JP4619288B2 - データ処理システムにおける処理動作マスキング - Google Patents

データ処理システムにおける処理動作マスキング Download PDF

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Publication number
JP4619288B2
JP4619288B2 JP2005502327A JP2005502327A JP4619288B2 JP 4619288 B2 JP4619288 B2 JP 4619288B2 JP 2005502327 A JP2005502327 A JP 2005502327A JP 2005502327 A JP2005502327 A JP 2005502327A JP 4619288 B2 JP4619288 B2 JP 4619288B2
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Japan
Prior art keywords
data processing
register
processor core
instruction
data
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Expired - Lifetime
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JP2005502327A
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English (en)
Japanese (ja)
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JP2006522375A5 (enExample
JP2006522375A (ja
Inventor
エヴラード、クリストフ、ジャスティン
− アン、フランソワ、マリー プリュヴォ、ジュリー
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エイアールエム リミテッド
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.)
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Priority claimed from GBGB0229068.2A external-priority patent/GB0229068D0/en
Priority claimed from GB0307823A external-priority patent/GB2396229B/en
Application filed by エイアールエム リミテッド filed Critical エイアールエム リミテッド
Publication of JP2006522375A publication Critical patent/JP2006522375A/ja
Publication of JP2006522375A5 publication Critical patent/JP2006522375A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
    • G06F21/755—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation with measures against power attack
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3005—Arrangements for executing specific machine instructions to perform operations for flow control
    • G06F9/30058—Conditional branch instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30189—Instruction operation extension or modification according to execution mode, e.g. mode flag
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3842—Speculative instruction execution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
    • G06F9/3875—Pipelining a single stage, e.g. superpipelining
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
    • G06F2207/7219—Countermeasures against side channel or fault attacks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2123—Dummy operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Mathematical Physics (AREA)
  • Executing Machine-Instructions (AREA)
  • Storage Device Security (AREA)
  • Advance Control (AREA)
  • Complex Calculations (AREA)
  • Retry When Errors Occur (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2005502327A 2002-12-12 2003-10-06 データ処理システムにおける処理動作マスキング Expired - Lifetime JP4619288B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB0229068.2A GB0229068D0 (en) 2002-12-12 2002-12-12 Instruction timing control within a data processing system
GBGB0302646.5A GB0302646D0 (en) 2002-12-12 2003-02-05 Processing activity masking in a data processing system
GBGB0302650.7A GB0302650D0 (en) 2002-12-12 2003-02-05 Processing activity masking in a data processing system
GB0307823A GB2396229B (en) 2002-12-12 2003-04-04 Processing activity masking in a data processing system
PCT/GB2003/004261 WO2004053662A2 (en) 2002-12-12 2003-10-06 Processing activity masking in a data processing system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010185224A Division JP2010282651A (ja) 2002-12-12 2010-08-20 データ処理システムにおける処理動作マスキング

Publications (3)

Publication Number Publication Date
JP2006522375A JP2006522375A (ja) 2006-09-28
JP2006522375A5 JP2006522375A5 (enExample) 2006-11-09
JP4619288B2 true JP4619288B2 (ja) 2011-01-26

Family

ID=32512449

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2005502327A Expired - Lifetime JP4619288B2 (ja) 2002-12-12 2003-10-06 データ処理システムにおける処理動作マスキング
JP2005502328A Expired - Lifetime JP3848965B2 (ja) 2002-12-12 2003-10-06 データ処理装置内の命令タイミング制御
JP2005502326A Expired - Fee Related JP4511461B2 (ja) 2002-12-12 2003-10-06 データ処理システムでの処理動作マスキング
JP2005502329A Pending JP2006510998A (ja) 2002-12-12 2003-10-06 データ処理システム内の処理アクティビティのマスキング

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2005502328A Expired - Lifetime JP3848965B2 (ja) 2002-12-12 2003-10-06 データ処理装置内の命令タイミング制御
JP2005502326A Expired - Fee Related JP4511461B2 (ja) 2002-12-12 2003-10-06 データ処理システムでの処理動作マスキング
JP2005502329A Pending JP2006510998A (ja) 2002-12-12 2003-10-06 データ処理システム内の処理アクティビティのマスキング

Country Status (4)

Country Link
US (4) US7313677B2 (enExample)
JP (4) JP4619288B2 (enExample)
GB (3) GB2406943B (enExample)
WO (4) WO2004053685A1 (enExample)

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Also Published As

Publication number Publication date
JP4511461B2 (ja) 2010-07-28
JP2006510998A (ja) 2006-03-30
US7426629B2 (en) 2008-09-16
WO2004053685A1 (en) 2004-06-24
WO2004053684A2 (en) 2004-06-24
GB0423310D0 (en) 2004-11-24
US20050289331A1 (en) 2005-12-29
GB2406943A (en) 2005-04-13
JP2006510126A (ja) 2006-03-23
US7134003B2 (en) 2006-11-07
WO2004053683A2 (en) 2004-06-24
WO2004053662A3 (en) 2004-08-12
GB2406943B (en) 2005-10-05
US7313677B2 (en) 2007-12-25
WO2004053683A3 (en) 2004-08-05
JP3848965B2 (ja) 2006-11-22
GB0501017D0 (en) 2005-02-23
WO2004053662A2 (en) 2004-06-24
GB2406684B (en) 2005-08-24
GB2403572B (en) 2005-11-09
JP2006510127A (ja) 2006-03-23
GB0502061D0 (en) 2005-03-09
US20060155962A1 (en) 2006-07-13
JP2006522375A (ja) 2006-09-28
GB2406684A (en) 2005-04-06
WO2004053684A3 (en) 2004-08-12
US20060117167A1 (en) 2006-06-01
GB2403572A (en) 2005-01-05
US20060036833A1 (en) 2006-02-16

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