专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

71. 发明申请

US20110119762A1 METHOD AND APPARATUS FOR DETECTION OF A FAULT ATTACK 有权
标题翻译：用于检测故障攻击的方法和装置
公开(公告)号：US20110119762A1
公开(公告)日：2011-05-19
申请号：US12943478
申请日：2010-11-10
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： G06F21/00
CPC分类号： G06F21/83 , G06F21/52 , G06F21/71 , G06F21/77
摘要： The invention concerns a method of detecting a fault attack including providing a plurality of blinding values; generating a first set of data elements including a first group of data elements and at least one additional data element generated by performing the exclusive OR between at least one data element in the first group and at least one of the blinding values; generating a second set of data elements corresponding to the exclusive OR between each data element of the first set and a selected one of the plurality of blinding values; generating a first signature by performing a commutative operation between each of the data elements of the first set; generating a second signature by performing the commutative operation between each of the data elements of the second set; and comparing the first and second signatures to detect a fault attack.
摘要翻译：本发明涉及一种检测故障攻击的方法，包括提供多个盲目值; 生成包括第一组数据元素的第一组数据元素和通过执行第一组中的至少一个数据元素与至少一个盲目值之间的异或生成的至少一个附加数据元素; 产生与第一组的每个数据元素和多个盲目值中的所选择的一个之间的异或相对应的第二组数据元素; 通过在第一组的每个数据元素之间执行交换操作来产生第一签名; 通过执行第二组的每个数据元素之间的交换操作来产生第二签名; 以及比较第一和第二签名以检测故障攻击。

72. 发明申请

US20110091034A1 Secure Method for Cryptographic Computation and Corresponding Electronic Component 审中-公开
标题翻译：密码计算的安全方法和相应的电子元件
公开(公告)号：US20110091034A1
公开(公告)日：2011-04-21
申请号：US12907755
申请日：2010-10-19
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： H04L9/28
CPC分类号： H04L9/0618 , H04L9/003 , H04L9/0643 , H04L2209/127
摘要： The secure method for cryptographic computation comprises processing of an input datum (D) by a cryptographic computation tool involving at least one encryption key (K) and at least one generated item of secret information, so as to provide an output datum (DC). The generation of the said at least one item of secret information (ST) comprises processing of the said input datum by at least one operator (OPS) having at least one secret characteristic.
摘要翻译：用于加密计算的安全方法包括通过涉及至少一个加密密钥（K）和至少一个生成的秘密信息项的加密计算工具来处理输入数据（D），以便提供输出数据（DC）。所述至少一个秘密信息项（ST）的生成包括由具有至少一个秘密特征的至少一个算子（OPS）处理所述输入数据。

73. 发明申请

US20100070779A1 INTEGRITY OF CIPHERED DATA 有权
标题翻译：加密数据的完整性
公开(公告)号：US20100070779A1
公开(公告)日：2010-03-18
申请号：US12547357
申请日：2009-08-25
申请人： Albert Martinez , Yannick Teglia
发明人： Albert Martinez , Yannick Teglia
IPC分类号： G06F12/14
CPC分类号： H04L9/3249 , G09C1/00 , H04L9/004 , H04L9/0631
摘要： A method for protecting the integrity of data ciphered by a ciphering algorithm providing at least an intermediary state meant to be identical in ciphering and in deciphering, this intermediary state being sampled during the ciphering to generate a signature.
摘要翻译：一种用于保护通过加密算法加密的数据的完整性的方法，所述加密算法至少提供加密和解密中相同的中间状态，该中间状态在加密期间被采样以生成签名。

74. 发明授权

US08666067B2 Cryptographic countermeasure method by deriving a secret data 有权
标题翻译：通过导出秘密数据的加密对策方法
公开(公告)号：US08666067B2
公开(公告)日：2014-03-04
申请号：US13286962
申请日：2011-11-01
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： H04L29/06
CPC分类号： H04L9/06 , H04L9/002 , H04L9/065 , H04L9/30
摘要： A method of protecting a circuit from attacks aiming to discover secret data used during the execution of a cryptographic calculation by the circuit, by, executing a transformation calculation implementing a bijective transformation function, receiving as input a secret data, and supplying a transformed data, executing a cryptographic calculation receiving as input a data to process and the transformed data, and executing an inverse transformation calculation receiving as input the result of the cryptographic calculation, and supplying a result that the cryptographic calculation would have supplied if it had been applied to the data to process and directly to the secret data, the data to process belong to a stream of a multiplicity of data, the transformed data being supplied as input to the cryptographic calculation for all the data of the stream.
摘要翻译：一种保护电路免受攻击的方法，用于发现由电路执行密码计算期间使用的秘密数据，通过执行实现双射变换功能的变换计算，接收作为输入的秘密数据并提供经变换的数据，执行作为输入接收要处理的数据的加密计算和经变换的数据，并且执行接收作为输入的加密计算的结果的逆变换计算，并且将如果已经应用于加密计算的结果提供给要处理的数据并直接传送到秘密数据，要处理的数据属于多个数据流，转换的数据作为流的所有数据的密码计算的输入提供。

75. 发明申请

US20110126085A1 METHOD OF SIGNATURE VERIFICATION 审中-公开
标题翻译：签名验证方法
公开(公告)号：US20110126085A1
公开(公告)日：2011-05-26
申请号：US12943471
申请日：2010-11-10
申请人： Yannick Teglia , William Orlando
发明人： Yannick Teglia , William Orlando
IPC分类号： H03M13/09 , G06F11/07
CPC分类号： G06F21/64 , G06F21/52
摘要： A method of detecting a fault including generating at least one blinded data value based on at least one input value and at least one blinding parameter selected from a plurality of blinding parameters generating a first signature based on said at least one blinded data value; selecting, from a memory storing a plurality of reference signatures, one or more reference signatures and comparing said first signature with said one or more reference signatures in order to detect a fault.
摘要翻译：一种检测故障的方法，包括基于至少一个输入值生成至少一个盲目数据值，以及至少一个盲目参数，其从根据所述至少一个盲目数据值生成第一签名的多个盲目参数中选出; 从存储多个参考签名的存储器中选择一个或多个参考签名，并将所述第一签名与所述一个或多个参考签名进行比较，以便检测故障。

76. 发明申请

US20100054460A1 PROTECTION OF A CIPHERING ALGORITHM 有权
标题翻译：保护算法
公开(公告)号：US20100054460A1
公开(公告)日：2010-03-04
申请号：US12548119
申请日：2009-08-26
申请人： Albert Martinez , Yannick Teglia
发明人： Albert Martinez , Yannick Teglia
IPC分类号： H04L9/28
CPC分类号： H04L9/0618 , H04L9/004
摘要： A method for protecting the execution of a ciphering or deciphering algorithm against the introduction of a disturbance in a step implementing one or several first values obtained from second values supposed to be invariant and stored in a non-volatile memory in which, during an execution of the algorithm: a current signature of the first values is calculated; this current signature is combined with a reference signature previously stored in a non-volatile memory; and the result of this combination is taken into account at least in the step of the algorithm implementing said first values.
摘要翻译：一种用于保护加密或解密算法的执行的方法，以防止在执行从应用不变而被存储在非易失性存储器中的第二值获得的一个或多个第一值的步骤中引入干扰，其中在执行算法：计算第一个值的当前签名; 该当前签名与先前存储在非易失性存储器中的参考签名组合; 并且至少在实现所述第一值的算法的步骤中考虑到该组合的结果。

77. 发明授权

US09165165B2 Protection of a non-volatile memory by change of instructions 有权
标题翻译：通过改变指令保护非易失性存储器
公开(公告)号：US09165165B2
公开(公告)日：2015-10-20
申请号：US13458138
申请日：2012-04-27
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： G06F21/10 , H04N21/4405 , G06F21/79 , G06F21/56 , G06F12/14
CPC分类号： G06F21/6218 , G06F12/1425 , G06F12/1483 , G06F21/561 , G06F21/566 , G06F21/79 , G06F2212/1052 , G06F2221/034
摘要： A method for protecting a volatile memory against a virus, wherein: rights of writing, reading, or execution are assigned to certain areas of the memory; and a first list of opcodes authorized or forbidden as a content of the areas is associated with each of these areas.
摘要翻译：一种用于保护针对病毒的易失性存储器的方法，其中：写入，读取或执行的权限被分配给存储器的某些区域; 并且作为该区域的内容的授权或禁止的操作码的第一列表与这些区域中的每一个相关联。

78. 发明授权

US09014368B2 Protection of a modular exponentiation calculation by addition of a random quantity 有权
标题翻译：通过添加随机数保护模幂运算
公开(公告)号：US09014368B2
公开(公告)日：2015-04-21
申请号：US13542829
申请日：2012-07-06
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： G06F21/00 , H04L9/00
CPC分类号： H04L9/002 , G06F7/723 , G06F2207/7233 , G06F2207/7238
摘要： A method for protecting a calculation, by an electronic circuit, of a modular exponentiation of a digital quantity, wherein: a first variable is initialized with a random quantity increased by once unit; a second variable is initialized with the product of the digital quantity by the random quantity; a third variable is initialized with the digital quantity; iteratively for all the bits at 1 of an exponent of the modular exponentiation, the first variable is updated by: a) multiplying its content by that of the third variable; and b) subtracting thereto the content of the second variable increased by the random quantity; and once all the bits of the exponent have been processed, the content of the first variable is decreased by the random quantity to provide the result of the modular exponentiation.
摘要翻译：一种用于保护由电子电路计算数字量的模数乘法的方法，其中：第一变量以随机数增加一次单位来初始化; 第二个变量用数字量乘以随机数的乘积初始化; 第三个变量用数字量初始化; 迭代地对于在幂幂的指数的1处的所有比特，第一个变量通过以下方式更新：a）将其内容乘以第三个变量的内容; b）减去所述随机数增加的第二变量的内容; 并且一旦指数的所有位都被处理，则第一变量的内容减少随机数量以提供模幂运算的结果。

79. 发明申请

US20130016827A1 PROTECTION OF A CALCULATION ON AN ELLIPTIC CURVE 有权
标题翻译：保护电动曲线的计算
公开(公告)号：US20130016827A1
公开(公告)日：2013-01-17
申请号：US13543053
申请日：2012-07-06
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： G06F21/24
CPC分类号： G06F7/725 , G06F2207/7233 , G06F2207/7238
摘要： A method for protecting a calculation on an elliptic curve, by an electronic circuit, wherein a point of an elliptic curve is multiplied by a digital quantity, comprising the steps of: initializing a first variable with a value which is a function of a random quantity; initializing at least a second variable with a value which is a function of the digital quantity; at least for a bit at 1 of the digital quantity, the first variable is updated by: a) subtracting a multiple of the random quantity; and b) adding the content of the second variable; and once all the bits of the digital quantity have been processed, subtracting from the first variable the product of the point to by the random quantity to provide the result.
摘要翻译：一种用于通过电子电路保护椭圆曲线上的计算的方法，其中椭圆曲线的点乘以数字量，包括以下步骤：用作为随机数的函数的值初始化第一变量 ; 使用数字量的函数的值初始化至少第二变量; 至少对于数字量的1处的一位，第一变量通过以下来更新：a）减去随机数的倍数; 和b）添加第二变量的内容; 并且一旦处理了数字量的所有位，从第一变量减去点的乘积乘以随机数来提供结果。

80. 发明申请

US20110119532A1 METHOD OF DETECTING A FAULT ATTACK 有权
标题翻译：检测故障攻击的方法
公开(公告)号：US20110119532A1
公开(公告)日：2011-05-19
申请号：US12943460
申请日：2010-11-10
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： G06F11/34
CPC分类号： H04L9/06 , H04L9/004 , H04L2209/04
摘要： A method of detecting a fault attack including generating a first signature of a first group of data values by performing a single commutative non-Boolean arithmetic operation between all the data values of the first group; generating a second set of data values by performing a permutation of the first set of data values; generating a second signature of the second group of data values by performing said single commutative non-Boolean arithmetic operation between all the data values of the second group; and comparing the first and second signatures to detect a fault attack.
摘要翻译：一种检测故障攻击的方法，包括通过在所述第一组的所有数据值之间执行单个交换非布尔算术运算来生成第一组数据值的第一签名; 通过执行第一组数据值的置换来产生第二组数据值; 通过在所述第二组的所有数据值之间执行所述单次交换非布尔运算来产生所述第二组数据值的第二签名; 以及比较第一和第二签名以检测故障攻击。

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