DE602006013399D1 - System und Verfahren für den Vergleich von Privatwerten - Google Patents

System und Verfahren für den Vergleich von Privatwerten

Info

Publication number
DE602006013399D1
DE602006013399D1 DE602006013399T DE602006013399T DE602006013399D1 DE 602006013399 D1 DE602006013399 D1 DE 602006013399D1 DE 602006013399 T DE602006013399 T DE 602006013399T DE 602006013399 T DE602006013399 T DE 602006013399T DE 602006013399 D1 DE602006013399 D1 DE 602006013399D1
Authority
DE
Germany
Prior art keywords
value
private
compute
encrypted
private values
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602006013399T
Other languages
English (en)
Inventor
Florian Kerschbaum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAP SE
Original Assignee
SAP SE
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 SAP SE filed Critical SAP SE
Publication of DE602006013399D1 publication Critical patent/DE602006013399D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L9/008—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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • H04L2209/46—Secure multiparty computation, e.g. millionaire problem
DE602006013399T 2006-01-02 2006-01-02 System und Verfahren für den Vergleich von Privatwerten Active DE602006013399D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06000007A EP1804416B1 (de) 2006-01-02 2006-01-02 System und Verfahren für den Vergleich von Privatwerten

Publications (1)

Publication Number Publication Date
DE602006013399D1 true DE602006013399D1 (de) 2010-05-20

Family

ID=35966448

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006013399T Active DE602006013399D1 (de) 2006-01-02 2006-01-02 System und Verfahren für den Vergleich von Privatwerten

Country Status (4)

Country Link
US (2) US7869598B2 (de)
EP (1) EP1804416B1 (de)
AT (1) ATE463898T1 (de)
DE (1) DE602006013399D1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1804416B1 (de) * 2006-01-02 2010-04-07 Sap Ag System und Verfahren für den Vergleich von Privatwerten
EP1835657B1 (de) * 2006-03-16 2014-11-12 Sap Se Verfahren und Systeme zur Mehrparteiensortierung von Privatwerten
US7986780B2 (en) * 2006-07-06 2011-07-26 Sap Ag Privacy-preserving substring creation
US7995750B2 (en) * 2006-07-06 2011-08-09 Sap Ag Privacy-preserving concatenation of strings
US8321666B2 (en) * 2006-08-15 2012-11-27 Sap Ag Implementations of secure computation protocols
US7860244B2 (en) * 2006-12-18 2010-12-28 Sap Ag Secure computation of private values
US10677617B2 (en) * 2007-05-30 2020-06-09 Infineon Technologies Ag Shaft-integrated angle sensing device
EP2043015B1 (de) 2007-09-27 2014-04-23 Sap Ag Sichere logische Vektortaktgeber
US8271796B2 (en) * 2008-05-12 2012-09-18 Telecommunications Research Laboratory Apparatus for secure computation of string comparators
US9448976B2 (en) 2008-05-20 2016-09-20 Adobe Systems Incorporated Package file presentation including reference content
US8818959B2 (en) 2008-12-02 2014-08-26 Adobe Systems Incorporated Virtual embedding of files in documents
US8630422B2 (en) * 2009-11-10 2014-01-14 International Business Machines Corporation Fully homomorphic encryption method based on a bootstrappable encryption scheme, computer program and apparatus
US8515058B1 (en) * 2009-11-10 2013-08-20 The Board Of Trustees Of The Leland Stanford Junior University Bootstrappable homomorphic encryption method, computer program and apparatus
US8311213B2 (en) * 2009-12-07 2012-11-13 Mitsubishi Electric Research Laboratories, Inc. Method for determining functions applied to signals
US8861716B2 (en) 2010-03-30 2014-10-14 International Business Machines Corporation Efficient homomorphic encryption scheme for bilinear forms
US8473741B2 (en) * 2010-05-03 2013-06-25 Sap Ag System and method for comparing private data
US8903083B2 (en) 2010-08-16 2014-12-02 International Business Machines Corporation Fast evaluation of many polynomials with small coefficients on the same point
US8681973B2 (en) * 2010-09-15 2014-03-25 At&T Intellectual Property I, L.P. Methods, systems, and computer program products for performing homomorphic encryption and decryption on individual operations
US9083526B2 (en) 2011-04-29 2015-07-14 International Business Machines Corporation Fully homomorphic encryption
FR2975248B1 (fr) * 2011-05-09 2013-06-21 Ingenico Sa Dispositif et procede de generation de cles a securite renforcee pour algorithme de chiffrement pleinement homomorphique.
US9281941B2 (en) 2012-02-17 2016-03-08 International Business Machines Corporation Homomorphic evaluation including key switching, modulus switching, and dynamic noise management
EP2809027B1 (de) * 2013-05-30 2018-09-12 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Verfahren und System zur Rekonstruktion eines Datenobjekts aus verteilten redundanten Datenteilen
GB2517913A (en) * 2013-08-30 2015-03-11 Ibm Remote data storage
WO2015198098A1 (en) * 2014-06-26 2015-12-30 Telefonaktiebolaget L M Ericsson (Publ) Privacy-preserving querying mechanism on privately encrypted data on semi-trusted cloud
JP2016012111A (ja) * 2014-06-30 2016-01-21 富士通株式会社 暗号処理方法、暗号処理装置、および暗号処理プログラム
US9740879B2 (en) 2014-10-29 2017-08-22 Sap Se Searchable encryption with secure and efficient updates
US9342707B1 (en) 2014-11-06 2016-05-17 Sap Se Searchable encryption for infrequent queries in adjustable encrypted databases
US10333696B2 (en) 2015-01-12 2019-06-25 X-Prime, Inc. Systems and methods for implementing an efficient, scalable homomorphic transformation of encrypted data with minimal data expansion and improved processing efficiency
US9830470B2 (en) 2015-10-09 2017-11-28 Sap Se Encrypting data for analytical web applications
US10015007B2 (en) 2015-11-25 2018-07-03 International Business Machines Corporation Performing efficient comparison operations on encrypted data
JP2019207281A (ja) * 2018-05-28 2019-12-05 株式会社日立製作所 大小判定サーバ、大小判定暗号化システム、及び大小判定方法
US10289816B1 (en) 2018-06-08 2019-05-14 Gsfm Llc Methods, systems, and devices for an encrypted and obfuscated algorithm in a computing environment
US10746567B1 (en) 2019-03-22 2020-08-18 Sap Se Privacy preserving smart metering

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531A (en) * 1844-04-10 Clock-pendulum
US20070116283A1 (en) * 2003-11-03 2007-05-24 Koninklijke Philips Electronics N.V. Method and device for efficient multiparty multiplication
EP1804416B1 (de) 2006-01-02 2010-04-07 Sap Ag System und Verfahren für den Vergleich von Privatwerten

Also Published As

Publication number Publication date
US20110085658A1 (en) 2011-04-14
US20070156586A1 (en) 2007-07-05
US8045711B2 (en) 2011-10-25
US7869598B2 (en) 2011-01-11
EP1804416B1 (de) 2010-04-07
EP1804416A1 (de) 2007-07-04
ATE463898T1 (de) 2010-04-15

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Legal Events

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