WO2001086396A2 - Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys - Google Patents

Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys Download PDF

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Publication number
WO2001086396A2
WO2001086396A2 PCT/US2001/040462 US0140462W WO0186396A2 WO 2001086396 A2 WO2001086396 A2 WO 2001086396A2 US 0140462 W US0140462 W US 0140462W WO 0186396 A2 WO0186396 A2 WO 0186396A2
Authority
WO
WIPO (PCT)
Prior art keywords
encrypted
representation
objects
cipher
key
Prior art date
Application number
PCT/US2001/040462
Other languages
English (en)
French (fr)
Other versions
WO2001086396A3 (en
Inventor
John R. Douceur
William J. Bolosky
Marvin M. Theimer
Original Assignee
Microsoft Corporation
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 Microsoft Corporation filed Critical Microsoft Corporation
Priority to AT01975827T priority Critical patent/ATE487297T1/de
Priority to DE60143395T priority patent/DE60143395D1/de
Priority to AU2001295208A priority patent/AU2001295208A1/en
Priority to EP01975827A priority patent/EP1299971B1/en
Publication of WO2001086396A2 publication Critical patent/WO2001086396A2/en
Publication of WO2001086396A3 publication Critical patent/WO2001086396A3/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
    • H04L9/32—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
    • H04L9/3236—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 cryptographic hash functions
    • 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
    • H04L9/3247—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 involving digital signatures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99955—Archiving or backup
PCT/US2001/040462 2000-05-05 2001-04-05 Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys WO2001086396A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT01975827T ATE487297T1 (de) 2000-05-05 2001-04-05 Verschlüsselungsvorrichtung und verfahren zum identifizieren und zusammenfügen identischer objekte, die mit unterschiedlichen schlüsseln verschlüsselt wurden
DE60143395T DE60143395D1 (de) 2000-05-05 2001-04-05 Verschlüsselungsvorrichtung und verfahren zum identifizieren und zusammenfügen identischer objekte, die mit unterschiedlichen schlüsseln verschlüsselt wurden
AU2001295208A AU2001295208A1 (en) 2000-05-05 2001-04-05 Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys
EP01975827A EP1299971B1 (en) 2000-05-05 2001-04-05 Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/565,821 US6983365B1 (en) 2000-05-05 2000-05-05 Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys
US09/565,821 2000-05-05

Publications (2)

Publication Number Publication Date
WO2001086396A2 true WO2001086396A2 (en) 2001-11-15
WO2001086396A3 WO2001086396A3 (en) 2003-01-30

Family

ID=24260237

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/040462 WO2001086396A2 (en) 2000-05-05 2001-04-05 Encryption systems and methods for identifying and coalescing identical objects encrypted with different keys

Country Status (6)

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US (6) US6983365B1 (US07159110-20070102-P00001.png)
EP (1) EP1299971B1 (US07159110-20070102-P00001.png)
AT (1) ATE487297T1 (US07159110-20070102-P00001.png)
AU (1) AU2001295208A1 (US07159110-20070102-P00001.png)
DE (1) DE60143395D1 (US07159110-20070102-P00001.png)
WO (1) WO2001086396A2 (US07159110-20070102-P00001.png)

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US7707114B2 (en) 2003-06-25 2010-04-27 Nokia Corporation Enabling modification of control information, which controls the rights to content, where access to a key for decrypting the content requires a particular value that becomes modified when the control information is modified
US8281143B1 (en) * 2008-09-29 2012-10-02 Symantec Operating Corporation Protecting against chosen plaintext attacks in untrusted storage environments that support data deduplication
US8479304B1 (en) 2009-03-31 2013-07-02 Symantec Corporation Selectively protecting against chosen plaintext attacks in untrusted storage environments that support data deduplication
EP2830282A1 (en) * 2012-03-19 2015-01-28 Tianjin Sursen Investment Corp Ltd. Storage method, system and device
US9792063B2 (en) 2014-01-15 2017-10-17 Intel Corporation Deduplication-based data security

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US7930756B1 (en) 2001-12-12 2011-04-19 Crocker Steven Toye Multi-level cryptographic transformations for securing digital assets
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US7707114B2 (en) 2003-06-25 2010-04-27 Nokia Corporation Enabling modification of control information, which controls the rights to content, where access to a key for decrypting the content requires a particular value that becomes modified when the control information is modified
US8281143B1 (en) * 2008-09-29 2012-10-02 Symantec Operating Corporation Protecting against chosen plaintext attacks in untrusted storage environments that support data deduplication
US8479304B1 (en) 2009-03-31 2013-07-02 Symantec Corporation Selectively protecting against chosen plaintext attacks in untrusted storage environments that support data deduplication
EP2830282A1 (en) * 2012-03-19 2015-01-28 Tianjin Sursen Investment Corp Ltd. Storage method, system and device
EP2830282A4 (en) * 2012-03-19 2015-04-08 Surdoc Corp STORAGE PROCESS, SYSTEM AND DEVICE
US9792063B2 (en) 2014-01-15 2017-10-17 Intel Corporation Deduplication-based data security
US10558377B2 (en) 2014-01-15 2020-02-11 Intel Corporation Deduplication-based data security

Also Published As

Publication number Publication date
DE60143395D1 (de) 2010-12-16
EP1299971A2 (en) 2003-04-09
US20040221159A1 (en) 2004-11-04
US7159110B2 (en) 2007-01-02
WO2001086396A3 (en) 2003-01-30
US6983365B1 (en) 2006-01-03
US7779253B2 (en) 2010-08-17
ATE487297T1 (de) 2010-11-15
US20040215962A1 (en) 2004-10-28
US7266689B2 (en) 2007-09-04
US20050229012A1 (en) 2005-10-13
EP1299971B1 (en) 2010-11-03
US20040221160A1 (en) 2004-11-04
US20050235146A1 (en) 2005-10-20
AU2001295208A1 (en) 2001-11-20
US7574598B2 (en) 2009-08-11
US7437555B2 (en) 2008-10-14

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