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51. 发明授权

US08135129B2 Protection of a modular exponentiation calculation performed by an integrated circuit 有权
标题翻译：保护集成电路执行的模幂运算
公开(公告)号：US08135129B2
公开(公告)日：2012-03-13
申请号：US11917347
申请日：2006-06-14
申请人： Yannick Teglia , Pierre-Yvan Liardet , Alain Pomet
发明人： Yannick Teglia , Pierre-Yvan Liardet , Alain Pomet
IPC分类号： H04L9/28 , G06F12/14 , H04L9/32
CPC分类号： G06F7/723 , G06F2207/7252 , H04L9/003
摘要： A method and a circuit for protecting a numerical quantity contained in an integrated circuit on a first number of bits, in a modular exponentiation computing of a data by the numerical quantity, including: selecting at least one second number included between the unit and said first number minus two; dividing the numerical quantity into at least two parts, a first part including, from the bit of rank null, a number of bits equal to the second number, a second part including the remaining bits; for each part of the quantity, computing a first modular exponentiation of said data by the part concerned and a second modular exponentiation of the result of the first by the FIG. 2 exponentiated to the power of the rank of the first bit of the part concerned; and computing the product of the results of the first and second modular exponentiations.
摘要翻译：一种方法和电路，用于通过所述数字量对数据的模幂运算中的第一位数保护包含在集成电路中的数值，包括：选择包括在所述单元和所述第一位之间的至少一个第二数字数减二; 将所述数值分为至少两部分，第一部分包括从所述位零位的比特数等于所述第二数目的第二部分，包括剩余比特的第二部分; 对于数量的每个部分，通过所涉及的部分计算所述数据的第一模幂运算，并且通过图1计算第一次的结果的第二模幂运算。 2指数与有关部分的第一位的等级的权力; 并计算第一和第二模幂指数的结果的乘积。

52. 发明申请

US20110222684A1 PROTECTION OF REGISTERS AGAINST UNILATERAL DISTURBANCES 有权
标题翻译：保护防止非法作战的登记
公开(公告)号：US20110222684A1
公开(公告)日：2011-09-15
申请号：US13030317
申请日：2011-02-18
申请人： Pierre-Yvan Liardet , Yannick Teglia , Jérôme Tournemille
发明人： Pierre-Yvan Liardet , Yannick Teglia , Jérôme Tournemille
IPC分类号： H04L9/28
CPC分类号： G06F21/75 , G06F21/72 , G06F2221/2105 , H04L9/004
摘要： A method for protecting a key intended to be used by an electronic circuit in an encryption or decryption algorithm, including the steps of: submitting the key to a first function taking a selection value into account; storing all or part of the result of this function in at least two registers; when the key is called by the algorithm, reading the contents of said registers and submitting them to a second function taking into account all or part of the bits of the registers; and providing the result of the combination as an input for the algorithm, the second function being such that the provided result corresponds to the key.
摘要翻译：一种用于保护加密或解密算法中由电子电路使用的密钥的方法，包括以下步骤：将密钥提交给考虑到选择值的第一功能; 将该功能的全部或部分结果存储在至少两个寄存器中; 当通过算法调用密钥时，读取所述寄存器的内容并将其提交给考虑了寄存器的全部或部分位的第二功能; 以及将所述组合的结果提供给所述算法的输入，所述第二功能使得所提供的结果对应于所述密钥。

53. 发明授权

US07885408B2 Protection of several identical calculations 有权
标题翻译：保护几个相同的计算
公开(公告)号：US07885408B2
公开(公告)日：2011-02-08
申请号：US10903525
申请日：2004-07-30
申请人： Yannick Teglia , Pierre-Yvan Liardet
发明人： Yannick Teglia , Pierre-Yvan Liardet
IPC分类号： H04K1/02 , H04K3/00 , G06F12/14
CPC分类号： H04L9/003 , H04L9/302 , H04L2209/046 , H04L2209/08
摘要： A method for masking several identical functional processes manipulating digital data, including dividing the functional processes into steps at the end of each of which the process can be interrupted with the storage of at least one intermediary result, and successively executing the steps of at least two processes and selecting, at each step end, the process of the next step according to the result of a non-deterministic drawing of a number.
摘要翻译：一种用于屏蔽操纵数字数据的几个相同的功能过程的方法，包括将功能过程划分成每个结尾处的步骤，其中过程可以通过存储至少一个中间结果而被中断，并且连续执行至少两个步骤根据数字的非确定性绘制的结果在每个步骤结束处理和选择下一步骤的处理。

54. 发明授权

US07827222B2 Checking of the skew constancy of a bit flow 有权
标题翻译：检查位流的偏斜常数
公开(公告)号：US07827222B2
公开(公告)日：2010-11-02
申请号：US11166564
申请日：2005-06-24
申请人： Pierre-Yvan Liardet , Yannick Teglia
发明人： Pierre-Yvan Liardet , Yannick Teglia
IPC分类号： G06F7/58 , G06F7/00
CPC分类号： G06F7/58 , G06F7/588 , H03K3/84
摘要： A method and a circuit for detecting a loss in the equiprobable character of a first output bit flow originating from at least one first element of normalization of an initial bit flow, including analyzing the flow rate of the normalization element.
摘要翻译：一种用于检测源自起始位流的归一化的至少一个第一元素的第一输出位流的等能特性损失的方法和电路，包括分析归一化元件的流量。

55. 发明授权

US07593258B2 Protection of the flow of a program executed by an integrated circuit or of data contained in this circuit 有权
标题翻译：保护由集成电路或该电路中包含的数据执行的程序的流程
公开(公告)号：US07593258B2
公开(公告)日：2009-09-22
申请号：US11641550
申请日：2006-12-19
申请人： Pierre-Yvan Liardet , Yannick Teglia , Alain Pomet
发明人： Pierre-Yvan Liardet , Yannick Teglia , Alain Pomet
IPC分类号： G11C11/34
CPC分类号： G06F21/75 , G06F21/755 , G06F21/77
摘要： A method for protecting an integrated circuit, including at least one non-volatile memory, including the steps of detecting a possible disturbance in the flow of a program executed by the integrated circuit, modifying the value of a digital variable in a volatile storage element in case of a disturbance detection and, in a way independent in time from the detection, intervening upon the non-volatile memory according to the value of said variable.
摘要翻译：一种用于保护包括至少一个非易失性存储器的集成电路的方法，包括以下步骤：检测由集成电路执行的程序的流动中可能的干扰，修改易失性存储元件中的数字变量的值干扰检测的情况，并且以与检测不同的时间独立的方式，根据所述变量的值插入在非易失性存储器上。

56. 发明申请

US20070263859A1 Protection of the execution of a DES algorithm 有权
标题翻译：保护DES算法的执行
公开(公告)号：US20070263859A1
公开(公告)日：2007-11-15
申请号：US11641940
申请日：2006-12-19
申请人： Yannick Teglia , Pierre-Yvan Liardet , Alain Pomet
发明人： Yannick Teglia , Pierre-Yvan Liardet , Alain Pomet
IPC分类号： H04L1/00
CPC分类号： H04L9/003
摘要： A method for protecting an execution, by an integrated circuit, of a ciphering and/or deciphering algorithm taking into account data and at least one valid key and performing several iterations of the same calculation, including at least one execution of an iteration with the valid key between several executions of the same iteration with the invalid keys obtained by applying at least one non-linear one-way function to the valid key.
摘要翻译：一种用于保护由集成电路执行加密和/或解密算法的方法，该方法考虑数据和至少一个有效密钥并执行相同计算的多次迭代，包括至少一次执行具有有效的迭代通过将至少一个非线性单向函数应用于有效密钥而获得的无效密钥的相同迭代的多个执行之间的关键。

57. 发明申请

US20050288925A1 Checking of a bit flow 有权
标题翻译：检查位流
公开(公告)号：US20050288925A1
公开(公告)日：2005-12-29
申请号：US11166565
申请日：2005-06-24
申请人： Pierre-Yvan Liardet , Yannick Teglia
发明人： Pierre-Yvan Liardet , Yannick Teglia
IPC分类号： H03K3/84 , G10L21/02
CPC分类号： H03K3/84
摘要： A method and a circuit for detecting a possible loss of the equiprobable character of a first output bit flow originating from at least one first normalization element of an initial bit flow, consisting of submitting the initial flow to at least one second normalization element of a nature different from the first one, pairing, bit to bit, the flows originating from the two elements, and checking the equidistribution of the different state pairs.
摘要翻译：一种用于检测源自初始比特流的至少一个第一归一化元素的第一输出比特流的等能特性的可能损失的方法和电路，其包括将初始流提交给自然的至少一个第二归一化元素与第一个不同，配对，比特，比特，来自两个元素的流，以及检查不同状态对的等分布。

58. 发明申请

US20050257033A1 Protection of a jump in a program 有权
标题翻译：保护程序跳转
公开(公告)号：US20050257033A1
公开(公告)日：2005-11-17
申请号：US11126937
申请日：2005-05-11
申请人： Pierre Elias , Pierre-Yvan Liardet , Yannick Teglia
发明人： Pierre Elias , Pierre-Yvan Liardet , Yannick Teglia
IPC分类号： G06F9/32 , G06F21/55 , G06F9/00
CPC分类号： G06F9/30094 , G06F9/30058 , G06F21/755
摘要： A method for performing at least one jump in a program executed by a processor, including determining a result over several bits as an indicator that a desired condition has been complied with, the result corresponding to an operation taking into account at least one predetermined value and at least one current value; and calculating a jump address which is a function of the result.
摘要翻译：一种用于在由处理器执行的程序中执行至少一个跳转的方法，包括确定几比特的结果作为所需条件已经被遵守的指标，所述结果对应于考虑到至少一个预定值的操作，以及至少一个当前值; 并计算作为结果的函数的跳转地址。

59. 发明授权

US09286470B2 Protection of a volatile memory against viruses by modification of the content of an instruction 有权
标题翻译：通过修改指令的内容来保护易失性存储器免受病毒侵扰
公开(公告)号：US09286470B2
公开(公告)日：2016-03-15
申请号：US13458055
申请日：2012-04-27
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： G06F21/56 , G06F21/52
CPC分类号： G06F21/52
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 for which the access to the areas is authorized or forbidden 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; 并且与这些区域中的每一个相关联的操作码的第一个列表，其对这些区域的访问被授权或禁止。

60. 发明授权

US08767955B2 Protection of a modular exponentiation calculation by multiplication by a random quantity 有权
标题翻译：通过乘以随机数保护模幂运算
公开(公告)号：US08767955B2
公开(公告)日：2014-07-01
申请号：US13543106
申请日：2012-07-06
申请人： Yannick Teglia
发明人： Yannick Teglia
IPC分类号： H04L9/28
CPC分类号： G06F7/723 , G06F2207/7233
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; at least one second variable is initialized with a value which is a function of the digital quantity; at least for a bit at 1 of an exponent of the modular exponentiation, the first variable is updated by: a) the quotient of its content and a power of the random quantity; and b) the product of its content by that of the second variable; and once all the exponent bits have been processed, the content of the first variable is divided 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幂运算的方法，其中：第一变量用随机数进行初始化; 至少一个第二变量用作为数字量的函数的值初始化; 至少对于模幂数的指数的1位，第一个变量通过以下方式更新：a）其内容的商和随机数的幂; 和b）其内容的乘积与第二个变量的乘积; 并且一旦所有指数位都被处理，则将第一变量的内容除以随机数来提供模幂运算的结果。

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