申请号：PCT/IL2006/001167
申请日：2006-10-05
申请人： NDS LIMITED , MANTIN, Itsik , WAISBARD, Erez , KIPNIS, Aviad
发明人： MANTIN, Itsik , WAISBARD, Erez , KIPNIS, Aviad
IPC分类号： H04L9/06 , H04L9/28 , H04L9/16
摘要： A method of encrypting a block of data, is described, the method including providing a combining unit (110) operative to combine a key (RK) with a block of data (R), 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 Further a combine right left unit (120) is provided to combine the output of the combining unit with a second block of data (L)

5. 发明申请

WO2007039896A2 SECURITY DEVICE AND BUILDING BLOCK FUNCTIONS 审中-公开
标题翻译：安全设备和建筑块功能
公开(公告)号：WO2007039896A2
公开(公告)日：2007-04-12
申请号：PCT/IL2006/001133
申请日：2006-09-27
申请人： NDS LIMITED , SANDLER, Leonid , SELLA, Yaron , WAISBARD, Erez
发明人： SANDLER, Leonid , SELLA, Yaron , WAISBARD, Erez
IPC分类号： A61K47/00
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：描述了一种保护内容的方法和系统，所述方法包括在安全模块源和内容呈现设备之间建立通信，将动态生成的伪唯一安全模块从所述内容呈现设备在安全模块源和动态生成的伪唯一安全模块之间建立通信，以及将解密密钥从安全模块源传输到动态生成的伪唯一安全模块，由此使得能够解密加密内容，加密内容根据解密密钥被加密。还描述了相关的方法和装置。

6. 发明申请

WO2007069236A2 METHOD AND SYSTEM FOR USAGE OF BLOCK CIPHER ENCRYPTION 审中-公开
标题翻译：使用块加油加密的方法和系统
公开(公告)号：WO2007069236A2
公开(公告)日：2007-06-21
申请号：PCT/IL2006/001394
申请日：2006-12-04
申请人： NDS LIMITED , MANTIN, Itsik , SELLA, Yaron , WAISBARD, Erez
发明人： MANTIN, Itsik , SELLA, Yaron , WAISBARD, Erez
IPC分类号： H04K1/02
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。

7. 发明申请

WO2007054942A2 SECURE READ-WRITE STORAGE DEVICE 审中-公开
标题翻译：安全阅读存储设备
公开(公告)号：WO2007054942A2
公开(公告)日：2007-05-18
申请号：PCT/IL2006/001298
申请日：2006-11-13
申请人： NDS LIMITED , MANTIN, Itsik , SMITH, Perry , SELLA, Yaron , WAISBARD, Erez
发明人： MANTIN, Itsik , SMITH, Perry , SELLA, Yaron , WAISBARD, Erez
IPC分类号： G06F21/20
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。

8. 发明申请

WO2006048856A1 EFFICIENT AND SECURE RENEWAL OF ENTITLEMENTS 审中-公开
标题翻译：有效和安全的重组
公开(公告)号：WO2006048856A1
公开(公告)日：2006-05-11
申请号：PCT/IL2004/000998
申请日：2004-11-01
申请人： NDS LIMITED , WAISBARD, Erez , SELLA, Yaron
发明人： WAISBARD, Erez , SELLA, Yaron
IPC分类号： H04N7/167
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。

9. 发明申请

WO2007096858A2 EFFICIENT CERTIFICATE REVOCATION 审中-公开
标题翻译：有效的证书撤销
公开(公告)号：WO2007096858A2
公开(公告)日：2007-08-30
申请号：PCT/IL2006/000261
申请日：2006-02-27
申请人： NDS LIMITED , WAISBARD, Erez , SUMNER, Reuben
发明人： WAISBARD, Erez , SUMNER, Reuben
IPC分类号： G06F21/24
CPC分类号： H04L9/3263
摘要： A digital certificate management system for managing certificates of devices having components, the system comprising a digital certificate issuing subsystem operative to issue certificates such that a certificate chain is formed for each of the devices, the certificates including a root certificate, a plurality of leaf certificates, and a plurality of component certificates, the certificate chain of each of the devices including one of the component certificates between the root certificate and an associated one of the leaf certificates, different component certificates being issued for the devices having different combinations of the components. Related apparatus and methods are also described.
摘要翻译：一种用于管理具有组件的设备的证书的数字证书管理系统，所述系统包括数字证书颁发子系统，该数字证书颁发子系统可操作以颁发证书，以便为每个设备形成证书链，所述证书包括根证书，多个叶证书和多个组件证书，每个设备的证书链包括根证书和相关联的一个叶证书之间的组件证书之一，对于具有不同组件组合的设备发出不同的组件证书。还描述了相关装置和方法。

10. 发明申请

WO2006111950A2 IMPROVED CIPHER SYSTEM 审中-公开
标题翻译：改进的CIPHER系统
公开(公告)号：WO2006111950A2
公开(公告)日：2006-10-26
申请号：PCT/IL2006/000312
申请日：2006-03-09
申请人： NDS LIMITED , MANTIN, Itsik , SELLA, Yaron , WAISBARD, Erez
发明人： MANTIN, Itsik , SELLA, Yaron , WAISBARD, Erez
IPC分类号： G06F21/24
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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式