IL203260A - Mac code verification without disclosure - Google Patents

Mac code verification without disclosure

Info

Publication number
IL203260A
IL203260A IL203260A IL20326010A IL203260A IL 203260 A IL203260 A IL 203260A IL 203260 A IL203260 A IL 203260A IL 20326010 A IL20326010 A IL 20326010A IL 203260 A IL203260 A IL 203260A
Authority
IL
Israel
Prior art keywords
mac
message
disclosure
code
code verification
Prior art date
Application number
IL203260A
Other languages
Hebrew (he)
Original Assignee
Viaccess Sa
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 Viaccess Sa filed Critical Viaccess Sa
Publication of IL203260A publication Critical patent/IL203260A/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
    • H04L9/06—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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • H04L9/3242—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 involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/603—Digital right managament [DRM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)

Abstract

The invention relates to a verification of the authenticity of a message (M) transmitted by a transmitting unit (95) to a receiver unit (96) with a cryptographic redundancy corresponding to a message authentification code (MAC) calculated from a block encryption. According to the invention, instead of verifying the code (MAC) received with the message (M) on reception,An initialisation vector (IV) value is deduced from the received code (MAC) which is compared with a previously stored reference value (IV).
IL203260A 2007-07-13 2010-01-12 Mac code verification without disclosure IL203260A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0705095A FR2918830B1 (en) 2007-07-13 2007-07-13 MAC CODE VERIFICATION WITHOUT REVELATION.
PCT/FR2008/051278 WO2009013420A1 (en) 2007-07-13 2008-07-08 Verification of mac code without disclosure

Publications (1)

Publication Number Publication Date
IL203260A true IL203260A (en) 2013-09-30

Family

ID=39226935

Family Applications (1)

Application Number Title Priority Date Filing Date
IL203260A IL203260A (en) 2007-07-13 2010-01-12 Mac code verification without disclosure

Country Status (8)

Country Link
EP (1) EP2168304B1 (en)
ES (1) ES2724703T3 (en)
FR (1) FR2918830B1 (en)
IL (1) IL203260A (en)
PL (1) PL2168304T3 (en)
RU (1) RU2457624C2 (en)
TW (1) TWI492602B (en)
WO (1) WO2009013420A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9202015B2 (en) 2009-12-31 2015-12-01 Intel Corporation Entering a secured computing environment using multiple authenticated code modules
WO2014154236A1 (en) * 2013-03-25 2014-10-02 Irdeto B.V. Obtaining or providing key data
CN104683093B (en) * 2013-11-27 2018-01-26 财团法人资讯工业策进会 Have block encryption device, block encryption method, block decryption device and the block decryption method of integrity verification concurrently
JP2017517818A (en) 2014-06-12 2017-06-29 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ Method and system for processing the color of a digital image
EP3154218A1 (en) 2015-10-06 2017-04-12 Thomson Licensing Device and method for discontinuous hashing of digital data
CN107026872B (en) * 2017-05-17 2021-02-12 宁波潮涌道投资合伙企业(有限合伙) Method for preventing user personal information from being decoded
FR3068560B1 (en) 2017-06-28 2019-08-23 Viaccess METHOD FOR RECEIVING AND DETECTING A CRYPTOGRAM OF A CONTROL WORD
DE102021005213A1 (en) 2021-10-19 2023-04-20 Mercedes-Benz Group AG Method for generating a u-bit fingerprint and method for encrypting plain text
DE102022004632B3 (en) 2022-12-12 2024-03-21 Mercedes-Benz Group AG Method for encrypting plain text

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY131509A (en) * 1999-03-15 2007-08-30 Sony Corp Data processing method, apparatus and system for encrypted- data transfer
US7428305B1 (en) * 2000-05-02 2008-09-23 Qualcomm Incorporated Generation of keyed integer permutations for message authentication codes
US7046802B2 (en) * 2000-10-12 2006-05-16 Rogaway Phillip W Method and apparatus for facilitating efficient authenticated encryption
US20030041242A1 (en) * 2001-05-11 2003-02-27 Sarver Patel Message authentication system and method
US6948067B2 (en) * 2002-07-24 2005-09-20 Qualcomm, Inc. Efficient encryption and authentication for data processing systems
US7336783B2 (en) * 2003-01-24 2008-02-26 Samsung Electronics, C., Ltd. Cryptographic systems and methods supporting multiple modes
GB0309161D0 (en) * 2003-04-23 2003-05-28 Hewlett Packard Development Co Cryptographic method and apparatus
US7457409B2 (en) * 2004-06-09 2008-11-25 Mediatek Inc. System and method for performing secure communications in a wireless local area network

Also Published As

Publication number Publication date
WO2009013420A1 (en) 2009-01-29
EP2168304A1 (en) 2010-03-31
EP2168304B1 (en) 2019-02-20
FR2918830B1 (en) 2009-10-30
RU2010105036A (en) 2011-08-20
PL2168304T3 (en) 2019-09-30
RU2457624C2 (en) 2012-07-27
TW200910900A (en) 2009-03-01
ES2724703T3 (en) 2019-09-13
FR2918830A1 (en) 2009-01-16
TWI492602B (en) 2015-07-11

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