WO2017132693A3 - Removing information from data - Google Patents

Removing information from data Download PDF

Info

Publication number
WO2017132693A3
WO2017132693A3 PCT/US2017/015686 US2017015686W WO2017132693A3 WO 2017132693 A3 WO2017132693 A3 WO 2017132693A3 US 2017015686 W US2017015686 W US 2017015686W WO 2017132693 A3 WO2017132693 A3 WO 2017132693A3
Authority
WO
WIPO (PCT)
Prior art keywords
informational data
data
generated
function
xor
Prior art date
Application number
PCT/US2017/015686
Other languages
French (fr)
Other versions
WO2017132693A2 (en
WO2017132693A4 (en
Inventor
David VON VISTAUXX
Original Assignee
Tfor Llc
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
Priority claimed from US15/008,608 external-priority patent/US10552623B1/en
Application filed by Tfor Llc filed Critical Tfor Llc
Priority to EP17745104.4A priority Critical patent/EP3408747A4/en
Priority to CN201780020258.XA priority patent/CN108885576B/en
Publication of WO2017132693A2 publication Critical patent/WO2017132693A2/en
Publication of WO2017132693A3 publication Critical patent/WO2017132693A3/en
Publication of WO2017132693A4 publication Critical patent/WO2017132693A4/en

Links

Classifications

    • 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
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • 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
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0827—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving distinctive intermediate devices or communication paths
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Storage Device Security (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Communication Control (AREA)

Abstract

Non-informational data D is generated as an output using a non-informational data E and informational data as inputs to a function on a computing device in an information- restricted domain. The function may be an XOR and the non-informational data E may be a pseudorandom string of the same length as the informational data. The non-informational data D is moved to an unrestricted domain where it may be managed normally. When the informational data is needed it can be re-generated using the non-informational data D and non-informational data E as inputs to an inverse function (XOR is its own inverse). The non-informational data E may be generated from a smaller random seed.
PCT/US2017/015686 2016-01-28 2017-01-30 Removing information from data WO2017132693A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17745104.4A EP3408747A4 (en) 2016-01-28 2017-01-30 Removing information from data
CN201780020258.XA CN108885576B (en) 2016-01-28 2017-01-30 Removing information from data

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US15/008,608 2016-01-28
US15/008,608 US10552623B1 (en) 2016-01-28 2016-01-28 Removing information from data
US201662318741P 2016-04-05 2016-04-05
US62/318,741 2016-04-05

Publications (3)

Publication Number Publication Date
WO2017132693A2 WO2017132693A2 (en) 2017-08-03
WO2017132693A3 true WO2017132693A3 (en) 2018-02-22
WO2017132693A4 WO2017132693A4 (en) 2018-05-03

Family

ID=59398862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/015686 WO2017132693A2 (en) 2016-01-28 2017-01-30 Removing information from data

Country Status (3)

Country Link
EP (1) EP3408747A4 (en)
CN (1) CN108885576B (en)
WO (1) WO2017132693A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020054679A1 (en) * 2000-09-07 2002-05-09 Ivan Vesely Cascaded stream cipher
US20040003262A1 (en) * 2002-06-28 2004-01-01 Paul England Methods and systems for protecting data in USB systems
US20040107356A1 (en) * 1999-03-16 2004-06-03 Intertrust Technologies Corp. Methods and apparatus for persistent control and protection of content
US20140047197A1 (en) * 2012-08-09 2014-02-13 Texas Instruments, Incorporated Multiport memory emulation using single-port memory devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7079653B2 (en) * 1998-02-13 2006-07-18 Tecsec, Inc. Cryptographic key split binding process and apparatus
FR2810480B1 (en) * 2000-06-20 2002-11-15 Gemplus Card Int DATA PROCESSING WITH A KEY
JP2003087243A (en) * 2001-06-28 2003-03-20 Hitachi Ltd Method for verifying data, data verification device and its processing program product
US20030149869A1 (en) * 2002-02-01 2003-08-07 Paul Gleichauf Method and system for securely storing and trasmitting data by applying a one-time pad
US7190791B2 (en) * 2002-11-20 2007-03-13 Stephen Laurence Boren Method of encryption using multi-key process to create a variable-length key
GB0813298D0 (en) * 2008-07-19 2008-08-27 Univ St Andrews Multipad encryption

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040107356A1 (en) * 1999-03-16 2004-06-03 Intertrust Technologies Corp. Methods and apparatus for persistent control and protection of content
US20020054679A1 (en) * 2000-09-07 2002-05-09 Ivan Vesely Cascaded stream cipher
US20040003262A1 (en) * 2002-06-28 2004-01-01 Paul England Methods and systems for protecting data in USB systems
US20140047197A1 (en) * 2012-08-09 2014-02-13 Texas Instruments, Incorporated Multiport memory emulation using single-port memory devices

Also Published As

Publication number Publication date
EP3408747A2 (en) 2018-12-05
CN108885576A (en) 2018-11-23
WO2017132693A2 (en) 2017-08-03
CN108885576B (en) 2022-07-08
EP3408747A4 (en) 2019-09-18
WO2017132693A4 (en) 2018-05-03

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