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公开(公告)号：US10097342B2
公开(公告)日：2018-10-09
申请号：US14814007
申请日：2015-07-30
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge , Philippe Teuwen
Abstract: A method for a keyed cryptographic operation by a cryptographic system mapping an input message to an output message, including: receiving input data for the keyed cryptographic operation; calculating a first mask value based upon the input data; and applying the first mask value to a first intermediate value of the keyed cryptographic operation.
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公开(公告)号：US09954676B2
公开(公告)日：2018-04-24
申请号：US15407661
申请日：2017-01-17
Applicant: NXP B.V.
Inventor： Wil Michiels
CPC classification number: H04L9/0625 , G09C1/00 , H04L9/002 , H04L9/0618 , H04L9/14 , H04L63/1466 , H04L2209/046 , H04L2209/16 , H04L2209/24
Abstract: A method of performing a keyed cryptographic operation mapping an input message to an output message, wherein the cryptographic operation includes at least one round including a non-linear mapping function configured to map input data to output data, including: splitting the input data into n split input data, wherein the splitting of the input data varies based upon the value of the input message; inputting each split input data into the non-linear mapping function to obtain n split output data, wherein a combination the n split output data indicates an output data, wherein the output data results when the input data is input to the non-linear mapping function.
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公开(公告)号：US09838198B2
公开(公告)日：2017-12-05
申请号：US14219734
申请日：2014-03-19
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge
CPC classification number: H04L9/002 , G09C1/00 , H04L9/0618 , H04L63/1466 , H04L2209/043 , H04L2209/16 , H04L2209/24
Abstract: A method of performing a keyed cryptographic operation mapping an input message to an output message, wherein the input message comprises m input data and the output message comprises m output data and wherein the cryptographic operation includes at least one round and the cryptographic operation specifies a substitution box for mapping input data into output data, including: transforming each of the m input data into n output data using n split substitution boxes, wherein the n split substitution boxes sum to the specified substitution box; and mixing and combining the m×n output data.
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公开(公告)号：US20170033921A1
公开(公告)日：2017-02-02
申请号：US14814007
申请日：2015-07-30
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge , Philippe Teuwen
CPC classification number: H04L9/002 , G06F21/105 , G06F21/14 , G06F21/72 , G06F2221/0748 , H04L9/0625 , H04L9/0631 , H04L2209/046 , H04L2209/16
Abstract: A method for a keyed cryptographic operation by a cryptographic system mapping an input message to an output message, including: receiving input data for the keyed cryptographic operation; calculating a first mask value based upon the input data; and applying the first mask value to a first intermediate value of the keyed cryptographic operation.
Abstract translation: 一种用于通过将输入消息映射到输出消息的加密系统进行密钥加密操作的方法，包括：接收密钥加密操作的输入数据; 基于输入数据计算第一掩模值; 以及将所述第一掩码值应用于所述密钥密码操作的第一中间值。
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公开(公告)号：US20160350520A1
公开(公告)日：2016-12-01
申请号：US14725801
申请日：2015-05-29
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge , Philippe Teuwen
CPC classification number: G06F21/14 , G06F21/72 , G06F2221/0748 , H04L9/002 , H04L9/06 , H04L9/0631 , H04L2209/08 , H04L2209/16
Abstract: A non-transitory machine-readable storage medium encoded with instructions for execution by a keyed cryptographic operation by a cryptographic system mapping an input message to an output message, including: instructions for receiving input data for a round of the keyed cryptographic operation; instructions for determining the order of computing output portions for the round of the cryptographic function based upon portions of the input data; and instructions for computing the portions of the output data in the determined order based upon the input data.
Abstract translation: 一种非暂时的机器可读存储介质，其编码有用于通过将输入消息映射到输出消息的加密系统通过密钥加密操作执行的指令，包括：用于接收用于一轮密钥加密操作的输入数据的指令; 用于基于所述输入数据的部分来确定所述加密函数的所述一轮计算输出部分的顺序的指令; 以及用于基于输入数据以确定的顺序计算输出数据的部分的指令。
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Patent Agency Ranking
公开(公告)号：US20160328543A1
公开(公告)日：2016-11-10
申请号：US14815540
申请日：2015-07-31
Applicant: NXP B.V.
Inventor： Jan Hoogerbrugge , Wil Michiels
CPC classification number: G06F21/14 , G06F21/629 , G06F2221/0748 , H04L9/302 , H04L9/3066 , H04L2209/046
Abstract: A method of obscuring the input and output of a modular exponentiation function, including: receiving modular exponentiation parameters including an exponent e having N bits and a modulus m; generating randomly a pre-multiplier; calculating a post-multiplier based upon the pre-multiplier, exponent e, and modulus m; multiplying an input to the modular exponentiation function by the pre-multiplier; performing the modular exponentiation function; and multiplying the output of the modular exponentiation function by the post-multiplier, wherein multiplying an input to the modular exponentiation function by the pre-multiplier, performing the modular exponentiation function, and multiplying the output of the modular exponentiation function by the post-multiplier are split variable operations.
Abstract translation: 一种模糊模幂函数的输入和输出的方法，包括：接收包括具有N位和模数m的指数e的模幂运算参数; 随机生成预乘数; 基于预乘数，指数e和模数m计算后乘数; 通过预乘数将输入与模幂运算函数相乘; 执行模幂运算; 并将乘幂函数乘以后乘法器，其中通过预乘数将输入与模幂运算函数相乘，执行模幂运算函数，并将模幂运算函数的输出乘以后乘法器 是分割变量操作。
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47.发明授权Method for including an implicit integrity or authenticity check into a white-box implementation 有权将隐含完整性或真实性检查包含在白盒实现中的方法公开(公告)号：US09485226B2
公开(公告)日：2016-11-01
申请号：US14263429
申请日：2014-04-28
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge
CPC classification number: H04L63/0428 , G06F21/51 , H04L63/123
Abstract: A method of performing a cryptographic operation using a cryptographic implementation in a cryptographic system, including: receiving, by the cryptographic system, an identifying string value; receiving, by the cryptographic system, an input message; performing, by the cryptographic system, a keyed cryptographic operation mapping the input message into an output message wherein the output message is the correct result when the identifying string value equals a binding string value.
Abstract translation: 一种使用加密系统中的密码实现进行加密操作的方法，包括：密码系统接收识别字符串值; 通过加密系统接收输入消息; 通过加密系统执行将输入消息映射到输出消息中的密钥加密操作，其中当识别字符串值等于绑定字符串值时，输出消息是正确的结果。
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公开(公告)号：US09455833B2
公开(公告)日：2016-09-27
申请号：US14263372
申请日：2014-04-28
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge
CPC classification number: H04L9/3231 , G06F21/14 , H04L9/0625 , H04L9/0631 , H04L2209/043 , H04L2209/16
Abstract: A method of determining a fingerprint identification of a cryptographic implementation in a cryptographic system, including: receiving, by the cryptographic system, an input message that is a fingerprint identification message; performing, by the cryptographic system, a keyed cryptographic operation mapping the fingerprint identification message into an output message that includes a fingerprint identification; and outputting the output message.
Abstract translation: 一种在密码系统中确定密码实现的指纹识别的方法，包括：密码系统接收作为指纹识别消息的输入消息; 通过加密系统执行将指纹识别消息映射到包括指纹识别的输出消息中的密钥加密操作; 并输出输出消息。
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49.发明申请公开(公告)号：US20160171246A1
公开(公告)日：2016-06-16
申请号：US14572356
申请日：2014-12-16
Applicant: NXP B.V.
Inventor： Jan Hoogerbrugge , Wil Michiels
CPC classification number: G06F21/64 , G06F8/70 , G06F21/14 , G06F21/54 , G06F2221/2123
Abstract: A method of obscuring software code including a plurality of basic blocks, including: calculating, by a processor, a checksum value of the current basic block and a pointer to the end of the current basic block; determining a preceding basic block for the current basic block; inserting the checksum value for the current basic block into the preceding basic block; and inserting instructions into the preceding basic block to determine a pointer to the beginning of the current basic block based upon the checksum value of the current basic block.
Abstract translation: 一种模糊包括多个基本块的软件代码的方法，包括：由处理器计算当前基本块的校验和值和指向当前基本块的结束的指针; 确定当前基本块的前一个基本块; 将当前基本块的校验和值插入到前一个基本块中; 以及基于当前基本块的校验和值，将指令插入到前述基本块中以确定指向当前基本块的开头的指针。
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公开(公告)号：US20160078250A1
公开(公告)日：2016-03-17
申请号：US14484925
申请日：2014-09-12
Applicant: NXP B.V.
Inventor： Wil Michiels , Jan Hoogerbrugge
CPC classification number: G06F21/72 , G06F21/53 , G06F2221/034 , H04L9/0631 , H04L2209/16
Abstract: A non-transitory machine-readable storage medium encoded with instructions for execution by a keyed cryptographic operation by a cryptographic system mapping an input message to an output message, wherein the cryptographic operation includes at least one round including a non-linear mapping function configured to map input data to output data, including: instructions for determining that the input data has a diversification number less than a diversification level threshold number; instructions for remapping the input data to a remapped input data, wherein the remapped input data corresponds to an input data having a diversification number greater than or equal to the diversification threshold value, and instructions for inputting the remapped input data into the non-linear mapping function to obtain output data.
Abstract translation: 一种非暂时的机器可读存储介质，其编码有用于通过将输入消息映射到输出消息的加密系统通过密钥加密操作执行的指令，其中所述密码操作包括至少一个循环，所述至少一个循环包括非线性映射函数， 将输入数据映射到输出数据，包括：用于确定输入数据具有小于多样化级别阈值数目的多样化数量的指令; 用于将输入数据重新映射到重新映射的输入数据的指令，其中重新映射的输入数据对应于具有大于或等于多样化阈值的多样化数量的输入数据，以及用于将重映射的输入数据输入到非线性映射中的指令 功能来获取输出数据。
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