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41. 发明授权

US07716487B2 License-based cryptographic technique, particularly suited for use in a digital rights management system, for controlling access and use of bore resistant software objects in a client computer 有权
标题翻译：基于许可证的密码技术，特别适用于数字版权管理系统，用于控制客户端计算机中的耐撬软件对象的访问和使用
公开(公告)号：US07716487B2
公开(公告)日：2010-05-11
申请号：US10938472
申请日：2004-09-10
申请人： Ramarathnam Venkatesan , Yacov Yacobi
发明人： Ramarathnam Venkatesan , Yacov Yacobi
IPC分类号： H04L9/32
CPC分类号： H04N1/32288 , G06F21/10 , G10L19/018 , H04N1/32144 , H04N1/32299 , H04N7/17318 , H04N21/2541 , H04N21/2543 , H04N21/4627 , H04N21/6125 , H04N21/835 , H04N21/8358 , H04N2201/3233 , H04N2201/327
摘要： A technique for imparting substantial break-once-run-everywhere (BORE) resistance to passive and active software objects, and for controlling access and use of resulting protected objects by a client computer (400). Specifically, a relatively large number, n, of identical watermarks (1720) are embedded throughout a software object (1700), through use of n different secret watermark keys to form a protected object, with each key defining a pointer to a location in the protected object at which a corresponding watermark appears.
摘要翻译：一种用于向被动和主动的软件对象传递大量一次性破坏（BORE）抵抗的技术，以及用于由客户端计算机（400）控制对所产生的受保护对象的访问和使用。具体而言，通过使用n个不同的秘密水印密钥来形成受保护的对象，通过使用n个不同的秘密水印密钥来形成相对大数量的相同的水印（1720）（1720），每个键定义指向位于受保护的对象出现相应的水印。

42. 发明授权

US07536064B2 Image comparison by metric embeddings 有权
标题翻译：通过度量嵌入进行图像比较
公开(公告)号：US07536064B2
公开(公告)日：2009-05-19
申请号：US11141362
申请日：2005-05-31
申请人： Ramarathnam Venkatesan , Matt Cary
发明人： Ramarathnam Venkatesan , Matt Cary
IPC分类号： G06K9/54 , G06K9/68
CPC分类号： G06K9/469 , G06K9/6892
摘要： Systems and methods are presented for image comparison by metric embeddings. In one implementation, a graph is created from each image to be compared. Graph metrics are then embedded in families of trees for each image. Minimum differences between the respective families of trees for different images are compiled into a matrix, from which a similarity measure is obtained for image comparison.
摘要翻译：系统和方法用于通过度量嵌入进行图像比较。在一个实现中，从要比较的每个图像创建图形。然后，图形度量被嵌入到每个图像的树的族中。用于不同图像的各树种的最小差异被编译成矩阵，从中获得用于图像比较的相似性度量。

43. 发明申请

US20090022308A1 Primitives For Fast Secure Hash Functions And Stream Ciphers 失效
标题翻译：快速安全哈希函数和流密码的基元
公开(公告)号：US20090022308A1
公开(公告)日：2009-01-22
申请号：US11873339
申请日：2007-10-16
申请人： Ramarathnam Venkatesan , Matthew Cary
发明人： Ramarathnam Venkatesan , Matthew Cary
IPC分类号： H04L9/28 , G06F7/00 , G06F17/30 , G06F17/16
CPC分类号： H04L9/0643
摘要： Techniques are disclosed to enable efficient implementation of secure hash functions and/or stream ciphers. More specifically, a family of graphs is described that has relatively large girth, large claw, and/or rapid mixing properties. The graphs are suitable for construction of cryptographic primitives such as collision resistant hash functions and stream ciphers, which allow efficient software implementation.
摘要翻译：公开了技术来实现安全散列函数和/或流密码的有效实现。更具体地，描述了具有相对较大的周长，大的爪和/或快速混合特性的图形系列。这些图适用于构建加密原语，例如防碰撞散列函数和流密码，这允许高效的软件实现。

44. 发明申请

US20080195871A1 Producing a new black box for a digital rights management (DRM) system 审中-公开
公开(公告)号：US20080195871A1
公开(公告)日：2008-08-14
申请号：US12014081
申请日：2008-01-14
申请人： Marcus Peinado , Ramarathnam Venkatesan , Malcolm Davis
发明人： Marcus Peinado , Ramarathnam Venkatesan , Malcolm Davis
IPC分类号： H04L9/06
CPC分类号： H04L9/083 , H04L9/0825 , H04L9/0891 , H04L2209/603
摘要： A new ((n)th) black box is produced for a digital rights management (DRM) system. The (n)th black box is for being installed in and for performing decryption and encryption functions in the DRM system. The (n)th black box is produced and delivered to the DRM system upon request and includes a new ((n)th) executable and a new ((n)th) key file. The (n)th key file has a new ((n)th) set of black box keys and a number of old sets of black box keys. The request includes an old ((n-1)th) key file having the old sets of black box keys. A code optimizer/randomizer receives a master executable and randomized optimization parameters as inputs and produces the (n)th executable as an output. A key manager receives the (n-1)th key file and the (n)th set of black box keys as inputs, extracts the old sets of black box keys from the (n-1)th key file, and produces the (n)th key file including the (n)th set of black box keys and the old sets of black box keys as an output. The (n)th executable and the (n)th key file are forwarded to the requesting DRM system.

45. 发明申请

US20080177684A1 COMBINING RESILIENT CLASSIFIERS 有权
标题翻译：组合灵活分类
公开(公告)号：US20080177684A1
公开(公告)日：2008-07-24
申请号：US11625266
申请日：2007-01-19
申请人： Srivatsan Laxman , Ramarathnam Venkatesan
发明人： Srivatsan Laxman , Ramarathnam Venkatesan
IPC分类号： G06F15/18
CPC分类号： G06N99/005 , G06K9/6256 , G06K9/6269 , G06K9/6292
摘要： A classification system is described for resiliently classifying data. In various embodiments, the classification system constructs a combined classifier based on multiple classifiers that are constructed to classify a set of training data. The combined classifier can be constructed in parallel with the multiple classifiers and applied to classify data.
摘要翻译：描述了对数据进行弹性分类的分类系统。在各种实施例中，分类系统基于被分类一组训练数据的多个分类器来构建组合分类器。组合分类器可以与多个分类器并行构建并应用于数据分类。

46. 发明授权

US07391884B2 Correlative assessment between scanned and original digital images 有权
标题翻译：扫描和原始数字图像之间的相关性评估
公开(公告)号：US07391884B2
公开(公告)日：2008-06-24
申请号：US10714581
申请日：2003-11-14
申请人： Mustafa Kesal , M. Kivanc Mihcak , Gary K. Starkweather , Ramarathnam Venkatesan
发明人： Mustafa Kesal , M. Kivanc Mihcak , Gary K. Starkweather , Ramarathnam Venkatesan
IPC分类号： G06K9/00
CPC分类号： H04N1/00838
摘要： Exemplary methods for performing a statistical analysis of scanned images are disclosed. The methods described herein may be embodied as logic instructions on a computer-readable medium. In one exemplary implementation a correlation value is determined between a scanned image included in a digital file and an original digital image, and a signal is generated indicating whether the correlation value exceeds a threshold.
摘要翻译：公开了用于执行扫描图像的统计分析的示例性方法。本文描述的方法可以体现为计算机可读介质上的逻辑指令。在一个示例性实施例中，在包括在数字文件中的扫描图像与原始数字图像之间确定相关值，并且生成指示相关值是否超过阈值的信号。

47. 发明授权

US07356188B2 Recognizer of text-based work 有权
标题翻译：基于文本工作的认可者
公开(公告)号：US07356188B2
公开(公告)日：2008-04-08
申请号：US09843255
申请日：2001-04-24
申请人： Ramarathnam Venkatesan , Michael T. Malkin
发明人： Ramarathnam Venkatesan , Michael T. Malkin
IPC分类号： G06K9/72 , G06K9/00
CPC分类号： G06F17/277 , G06F17/2211
摘要： Described herein is a technology for recognizing the content of text documents. The technology determines one or more hash values for the content of a text document. Alternatively, the technology may generate a “sifted text” version of a document. In one implementation described herein, document recognition is used to determine whether the content of one document is copied (i.e., plagiarized) from another document. This is done by comparing hash values of documents (or alternatively their sifted text). In another implementation described herein, document recognition is used to categorize the content of a document so that it may be grouped with other documents in the same category. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.
摘要翻译：这里描述的是用于识别文本文档的内容的技术。该技术为文本文档的内容确定一个或多个哈希值。或者，该技术可以生成文档的“筛选文本”版本。在这里描述的一个实现中，使用文档识别来确定一个文档的内容是否从另一个文档复制（即被剽窃）。这是通过比较文档的哈希值（或者他们的筛选文本）来完成的。在本文所述的另一实现中，文档识别用于对文档的内容进行分类，使得其可以与同一类别中的其他文档分组。本摘要本身并不旨在限制本专利的范围。在所附权利要求中指出了本发明的范围。

48. 发明授权

US07263531B2 Minimum delta generator for program binaries 失效
标题翻译：程序二进制文件的最小增量生成器
公开(公告)号：US07263531B2
公开(公告)日：2007-08-28
申请号：US10862554
申请日：2004-06-07
申请人： Ramarathnam Venkatesan , Saurabh Sinha
发明人： Ramarathnam Venkatesan , Saurabh Sinha
IPC分类号： G06F17/30
CPC分类号： G06F8/658 , Y10S707/99936 , Y10S707/99943
摘要： Implementations of this invention provide a technology for generating a minimum delta between at least two program binaries. An implementation of this invention is given a source program (S) in a binary format and a target program (T) in a binary form. It constructs control flow graphs (CFGs) of each. It matches common blocks of the S's CFGs and T's CFGs. The blocks are matched based upon their content and their local neighborhoods. In addition, the register renaming problems is solved so that blocks can be fairly compared. This implementation of this invention produces an intermediate output, which is the content of unmatched blocks. It generates a set of edge edit operations for merging the unmatched blocks into S. The combination of the unmatched blocks and the edit operations is the delta. To patch S to produce a reconstructed copy of T, the delta is merged with S. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.
摘要翻译：本发明的实现提供了一种用于在至少两个程序二进制文件之间生成最小增量的技术。以二进制格式给出本发明的实现方案，并以二进制形式给出目标程序（T）。它构建了每个的控制流图（CFG）。它匹配S的CFG和T的CFG的通用块。基于他们的内容和他们当地的社区匹配。此外，解决了寄存器重命名问题，以便可以比较块。本发明的该实施方式产生中间输出，其是不匹配块的内容。它生成一组用于将不匹配的块合并到S中的边缘编辑操作。不匹配块和编辑操作的组合是增量。为了修补S以产生T的重构副本，该delta与S合并。该摘要本身并不旨在限制该专利的范围。在所附权利要求中指出了本发明的范围。

49. 发明申请

US20070189511A1 Randomized Sparse Formats for Efficient and Secure Computation on Elliptic Curves 失效
标题翻译：用于椭圆曲线高效安全计算的随机稀疏格式
公开(公告)号：US20070189511A1
公开(公告)日：2007-08-16
申请号：US11275372
申请日：2005-12-28
申请人： Ramarathnam Venkatesan , David Jao , Peter Montgomery , S. Raju
发明人： Ramarathnam Venkatesan , David Jao , Peter Montgomery , S. Raju
IPC分类号： H04L9/28
CPC分类号： G06F7/725 , G06F2207/7242
摘要： Techniques are described that facilitate cryptographic operations, such as data encryption, signing and others, encryption using a computerized method for multiplying a scalar by a point. In one implementation, a set of random integers is selected, wherein the set comprises at least one integer selected randomly. A string is configured, based in part on the set of random integers. Output in the form of a product of the scalar and the point is then calculated, based on the string.
摘要翻译：描述了促进诸如数据加密，签名等的加密操作的技术，使用用于将标量乘以点的计算机化方法的加密。在一个实现中，选择一组随机整数，其中该集合包括随机选择的至少一个整数。部分基于随机整数集合来配置字符串。然后根据字符串计算标量和点的乘积的形式的输出。

50. 发明授权

US07240210B2 Hash value computer of content of digital signals 失效
标题翻译：数字信号内容的哈希值计算机
公开(公告)号：US07240210B2
公开(公告)日：2007-07-03
申请号：US10980919
申请日：2004-11-04
申请人： M. Kivanc Mihcak , Ramarathnam Venkatesan
发明人： M. Kivanc Mihcak , Ramarathnam Venkatesan
IPC分类号： H04L9/00
CPC分类号： G10H1/0058 , G06F17/30026 , G06F17/30743 , G06F17/30758
摘要： Described herein is a technology for facilitating the recognition of the content of digital signals. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.
摘要翻译：这里描述了一种便于识别数字信号内容的技术。本摘要本身并不旨在限制本专利的范围。在所附权利要求中指出了本发明的范围。

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