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1. 发明公开

EP4379591A1 INTEGRATED CIRCUIT FOR ADAPTIVE PUF STABILIZATION PROCESS 审中-公开
公开(公告)号：EP4379591A1
公开(公告)日：2024-06-05
申请号：EP23213726.5
申请日：2023-12-01
申请人： Intelligent Information Security Technology Inc.
发明人： FANG, Wai-Chi , FAHIER, Nicolas-Jean Roger , WAN, Meng-Ting , LIN, Hao-Ting
IPC分类号： G06F21/73 , G09C1/00 , H04L9/08 , H04L9/32
CPC分类号： H04L2209/2620130101 , H04L2209/1220130101 , H04L2209/3420130101 , H04L9/3278 , H04L9/0866 , G09C1/00 , G06F21/73
摘要： An IC for adaptive PUF stabilization process includes a PUF stabilizer and a non-volatile memory. The PUF stabilizer has PUF units, a statistic processor, a majority voting generator, and a dark-bit masker. The statistic processor is connected to the PUF units, and performs measurements on the PUF units to output results. The majority voting generator is connected to the statistic processor to accumulate the results into a statistic result, which is output as a PUF bit. The dark-bit masker is connected to the PUF units, and marks unstable PUF units bit as dark-bit and create dark-bit masks. The non-volatile memory is connected to the PUF stabilizer to store the dark-bit masks, and the dark-bits are replaced by specific bit sequences provided by the PUF stabilizer. This decreases bit error rates of the PUF measurement results, and allows customization of the quantity of dark bits per dark-bit mask used.

2. 发明公开

EP4375864A1 PERSONAL INFORMATION PROTECTION MANAGEMENT SYSTEM FOR GENOME DATA 审中-公开
公开(公告)号：EP4375864A1
公开(公告)日：2024-05-29
申请号：EP22845770.1
申请日：2022-06-30
申请人： National Institute of Information and Communications Technology
发明人： FUJIWARA, Mikio , TAKEOKA, Masahiro , SASAKI, Masahide , NAGASAKI, Masao
IPC分类号： G06F21/62 , G09C1/00
CPC分类号： G09C1/00 , G06F21/62
摘要： Provided is a personal information protection management system for genome data whereby leakage of confidential information can be prevented. A personal information protection management system (2) for genome data comprises: a data storage unit (20) in which genome data is stored; a roll storage unit (31) in which a roll and an ID of a data output destination are associated and stored, the roll being content of filtering for removing, from the genome data, a part that cannot be output; a filter unit (35) that filters the stored genome data on the basis of the stored roll; and a data output unit (36) that outputs the filtered genome data to the data output destination. The filter unit (35) acquires a data request signal transmitted from the data output destination and filters the genome data on the basis of the roll associated with the ID included in the acquired data request signal.

3. 发明公开

EP4375832A1 PROCÉDÉ DE FOURNITURE D'UN ALÉA POUR UN ALGORITHME CRYPTOGRAPHIQUE, PROCÉDÉ DE TRAITEMENT D'UNE DONNÉE ET PROGRAMME D ORDINATEUR ASSOCIÉS 审中-公开
公开(公告)号：EP4375832A1
公开(公告)日：2024-05-29
申请号：EP23212190.5
申请日：2023-11-27
申请人： Commissariat à l'énergie atomique et aux énergies alternatives
发明人： PEBAY-PEYROULA, Florian , CAGLI, Carlo , FAURIAT, Mattieu
IPC分类号： G06F7/58 , G09C1/00 , H04L9/08
CPC分类号： G06F7/588 , G09C1/00 , H04L9/0866 , H04L2209/2620130101
摘要： Ce procédé de fourniture d'un aléa pour un algorithme cryptographique est mis en oeuvre par un calculateur électronique comprenant un coeur et un ensemble de mémoire(s), l'ensemble de mémoire(s) comportant une mémoire de référence présentant un caractère aléatoire intrinsèque dans un état prédéfini de génération d'aléa.
Le procédé comprend :
- lecture d'un message de référence dans une première zone mémoire, la première zone mémoire étant incluse dans la mémoire de référence, l'étape de lecture étant effectuée à l'état de génération d'aléa de la mémoire de référence ;
- écriture du message de référence dans une deuxième zone mémoire, distincte de la première zone mémoire, la deuxième zone mémoire étant incluse dans l'ensemble de mémoire(s) ;
- lecture ultérieure du message de référence dans la deuxième zone mémoire, le message de référence lu dans la deuxième zone mémoire formant l'aléa pour l'algorithme cryptographique.

4. 发明授权

EP3340215B1 SYSTEM AND METHOD FOR GENERATING SECRET INFORMATION USING A HIGH RELIABILITY PHYSICALLY UNCLONABLE FUNCTION 有权
公开(公告)号：EP3340215B1
公开(公告)日：2024-05-22
申请号：EP16306808.3
申请日：2016-12-23
IPC分类号： H04L9/08 , G09C1/00
CPC分类号： G09C1/00 , H04L9/0866 , H04L2209/1220130101

5. 发明公开

EP4354415A1 SECURE COMPUTING DEVICE, SECURE COMPUTING SYSTEM, SECURE COMPUTING METHOD, AND PROGRAM 审中-公开
公开(公告)号：EP4354415A1
公开(公告)日：2024-04-17
申请号：EP21945044.2
申请日：2021-06-08
申请人： Nippon Telegraph And Telephone Corporation
发明人： SUDO, Hiroki , IKARASHI, Dai
IPC分类号： G09C1/00
CPC分类号： G09C1/00
摘要： By using [x0,0], ..., [x0,r(0)-1], ..., [xL-1,0], ..., [xL-1,r(L-1)-1] obtained by concealing L sets X0 = {x0,0, ..., X0,r(0)-1}, ..., XL-1 = {xL-1,0, ..., xL-1,r(L-1)-1}, [c0], ..., [cm-1] obtained by concealing the number cp of elements representing kp among x0,0, ..., x0,r(0)-1, ..., xL-1,0, ..., xL-1,r(L-1)-1 for p = 0, ..., m-1 are obtained, [eq0], ..., [eqm-1] obtained by concealing eqp = T when cp is L and eqp = F when cp is not L for p = 0, ..., m-1 are obtained, and a data structure including [kp] and [eqp] associated with each other is output as a concealed operation result of a product set of X0, ..., XL-1.

6. 发明授权

EP3568794B1 PROCÉDÉS ET SYSTÈMES POUR L'EXÉCUTION DE CONTRATS INTELLIGENTS DANS DES ENVIRONNEMENTS SÉCURISÉS 有权
公开(公告)号：EP3568794B1
公开(公告)日：2024-03-13
申请号：EP18705491.1
申请日：2018-01-16
发明人： Maim, Enrico
IPC分类号： G06F21/51 , H04L9/40 , H04L9/32 , H04L9/00 , G06Q20/06 , G06Q20/36 , G06Q20/38 , G09C1/00

7. 发明授权

EP3472821B1 AN APPARATUS AND METHOD FOR OBFUSCATING POWER CONSUMPTION OF A PROCESSOR 有权
公开(公告)号：EP3472821B1
公开(公告)日：2024-03-06
申请号：EP17730905.1
申请日：2017-06-09
发明人： SANDHU, Bal S. , LATTIMORE, George McNeil , VINEYARD, Carl Wayne
IPC分类号： G09C1/00 , H04L9/00

8. 发明公开

EP4328893A1 SECURE COMPUTATION SYSTEM, SECURE COMPUTATION DEVICE, METHOD, AND PROGRAM 审中-公开
公开(公告)号：EP4328893A1
公开(公告)日：2024-02-28
申请号：EP21937817.1
申请日：2021-04-19
申请人： Nippon Telegraph And Telephone Corporation
发明人： ICHIKAWA, Atsunori , HAMADA, Koki
IPC分类号： G09C1/00
摘要： A secure computation system according to an embodiment is a secure computation system including a first secure computation apparatus, a second secure computation apparatus, and a third secure computation apparatus each having a tripartite share of a concealed input vector, wherein the first secure computation apparatus includes a first conversion unit configured to convert its own tripartite share into a bipartite share with the third secure computation apparatus; a first calculation unit configured to calculate a third vector obtained by subtracting, from a result of applying its own permutation to its own bipartite share, a result of applying a second permutation determined according to the permutation to a first vector determined by a predetermined method and a second vector determined by a predetermined method; and a first transmission unit configured to transmit the third vector and the second permutation to the second secure computation apparatus, the third secure computation apparatus includes a second conversion unit configured to convert its own tripartite share into a bipartite share with the first secure computation apparatus; a second calculation unit configured to calculate a fourth vector obtained by adding the first vector to a result of applying a first permutation determined according to the permutation to its own bipartite share; a second transmission unit configured to transmit the fourth vector to the third secure computation apparatus; a first output unit configured to set the second vector as a bipartite share, with the second secure computation apparatus, of a result of applying the permutation to the input vector, and the second secure computation apparatus includes a second output unit configured to set a vector obtained by adding a result of applying the second permutation to the fourth vector to the third vector, as a bipartite share, with the third secure computation apparatus, of a result of applying the permutation to the input vector.

9. 发明授权

EP3731215B1 RETRIEVAL DEVICE, RETRIEVAL METHOD, PROGRAM, AND RECORDING MEDIUM 有权
公开(公告)号：EP3731215B1
公开(公告)日：2024-02-07
申请号：EP18892647.1
申请日：2018-12-10
发明人： IKARASHI, Dai
IPC分类号： G09C1/00 , G06F16/903

10. 发明公开

EP4293649A1 SECRET SEARCH METHOD, SECRET SEARCH SYSTEM, SECRET SEARCH DEVICE, ENCRYPTION DEVICE, SEARCHER TERMINAL, AND PROGRAM 审中-公开
公开(公告)号：EP4293649A1
公开(公告)日：2023-12-20
申请号：EP21932849.9
申请日：2021-03-22
申请人： Nippon Telegraph And Telephone Corporation
发明人： TAKAHASHI, Satoshi , CHIDA, Koji , ICHIKAWA, Atsunori
IPC分类号： G09C1/00
摘要： Data search by secure computation is efficiently performed. A searcher terminal (3) acquires condition data (S31). The searcher terminal (3) extracts a feature from the condition data (S32). The searcher terminal (3) generates a flag from the feature of the condition data (S33). The searcher terminal (3) encrypts the flag of the condition data (S34). The searcher terminal (3) encrypts the feature of the condition data (S35). The secure search apparatus (I n ) acquires an intermediate search result indicating a ciphertext of a target feature corresponding to a target flag matching the condition flag while keeping the target flag and the condition flag secret (S11). The secure search apparatus (I n ) acquires a search result indicating a ciphertext of target data corresponding to a target feature similar to the condition feature among target features indicated by the intermediate search result while keeping the target feature and the condition feature secret (S11). The secure search apparatus (I n ) transmits the search result to an encryption apparatus (2) and the searcher terminal (3) (S13-1).

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