FR3010598B1 - Procede de gestion de coherence de caches - Google Patents

Procede de gestion de coherence de caches

Info

Publication number
FR3010598B1
FR3010598B1 FR1358597A FR1358597A FR3010598B1 FR 3010598 B1 FR3010598 B1 FR 3010598B1 FR 1358597 A FR1358597 A FR 1358597A FR 1358597 A FR1358597 A FR 1358597A FR 3010598 B1 FR3010598 B1 FR 3010598B1
Authority
FR
France
Prior art keywords
coaches
managing coherence
coherence
managing
coherence coaches
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
FR1358597A
Other languages
English (en)
Other versions
FR3010598A1 (fr
Inventor
Christian Valpard
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.)
Safran Electronics and Defense SAS
Original Assignee
Sagem Defense Securite 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 Sagem Defense Securite SA filed Critical Sagem Defense Securite SA
Priority to FR1358597A priority Critical patent/FR3010598B1/fr
Priority to CN201480053601.7A priority patent/CN105580308B/zh
Priority to US14/916,915 priority patent/US9734065B2/en
Priority to PCT/EP2014/068990 priority patent/WO2015032921A1/fr
Publication of FR3010598A1 publication Critical patent/FR3010598A1/fr
Application granted granted Critical
Publication of FR3010598B1 publication Critical patent/FR3010598B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0815Cache consistency protocols
    • G06F12/0817Cache consistency protocols using directory methods
    • G06F12/0824Distributed directories, e.g. linked lists of caches
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1004Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0811Multiuser, multiprocessor or multiprocessing cache systems with multilevel cache hierarchies
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • G06F12/1408Protection against unauthorised use of memory or access to memory by using cryptography
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/16Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/1652Handling requests for interconnection or transfer for access to memory bus based on arbitration in a multiprocessor architecture
    • G06F13/1663Access to shared memory
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/304Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy based on error correction codes, e.g. McEliece
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10Providing a specific technical effect
    • G06F2212/1052Security improvement
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/28Using a specific disk cache architecture
    • G06F2212/283Plural cache memories
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/62Details of cache specific to multiprocessor cache arrangements
    • G06F2212/621Coherency control relating to peripheral accessing, e.g. from DMA or I/O device
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry
    • H04L2209/122Hardware reduction or efficient architectures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry
    • H04L2209/127Trusted platform modules [TPM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34Encoding or coding, e.g. Huffman coding or error correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • Storage Device Security (AREA)
FR1358597A 2013-09-06 2013-09-06 Procede de gestion de coherence de caches Active FR3010598B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1358597A FR3010598B1 (fr) 2013-09-06 2013-09-06 Procede de gestion de coherence de caches
CN201480053601.7A CN105580308B (zh) 2013-09-06 2014-09-05 用于管理高速缓存一致性的方法
US14/916,915 US9734065B2 (en) 2013-09-06 2014-09-05 Method of managing consistency of caches
PCT/EP2014/068990 WO2015032921A1 (fr) 2013-09-06 2014-09-05 Procédé de gestion de cohérence de caches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1358597A FR3010598B1 (fr) 2013-09-06 2013-09-06 Procede de gestion de coherence de caches

Publications (2)

Publication Number Publication Date
FR3010598A1 FR3010598A1 (fr) 2015-03-13
FR3010598B1 true FR3010598B1 (fr) 2017-01-13

Family

ID=50069025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1358597A Active FR3010598B1 (fr) 2013-09-06 2013-09-06 Procede de gestion de coherence de caches

Country Status (4)

Country Link
US (1) US9734065B2 (fr)
CN (1) CN105580308B (fr)
FR (1) FR3010598B1 (fr)
WO (1) WO2015032921A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109711177A (zh) * 2018-12-14 2019-05-03 国家电网有限公司 基于生物信息识别的数据安全管理方法及终端设备
CN111367886B (zh) * 2020-03-02 2024-01-19 中国邮政储蓄银行股份有限公司 数据库中数据迁移的方法及装置
US12013780B2 (en) * 2020-08-19 2024-06-18 Google Llc Multi-partition memory sharing with multiple components

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996042155A1 (fr) * 1995-06-08 1996-12-27 Motorola Inc. Procedes de chiffrement de paquets de donnees et de detection d'erreurs de dechiffrage
ATE522039T1 (de) 2000-01-21 2011-09-15 Sony Computer Entertainment Inc Vorrichtung und verfahren zur verarbeitung von verschlüsselten daten
KR100755683B1 (ko) * 2003-05-07 2007-09-05 삼성전자주식회사 컨텐츠 제공자 인증 및 컨텐츠 무결성 보장 방법
US8296581B2 (en) * 2007-02-05 2012-10-23 Infineon Technologies Ag Secure processor arrangement having shared memory
US8438452B2 (en) * 2008-12-29 2013-05-07 Intel Corporation Poison bit error checking code scheme
US8732396B2 (en) * 2009-06-08 2014-05-20 Lsi Corporation Method and apparatus for protecting the integrity of cached data in a direct-attached storage (DAS) system
US20110197031A1 (en) * 2010-02-05 2011-08-11 Nokia Corporation Update Handler For Multi-Channel Cache
CN101958834B (zh) * 2010-09-27 2012-09-05 清华大学 支持高速缓存一致的片上网络系统及数据请求方法
US8930647B1 (en) * 2011-04-06 2015-01-06 P4tents1, LLC Multiple class memory systems
US9311250B2 (en) * 2011-12-19 2016-04-12 Intel Corporation Techniques for memory de-duplication in a virtual system

Also Published As

Publication number Publication date
FR3010598A1 (fr) 2015-03-13
CN105580308B (zh) 2018-12-28
WO2015032921A1 (fr) 2015-03-12
US20160224469A1 (en) 2016-08-04
CN105580308A (zh) 2016-05-11
US9734065B2 (en) 2017-08-15

Similar Documents

Publication Publication Date Title
FR3006059B1 (fr) Procede de gestion d'un radar-mimo
DK2988716T3 (da) Afkølet dispenseringssystem med styret lagerbeholdning
GB2546634B (en) Invalidation data area for cache
EP2871579A4 (fr) Procédé de construction partielle d'état share-f dans un système de domaine de cohérence de mémoire cache à multiples niveaux
DK3013664T3 (da) Skinnekøretøj med beklædt chassis
DK3057822T3 (da) Rulleleje
GB201318780D0 (en) Write cache destaging
FR3001642B1 (fr) Procede de recouvrement de surfaces
FR3010598B1 (fr) Procede de gestion de coherence de caches
FR3008368B1 (fr) Procede de gestion du freinage d'un aeronef
DK3007955T3 (da) Skinnekøretøj
PL2789891T3 (pl) Urządzenie smarujące dla zamknięć zwrotnic
DK2868546T3 (da) Sporkrans-smøring til skinnekøretøjer
FR3013658B1 (fr) Systeme et procede de freinage
ES1091884Y (es) Dispositivo stellarator de fácil mantenimiento
GB2534014B (en) Cache architecture
ES2495721R1 (es) Gato para vehículos
ES1078959Y (es) Pista de hielo desmontable
FR3006043B1 (fr) Unite de refroidissement et procede de refroidissement
ES1079329Y (es) Dispositivo para la fijacion de intubacion orotraqueal
ES1100130Y (es) Dispositivo de pivotamiento para puertas
FI20135567L (fi) Tekniikoita vaihteen kunnon valvomiseksi
UA25039S (uk) Пустотоутворювач з шайбою для монтажу залізничних шпал
TH1501006937B (th) โครงสร้างชุดปฏิบัติการสำหรับยานพาหนะแบบนั่งขับขี่บนอาน
GB201301482D0 (en) Caching

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

CA Change of address

Effective date: 20161223

CD Change of name or company name

Owner name: SAFRAN ELECTRONICS & DEFENSE, FR

Effective date: 20161223

CJ Change in legal form

Effective date: 20161223

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11