IN2014DN11080A - - Google Patents

Info

Publication number
IN2014DN11080A
IN2014DN11080A IN11080DEN2014A IN2014DN11080A IN 2014DN11080 A IN2014DN11080 A IN 2014DN11080A IN 11080DEN2014 A IN11080DEN2014 A IN 11080DEN2014A IN 2014DN11080 A IN2014DN11080 A IN 2014DN11080A
Authority
IN
India
Prior art keywords
text
encoded
encoded text
recorded
storage device
Prior art date
Application number
Inventor
Satoshi Obana
Toshiyuki Isshiki
Kengo Mori
Toshinori Araki
Original Assignee
Nec Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Corp filed Critical Nec Corp
Publication of IN2014DN11080A publication Critical patent/IN2014DN11080A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
    • H04L9/3231—Biological data, e.g. fingerprint, voice or retina
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction

Abstract

The present invention makes it possible in encoded text checking to avoid the leaking of information related to the original plain text thereby ensuring safety. The system of the present invention is provided with: a means (103 in fig. 1) for generating first and second auxiliary data for verifying whether or not the Hamming distance of a plain text between a first encoded text in which input data is encoded and is recorded in a storage device and a second encoded text obtained by encoding input data of a target to be checked is equal to or less than a predetermined value; and means (402 403 in fig. 1) for taking the difference between the first encoded text recorded in the storage device and the second encoded text and determining using the first and second auxiliary data whether or not the Hamming distance of the plain text corresponding to the difference between the first encoded text and the second encoded text is equal to or less than the predetermined value.
IN11080DEN2014 2012-07-13 2013-07-12 IN2014DN11080A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012157265 2012-07-13
PCT/JP2013/069132 WO2014010725A1 (en) 2012-07-13 2013-07-12 Encoded text checking system, method, and program

Publications (1)

Publication Number Publication Date
IN2014DN11080A true IN2014DN11080A (en) 2015-09-25

Family

ID=49916164

Family Applications (1)

Application Number Title Priority Date Filing Date
IN11080DEN2014 IN2014DN11080A (en) 2012-07-13 2013-07-12

Country Status (5)

Country Link
US (1) US9906363B2 (en)
EP (1) EP2874346A4 (en)
JP (1) JP6048501B2 (en)
IN (1) IN2014DN11080A (en)
WO (1) WO2014010725A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933945A4 (en) 2012-12-14 2016-08-03 Nec Corp Bit string matching system, method, and program
EP2991265B1 (en) * 2013-04-24 2020-05-27 Nec Corporation Encrypted text matching system, method and program
EP2991264B1 (en) 2013-04-24 2021-06-02 Nec Corporation Encrypted text matching system, method and program
WO2014175320A1 (en) * 2013-04-24 2014-10-30 日本電気株式会社 Encrypted text matching system, method and program
US9503266B2 (en) * 2014-05-25 2016-11-22 Fujitsu Limited Relational encryption
US9430628B2 (en) * 2014-08-13 2016-08-30 Qualcomm Incorporated Access authorization based on synthetic biometric data and non-biometric data
IL234613A0 (en) * 2014-09-11 2014-12-02 Google Inc Encrypted aggregated transaction data exchange with transaction data provider
WO2016072057A1 (en) * 2014-11-05 2016-05-12 日本電気株式会社 Encrypted text matching system, method, and storage medium
KR102249826B1 (en) * 2015-01-06 2021-05-11 삼성전자주식회사 Method and electronic device for managing data
JP6738062B2 (en) * 2015-02-24 2020-08-12 日本電気株式会社 Ciphertext verification system, method, and recording medium
JP6645572B2 (en) 2016-03-31 2020-02-14 日本電気株式会社 Biometric data registration support device, biometric data registration support system, biometric data registration support method, biometric data registration support program
WO2019124164A1 (en) * 2017-12-22 2019-06-27 学校法人東京理科大学 Encrypted data processing system and program
KR20200100481A (en) * 2019-02-18 2020-08-26 삼성전자주식회사 Electronic device for authenticating biometric information and operating method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7714587L (en) * 1977-12-21 1979-06-22 Brendstrom Hugo COMMUNICATION SYSTEM
US5745578A (en) * 1996-06-17 1998-04-28 Ericsson Inc. Apparatus and method for secure communication based on channel characteristics
JP2005130384A (en) 2003-10-27 2005-05-19 Kddi Corp Biometrics authentication system and method
JP2008502071A (en) 2004-06-09 2008-01-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Biometric template protection and characterization
WO2006054208A1 (en) * 2004-11-16 2006-05-26 Koninklijke Philips Electronics N.V. Securely computing a similarity measure
JP4564348B2 (en) 2004-12-10 2010-10-20 株式会社日立製作所 Biometric information feature amount conversion method and biometric authentication system
US8130946B2 (en) * 2007-03-20 2012-03-06 Michael De Mare Iterative symmetric key ciphers with keyed S-boxes using modular exponentiation
US8958552B2 (en) * 2009-10-29 2015-02-17 Mitsubishi Electric Corporation Data processing device
JP5859953B2 (en) * 2010-09-30 2016-02-16 パナソニック株式会社 Biometric authentication system, communication terminal device, biometric authentication device, and biometric authentication method

Also Published As

Publication number Publication date
US9906363B2 (en) 2018-02-27
JP6048501B2 (en) 2016-12-21
US20150195090A1 (en) 2015-07-09
EP2874346A1 (en) 2015-05-20
JPWO2014010725A1 (en) 2016-06-23
EP2874346A4 (en) 2016-03-09
WO2014010725A1 (en) 2014-01-16

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