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1. 发明授权

US06766344B2 Processing Galois Field arithmetic 失效
标题翻译：处理伽罗瓦域算术
公开(公告)号：US06766344B2
公开(公告)日：2004-07-20
申请号：US09851236
申请日：2001-05-08
申请人： Pradeep K Dubey , Charanjit Jutla , Josyula R Rao , Pankaj Rohatgi , Atri Rudra , Vijay Kumar
发明人： Pradeep K Dubey , Charanjit Jutla , Josyula R Rao , Pankaj Rohatgi , Atri Rudra , Vijay Kumar
IPC分类号： G06F700
CPC分类号： G06F7/724 , G06F2207/7209
摘要： Efficient parallel processing of algorithms involving Galois Field arithmetic use data slicing techniques to execute arithmetic operations on a computing hardware having SIMD (single-instruction, multiple-data) architectures. A W-bit wide word computer capable of operating on one or more sets of k-bit operands executes Galois Field arithmetic by mapping arithmetic operations of Galois Field GF(2n) to corresponding operations in subfields lower order (m
摘要翻译：涉及Galois Field算法的算法的有效并行处理使用数据分片技术对具有SIMD（单指令，多数据）架构的计算硬件执行算术运算。能够对一个或多个k位操作数进行操作的W位宽字计算机通过将伽罗瓦域GF（2 ）的算术运算映射到子字段低阶（m

2. 发明申请

US20050257269A1 Cost effective incident response 审中-公开
标题翻译：成本有效的事件响应
公开(公告)号：US20050257269A1
公开(公告)日：2005-11-17
申请号：US11121359
申请日：2005-05-03
申请人： Suresh Chari , Pau-Chen Cheng , Pankaj Rohatgi , Charanjit Jutla , Josyula Rao , Michael Steiner
发明人： Suresh Chari , Pau-Chen Cheng , Pankaj Rohatgi , Charanjit Jutla , Josyula Rao , Michael Steiner
IPC分类号： H04L9/00 , H04L29/06
CPC分类号： H04L63/1416 , H04L63/145
摘要： A response system which produces strategies to contain hosts compromised by a worm. One minimizes the damage so caused and the loss of business values induced by actions taken to protect a network. The approach uses logical representation of the target network. By abstracting low level information such as switches, routers and their connectivities, theoretical algorithms are used to find the optimal containment.
摘要翻译：一种响应系统，其产生策略以包含受蠕虫感染的主机。一个最小化由此引起的损害，以及为保护网络而采取的行动引起的业务价值的损失。该方法使用目标网络的逻辑表示。通过抽象交换机，路由器及其连通性等低级别信息，可以使用理论算法来找到最优的遏制。

3. 发明授权

US07142670B2 Space-efficient, side-channel attack resistant table lookups 失效
公开(公告)号：US07142670B2
公开(公告)日：2006-11-28
申请号：US09943720
申请日：2001-08-31
申请人： Suresh N. Chari , Josyula R. Rao , Pankaj Rohatgi , Helmut Scherzer
发明人： Suresh N. Chari , Josyula R. Rao , Pankaj Rohatgi , Helmut Scherzer
IPC分类号： H04K1/00 , H04L9/00
CPC分类号： G06F21/556 , H04L9/002 , H04L2209/043 , H04L2209/08
摘要： Methods, apparatus and computer software and hardware products providing method, apparatus and system solutions for implementing table lookups in a side-channel attack resistant manner. Embodiments are provided for devices and situations where there is limited amount of RAM memory available or restrictions on memory addressing. The solutions solve problems associated with look up tables with large indices, as well as problems associated with looking up large sized tables or a collection of tables of large cumulative size, in limited devices, in an efficient side-channel attack resistant manner. These solutions provide defenses against both first-order side channel attacks as well as higher-order side channel attacks. One aspect of the present invention is the creation of one or more random tables which are used possibly in conjunction with other tables to perform a table lookup. This denies an adversary information about the table lookup from the side channel and thereby imparting side-channel resistance to the table lookup operation. Another aspect of the present invention is the use of a combination of some operations such as Table Split, Table Mask and Table Aggregate, to achieve this side-channel resistance within the limited amounts of available RAM and limited memory addressing capabilities of the device performing table lookups.

4. 发明授权

US08650623B2 Risk adaptive information flow based access control 失效
标题翻译：基于风险自适应信息流的访问控制
公开(公告)号：US08650623B2
公开(公告)日：2014-02-11
申请号：US11623838
申请日：2007-01-17
申请人： Pau-Chen Cheng , Pankaj Rohatgi , Claudia Keser , Josyula R. Rao
发明人： Pau-Chen Cheng , Pankaj Rohatgi , Claudia Keser , Josyula R. Rao
IPC分类号： G06F7/04 , G06F15/16 , G06F17/30 , G06F12/00 , G06F12/14 , G06F13/00 , G06F11/00 , H04L29/00 , H04L29/06 , G11C7/00 , G08B23/00
CPC分类号： G06F21/604 , G06F21/62 , G06Q10/06 , G06Q30/0601
摘要： Systems and methods are provided to manage risk associated with access to information within a given organization. The overall risk tolerance for the organization is determined and allocated among a plurality of subjects within the organization. Allocation is accomplished using either a centralized, request/response or free market mechanism. As requested from subjects within the organization for access to objects, i.e. information and data, are received, the amount of risk or risk level associated with each requested is quantified. Risk quantification can be accomplished using, for example, fuzzy multi-level security. The quantified risk associated with the access request in combination with the identity of the object and the identity of the subject are used to determine whether or not the request should be granted, denied or granted with appropriated mitigation measures.
摘要翻译：提供系统和方法来管理与给定组织内的信息访问相关的风险。确定组织的整体风险承受能力，并在组织内的多个主体之间进行分配。分配是使用集中式，请求/响应或自由市场机制完成的。根据组织内用于访问对象（即信息和数据）的主体的要求，量化与每个请求相关联的风险或风险级别的数量。可以使用例如模糊多级安全性来实现风险量化。与访问请求相关的量化风险与对象的身份和主体的身份相结合，用于确定请求是否应被授予，拒绝或授予适当的缓解措施。

5. 发明申请

US20110173084A1 Risk Adaptive Information Flow Based Access Control 失效
标题翻译：风险自适应信息流访问控制
公开(公告)号：US20110173084A1
公开(公告)日：2011-07-14
申请号：US11623838
申请日：2007-01-17
申请人： Pau-Chen Cheng , Pankaj Rohatgi , Claudia Keser , Josyula R. Rao
发明人： Pau-Chen Cheng , Pankaj Rohatgi , Claudia Keser , Josyula R. Rao
IPC分类号： G06Q30/00 , G06F21/00
CPC分类号： G06F21/604 , G06F21/62 , G06Q10/06 , G06Q30/0601
摘要： Systems and methods are provided to manage risk associated with access to information within a given organization. The overall risk tolerance for the organization is determined and allocated among a plurality of subjects within the organization. Allocation is accomplished using either a centralized, request/response or free market mechanism. As requested from subjects within the organization for access to objects, i.e. information and data, are received, the amount of risk or risk level associated with each requested is quantified. Risk quantification can be accomplished using, for example, fuzzy multi-level security. The quantified risk associated with the access request in combination with the identity of the object and the identity of the subject are used to determine whether or not the request should be granted, denied or granted with appropriated mitigation measures.
摘要翻译：提供系统和方法来管理与给定组织内的信息访问相关的风险。确定组织的整体风险承受能力，并在组织内的多个主体之间分配。分配是使用集中式，请求/响应或自由市场机制完成的。根据组织内用于访问对象（即信息和数据）的主体的要求，量化与每个请求相关联的风险或风险级别的数量。可以使用例如模糊多级安全性来实现风险量化。与访问请求相关的量化风险与对象的身份和主体的身份相结合，用于确定请求是否应被授予，拒绝或授予适当的缓解措施。

6. 发明授权

US06978446B2 System and method for protecting against leakage of sensitive information from compromising electromagnetic emanations from computing systems 失效
标题翻译：用于防止敏感信息泄露的计算机系统和方法免受来自计算系统的电磁辐射的影响
公开(公告)号：US06978446B2
公开(公告)日：2005-12-20
申请号：US10109297
申请日：2002-03-27
申请人： Bruce Roy Archambeault , Josyula R. Rao , Pankaj Rohatgi , Helmut Scherzer
发明人： Bruce Roy Archambeault , Josyula R. Rao , Pankaj Rohatgi , Helmut Scherzer
IPC分类号： G06F21/00 , G09F9/44
CPC分类号： G06F21/556
摘要： A method for changing an operation performed by an electronic device includes defining a process flow chart of the operation to be performed by the electronic device, the process flow chart having one or more primitive actions, the operation having one or more components, the primitive action operating on the components to produce an output. The method further includes determining a number of information dispersal units for each of the components. For each of the components, defining a set of information dispersal units, transforming one or more of the primitive actions of the operation using a transform function to create a transformed primitive action, and applying each of the transformed primitive actions to all the respective sets of information dispersal units to produce a transformed set of transformed information dispersal units.
摘要翻译：一种用于改变由电子设备执行的操作的方法包括定义由电子设备执行的操作的处理流程图，具有一个或多个原始动作的处理流程图，具有一个或多个组件的操作，原始动作在组件上运行以产生输出。该方法还包括为每个组件确定多个信息分散单元。对于每个组件，定义一组信息分散单元，使用变换函数来变换操作的一个或多个原始动作以创建变换的原始动作，并且将每个经变换的原始动作应用于所有相应的组信息分散单位来生成一组转换后的信息分散单元。

7. 发明授权

US06870090B2 System for protecting against leakage of sensitive information from compromising electromagnetic emissions from computing systems 失效
标题翻译：用于防止敏感信息泄漏的计算系统免受电磁辐射危害的系统
公开(公告)号：US06870090B2
公开(公告)日：2005-03-22
申请号：US10109819
申请日：2002-03-28
申请人： Dakshi Agrawal , Bruce Roy Archambeault , Josyula R. Rao , Pankaj Rohatgi
发明人： Dakshi Agrawal , Bruce Roy Archambeault , Josyula R. Rao , Pankaj Rohatgi
IPC分类号： G06F7/50 , G06F21/00 , H05K9/00
CPC分类号： G06F21/75 , G06F7/50 , G06F21/556 , G06F2207/7219
摘要： An electronic device for distorting sensitive information in one or more electromagnetic emanations from the electronic device is disclosed. The device has one or more active layers having one or more electronic components that emit the electromagnetic emanations and one or more conductive substrate layers planarity adjacent to one or more of the active layers that distort the electromagnetic emanations. In alternative embodiments of the inventions, shielding is added with frequency selective openings. In other alternative embodiments, a signal source is added to distort sensitive information.
摘要翻译：公开了一种用于使来自电子设备的一个或多个电磁辐射中的敏感信息变形的电子设备。该器件具有一个或多个有源层，其具有发射电磁发射的一个或多个电子元件，以及一个或多个导电衬底层与一个或多个有源层相邻的平面性，使电磁辐射失真。在本发明的替代实施例中，屏蔽被添加有频率选择性开口。在其他替代实施例中，添加信号源以扭曲敏感信息。

8. 发明授权

US08606724B2 Policy evolution with machine learning 失效
标题翻译：机器学习的政策演进
公开(公告)号：US08606724B2
公开(公告)日：2013-12-10
申请号：US12266198
申请日：2008-11-06
申请人： Pau-Chen Cheng , John Andrew Clark , Yow Tzu Lim , Pankaj Rohatgi
发明人： Pau-Chen Cheng , John Andrew Clark , Yow Tzu Lim , Pankaj Rohatgi
IPC分类号： G06F15/18 , G06F17/00 , G06N3/00 , G06N3/12 , G06N5/00
CPC分类号： G06N99/005
摘要： A method for constructing a classifier which maps an input vector to one of a plurality of pre-defined classes, the method steps includes receiving a set of training examples as input, wherein each training example is an exemplary input vector belonging to one of the pre-defined classes, learning a plurality of functions, wherein each function maps the exemplary input vectors to a numerical value, and determining a class for the input vector by combining numerical outputs of the functions determined for the input vector.
摘要翻译：一种用于构建将输入向量映射到多个预定义类之一的分类器的方法，所述方法步骤包括接收一组训练样本作为输入，其中每个训练样本是属于所述预定义类别之一的示例性输入向量学习多个功能，其中每个功能将示例性输入向量映射到数值，并且通过组合为输入向量确定的函数的数字输出来确定输入向量的类。

9. 发明申请

US20130173928A1 CRYPTOGRAPHIC DEVICE WITH RESISTANCE TO DIFFERENTIAL POWER ANALYSIS AND OTHER EXTERNAL MONITORING ATTACKS 有权
标题翻译：具有抵抗差分功率分析和其他外部监测攻击的结构设备
公开(公告)号：US20130173928A1
公开(公告)日：2013-07-04
申请号：US13762703
申请日：2013-02-08
申请人： Paul C. Kocher , Pankaj Rohatgi , Joshua M. Jaffe
发明人： Paul C. Kocher , Pankaj Rohatgi , Joshua M. Jaffe
IPC分类号： G06F12/14
CPC分类号： G06F21/575 , G06F8/71 , G06F9/44505 , G06F12/1408 , G06F21/556 , G06F21/602 , G06F21/755 , G06F21/76 , G06F2212/402 , G06F2221/034 , G06F2221/2107 , G06F2221/2125 , G06F2221/2145 , H04L9/003 , H04L9/0631 , H04L9/085 , H04L9/0861 , H04L9/088 , H04L9/0894 , H04L9/16 , H04L9/3236 , H04L9/3247 , H04L63/0428 , H04L63/0869 , H04L2209/24 , H04L2209/38 , H04L2209/56 , H04L2463/061
摘要： Techniques usable by devices to encrypt and decrypt sensitive data to in a manner that provides security from external monitoring attacks. The encrypting device has access to a base secret cryptographic value (key) that is also known to the decrypting device. The sensitive data are decomposed into segments, and each segment is encrypted with a separate encryption key derived from the base key and a message identifier to create a set of encrypted segments. The encrypting device uses the base secret cryptographic value to create validators that prove that the encrypted segments for this message identifier were created by a device with access to the base key. The decrypting device, upon receiving an encrypted segments and validator(s), uses the validator to verify the message identifier and that the encrypted segment are unmodified, then uses a cryptographic key derived from the base key and message identifier to decrypt the segments.
摘要翻译：技术可以由设备加密和解密敏感数据，以提供安全性从外部监视攻击。加密设备可以访问解密设备也是已知的基本密钥加密值（密钥）。敏感数据被分解为段，并且每个段用来自基本密钥的单独的加密密钥和消息标识符加密，以创建一组加密的段。加密设备使用基本秘密加密值来创建验证器，证明该消息标识符的加密段由具有访问基本密钥的设备创建。解密装置在接收到加密的段和验证器时，使用验证器来验证消息标识符，并且加密段未被修改，然后使用从基本密钥和消息标识符导出的加密密钥来解密段。

10. 发明授权

US08087090B2 Fuzzy multi-level security 有权
标题翻译：模糊多级安全
公开(公告)号：US08087090B2
公开(公告)日：2011-12-27
申请号：US12131206
申请日：2008-06-02
申请人： Pau-Chen Cheng , Shai Halevi , Trent Ray Jaeger , Paul Ashley Karger , Ronald Perez , Pankaj Rohatgi , Angela Marie Schuett , Michael Steiner , Grant M. Wagner
发明人： Pau-Chen Cheng , Shai Halevi , Trent Ray Jaeger , Paul Ashley Karger , Ronald Perez , Pankaj Rohatgi , Angela Marie Schuett , Michael Steiner , Grant M. Wagner
IPC分类号： G06F11/00 , G06F12/14 , G06F12/16 , G06F7/04 , G08B23/00
CPC分类号： G06N7/023 , G06F21/577 , G06F21/604 , G06F21/6218 , H04L63/105
摘要： An access control system and method includes a risk index module which computes a risk index for a dimension contributing to risk. A boundary range defined for a parameter representing each risk index such that the parameter above the range is unacceptable, below the range is acceptable and in the range is acceptable with mitigation measures. A mitigation module determines the mitigation measures which reduce the parameter within the range by mapping the effectiveness of performing the mitigation measures to determine a residual risk after a mitigation measure has been implemented.
摘要翻译：访问控制系统和方法包括风险指数模块，其计算用于风险的维度的风险指数。为表示每个风险指数的参数定义的边界范围，使得高于该范围的参数是不可接受的，低于该范围是可接受的，并且在该范围内可以用缓解措施来接受。缓解模块通过绘制执行缓解措施的有效性来确定缓解措施实施后的剩余风险，确定减少范围内的参数的缓解措施。

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