Method for Determining Functions Applied to Signals
    1.
    发明申请
    Method for Determining Functions Applied to Signals 有权
    确定应用于信号的功能的方法

    公开(公告)号:US20110135096A1

    公开(公告)日:2011-06-09

    申请号:US12631974

    申请日:2009-12-07

    IPC分类号: H04L9/30 H04L9/08

    CPC分类号: H04L9/3093 H04L9/008

    摘要: A system and a method for determining a result of applying a function to signals is disclosed. The function is a polynomial function including monomials, in which the first signal in a first power forming a first part of the monomial and the second signal in a second power forming a second part of the monomial, wherein the first part of the monomial encrypted with a key is a first encrypted signal, and the second part of the monomial encrypted with the key is a second encrypted signal, comprising the steps of transmitting a first input signal encrypted with a second public key to the second processor, wherein the first input signal includes the first encrypted signal, transmitting a second input signal encrypted with a first public key to the first processor, wherein the second input signal includes a product of the first encrypted signal and the second encrypted signal.

    摘要翻译: 公开了一种用于确定将功能应用于信号的结果的系统和方法。 该函数是包括单项式的多项式函数,其中形成单项式的第一部分的第一功率中的第一信号和形成单项式的第二部分的第二功率中的第二信号,其中单项的第一部分用 密钥是第一加密信号,并且用密钥加密的单项项的第二部分是第二加密信号,包括以下步骤:向第二处理器发送用第二公钥加密的第一输入信号,其中第一输入信号 将第一加密信号包括在第一处理器中传送用第一公开密钥加密的第二输入信号,其中第二输入信号包括第一加密信号和第二加密信号的乘积。

    Secure Similarity Verification Between Encrypted Signals
    2.
    发明申请
    Secure Similarity Verification Between Encrypted Signals 有权
    加密信号之间的安全相似性验证

    公开(公告)号:US20100246812A1

    公开(公告)日:2010-09-30

    申请号:US12413990

    申请日:2009-03-30

    IPC分类号: H04L9/28

    摘要: A method for verifying a similarity between a first signal and a second signal is described. The first and the second signals are encrypted homomorphically using a key. First, we acquire a set of error patterns determined by a similarity constraint. Then, each error pattern is homomorphically encrypted using the key and presented to a verifier in the setup phase. The verifier declares the first signal similar to the second signal, if any error pattern in the set of error patterns satisfies a homomorphic relationship between the first encrypted signal and the second encrypted signal.

    摘要翻译: 描述了用于验证第一信号和第二信号之间的相似性的方法。 第一和第二信号使用密钥同态加密。 首先,我们获取由相似性约束确定的一组错误模式。 然后,使用密钥对每个错误模式进行同态加密,并在设置阶段提供给验证者。 验证者声明类似于第二信号的第一信号,如果错误模式集合中的任何错误模式满足第一加密信号和第二加密信号之间的同态关系。

    Secure similarity verification between homomorphically encrypted signals
    3.
    发明授权
    Secure similarity verification between homomorphically encrypted signals 有权
    同态加密信号之间的安全相似性验证

    公开(公告)号:US08249250B2

    公开(公告)日:2012-08-21

    申请号:US12413990

    申请日:2009-03-30

    IPC分类号: H04L9/00 G06F21/00

    摘要: A method for verifying a similarity between a first signal and a second signal is described. The first and the second signals are encrypted homomorphically using a key. First, we acquire a set of error patterns determined by a similarity constraint. Then, each error pattern is homomorphically encrypted using the key and presented to a verifier in the setup phase. The verifier declares the first signal similar to the second signal, if any error pattern in the set of error patterns satisfies a homomorphic relationship between the first encrypted signal and the second encrypted signal.

    摘要翻译: 描述了用于验证第一信号和第二信号之间的相似性的方法。 第一和第二信号使用密钥同态加密。 首先,我们获取由相似性约束确定的一组错误模式。 然后,使用密钥对每个错误模式进行同态加密,并在设置阶段提供给验证者。 验证者声明类似于第二信号的第一信号,如果错误模式集合中的任何错误模式满足第一加密信号和第二加密信号之间的同态关系。

    Method for Determining Functions Applied to Signals
    4.
    发明申请
    Method for Determining Functions Applied to Signals 有权
    确定应用于信号的功能的方法

    公开(公告)号:US20110176672A1

    公开(公告)日:2011-07-21

    申请号:US12631939

    申请日:2009-12-07

    IPC分类号: H04L9/28

    CPC分类号: H04L9/008

    摘要: Embodiments of the invention discloses a system and a method for determining a result of applying a function to signals including a first signal and a second signal, wherein the function is a polynomial function of the signals such that a monomial in the function includes the first signal having a power less than or equal to a first maximum power, and wherein the first signal is partitioned into a first subsignal and a second subsignal, comprising a processor for performing steps of the method, comprising the steps of acquiring a second signal and a second subsignal; acquiring a set of encrypted powers of the first subsignal, wherein the set of encrypted powers of the first subsignal includes homomorphically encrypted powers of the first subsignal; and determining an encrypted result of the function based on a second subsignal, the set of encrypted powers of the first subsignal, and the second signal.

    摘要翻译: 本发明的实施例公开了一种用于确定对包括第一信号和第二信号的信号应用功能的结果的系统和方法,其中所述函数是所述信号的多项式函数,使得所述函数中的单项包括所述第一信号 具有小于或等于第一最大功率的功率,并且其中所述第一信号被划分为第一子信号和第二子信号,包括用于执行所述方法的步骤的处理器,包括以下步骤:获取第二信号和第二信号 次信号 获取所述第一子信号的一组加密功率,其中所述第一子信号的加密功率集合包括所述第一子信号的同态加密功率; 以及基于第二子信号确定所述函数的加密结果,所述第一子信号的加密功率集合和所述第二信号。

    Method for determining functions applied to signals
    5.
    发明授权
    Method for determining functions applied to signals 有权
    用于确定应用于信号的功能的方法

    公开(公告)号:US08416955B2

    公开(公告)日:2013-04-09

    申请号:US12631974

    申请日:2009-12-07

    IPC分类号: H04L9/08

    CPC分类号: H04L9/3093 H04L9/008

    摘要: A system and a method for determining a result of applying a function to signals is disclosed. The function is a polynomial function including monomials, in which the first signal in a first power forming a first part of the monomial and the second signal in a second power forming a second part of the monomial, wherein the first part of the monomial encrypted with a key is a first encrypted signal, and the second part of the monomial encrypted with the key is a second encrypted signal, comprising the steps of transmitting a first input signal encrypted with a second public key to the second processor, wherein the first input signal includes the first encrypted signal, transmitting a second input signal encrypted with a first public key to the first processor, wherein the second input signal includes a product of the first encrypted signal and the second encrypted signal.

    摘要翻译: 公开了一种用于确定将功能应用于信号的结果的系统和方法。 该函数是包括单项式的多项式函数,其中形成单项式的第一部分的第一功率中的第一信号和形成单项式的第二部分的第二功率中的第二信号,其中单项的第一部分用 密钥是第一加密信号,并且用密钥加密的单项项的第二部分是第二加密信号,包括以下步骤:向第二处理器发送用第二公钥加密的第一输入信号,其中第一输入信号 将第一加密信号包括在第一处理器中传送用第一公开密钥加密的第二输入信号,其中第二输入信号包括第一加密信号和第二加密信号的乘积。

    Method for determining functions applied to signals
    6.
    发明授权
    Method for determining functions applied to signals 有权
    用于确定应用于信号的功能的方法

    公开(公告)号:US08311213B2

    公开(公告)日:2012-11-13

    申请号:US12631939

    申请日:2009-12-07

    IPC分类号: H04L29/00

    CPC分类号: H04L9/008

    摘要: Embodiments of the invention discloses a system and a method for determining a result of applying a function to signals including a first signal and a second signal, wherein the function is a polynomial function of the signals such that a monomial in the function includes the first signal having a power less than or equal to a first maximum power, and wherein the first signal is partitioned into a first subsignal and a second subsignal, comprising a processor for performing steps of the method, comprising the steps of acquiring a second signal and a second subsignal; acquiring a set of encrypted powers of the first subsignal, wherein the set of encrypted powers of the first subsignal includes homomorphically encrypted powers of the first subsignal; and determining an encrypted result of the function based on a second subsignal, the set of encrypted powers of the first subsignal, and the second signal.

    摘要翻译: 本发明的实施例公开了一种用于确定对包括第一信号和第二信号的信号应用功能的结果的系统和方法,其中所述函数是所述信号的多项式函数,使得所述函数中的单项包括所述第一信号 具有小于或等于第一最大功率的功率,并且其中所述第一信号被划分为第一子信号和第二子信号,包括用于执行所述方法的步骤的处理器,包括以下步骤:获取第二信号和第二信号 次信号 获取所述第一子信号的一组加密功率,其中所述第一子信号的加密功率集合包括所述第一子信号的同态加密功率; 以及基于第二子信号确定所述函数的加密结果,所述第一子信号的加密功率集合和所述第二信号。

    Method and system for binarization of biometric data
    7.
    发明授权
    Method and system for binarization of biometric data 有权
    生物特征数据二值化的方法和系统

    公开(公告)号:US08634606B2

    公开(公告)日:2014-01-21

    申请号:US12688089

    申请日:2010-01-15

    IPC分类号: G06K9/00

    摘要: Embodiments of the invention disclose a system and a method for transforming a biometric of a user to a binary feature vector suitable for user authentication, comprising steps of: partitioning the biometric into a set of regions, wherein each region is a contiguous region confining a part of the biometric; determining, for each region, biometric parameters; applying, to each region, binary logical conditions to produce at least one bit of the binary feature vector, wherein the applying is performed by a processer; and outputting the binary feature vector.

    摘要翻译: 本发明的实施例公开了一种用于将用户的生物特征变换成适合于用户认证的二进制特征向量的系统和方法,包括以下步骤:将所述生物特征划分为一组区域,其中每个区域是限制部分的连续区域 的生物识别 为每个区域确定生物特征参数; 向每个区域应用二进制逻辑条件以产生所述二进制特征向量的至少一个位,其中所述应用由处理器执行; 并输出二进制特征向量。

    Method for embedding messages into documents using distance fields
    8.
    发明授权
    Method for embedding messages into documents using distance fields 失效
    使用距离字段将消息嵌入到文档中的方法

    公开(公告)号:US08427509B2

    公开(公告)日:2013-04-23

    申请号:US12347277

    申请日:2008-12-31

    IPC分类号: G09G5/00

    摘要: A method embeds a message into a document containing a set of glyphs. Individual glyphs in the document, groups of glyphs in the document, or the entire document are represented using a distance field that includes distance values from the shapes of interest. Each symbol of the message is represented as modifications of a subset of the distance values in the distance field. This subset of the distance values in the distance field is modified according to modification to produce a modified glyph in a modified document, wherein the symbol in the message is embedded in the modified glyph.

    摘要翻译: 一种方法将消息嵌入到包含一组字形的文档中。 文档中的单个字形,文档中的字形组或整个文档使用包括来自感兴趣的形状的距离值的距离字段来表示。 消息的每个符号被表示为距离字段中的距离值的子集的修改。 根据修改修改距离字段中的距离值的该子集,以在经修改的文档中产生经修改的字形,其中消息中的符号嵌入在修改的字形中。

    Signal Coding Using Spatial Statistical Dependencies
    9.
    发明申请
    Signal Coding Using Spatial Statistical Dependencies 审中-公开
    使用空间统计依赖的信号编码

    公开(公告)号:US20120140829A1

    公开(公告)日:2012-06-07

    申请号:US12960974

    申请日:2010-12-06

    IPC分类号: H04N7/30

    摘要: An encoded signal is decoded based on statistical dependencies between the encoded signal and the side information. A statistical reliability of each transform block of the side information is determined as a function of absolute values of transform coefficients of a transform block. The transform blocks of the side information are grouped into a set of groups based on the statistical reliability of each transform block. The decoding is performed using a statistical dependency between a transform block of the encoded signal and a group including a corresponding transform block of the side information.

    摘要翻译: 编码信号根据编码信号与侧信息之间的统计依赖关系进行解码。 侧信息的每个变换块的统计可靠性被确定为变换块的变换系数的绝对值的函数。 基于每个变换块的统计可靠性,侧信息的变换块被分组成一组组。 使用编码信号的变换块和包括副信息的相应变换块的组之间的统计依赖性来执行解码。

    Method for Embedding Messages into Documents Using Distance Fields
    10.
    发明申请
    Method for Embedding Messages into Documents Using Distance Fields 失效
    使用距离字段将消息嵌入文档的方法

    公开(公告)号:US20100164984A1

    公开(公告)日:2010-07-01

    申请号:US12347277

    申请日:2008-12-31

    IPC分类号: G09G5/00 H04N1/40 G06F17/30

    摘要: A method embeds a message into a document containing a set of glyphs. Individual glyphs in the document, groups of glyphs in the document, or the entire document are represented using a distance field that includes distance values from the shapes of interest. Each symbol of the message is represented as modifications of a subset of the distance values in the distance field. This subset of the distance values in the distance field is modified according to modification to produce a modified glyph in a modified document, wherein the symbol in the message is embedded in the modified glyph.

    摘要翻译: 一种方法将消息嵌入到包含一组字形的文档中。 文档中的单个字形,文档中的字形组或整个文档使用包括来自感兴趣的形状的距离值的距离字段来表示。 消息的每个符号被表示为距离字段中的距离值的子集的修改。 根据修改修改距离字段中的距离值的该子集,以在经修改的文档中产生经修改的字形,其中消息中的符号嵌入在修改的字形中。