GB0023699D0 - Executing a combined instruction - Google Patents

Executing a combined instruction

Info

Publication number
GB0023699D0
GB0023699D0 GBGB0023699.2A GB0023699A GB0023699D0 GB 0023699 D0 GB0023699 D0 GB 0023699D0 GB 0023699 A GB0023699 A GB 0023699A GB 0023699 D0 GB0023699 D0 GB 0023699D0
Authority
GB
United Kingdom
Prior art keywords
executing
combined instruction
instruction
combined
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.)
Ceased
Application number
GBGB0023699.2A
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.)
University of Bristol
Original Assignee
University of Bristol
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 University of Bristol filed Critical University of Bristol
Priority to GBGB0023699.2A priority Critical patent/GB0023699D0/en
Publication of GB0023699D0 publication Critical patent/GB0023699D0/en
Priority to AU2001290114A priority patent/AU2001290114A1/en
Priority to PCT/GB2001/004301 priority patent/WO2002027474A1/en
Ceased legal-status Critical Current

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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/003—Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • 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
    • G06F21/70—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; CALCULATING OR 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
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/3001—Arithmetic instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/325—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for loops, e.g. loop detection or loop counter
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/3838—Dependency mechanisms, e.g. register scoreboarding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations

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 Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
GBGB0023699.2A 2000-09-27 2000-09-27 Executing a combined instruction Ceased GB0023699D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0023699.2A GB0023699D0 (en) 2000-09-27 2000-09-27 Executing a combined instruction
AU2001290114A AU2001290114A1 (en) 2000-09-27 2001-09-26 Executing a combined instruction
PCT/GB2001/004301 WO2002027474A1 (en) 2000-09-27 2001-09-26 Executing a combined instruction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0023699.2A GB0023699D0 (en) 2000-09-27 2000-09-27 Executing a combined instruction

Publications (1)

Publication Number Publication Date
GB0023699D0 true GB0023699D0 (en) 2000-11-08

Family

ID=9900251

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0023699.2A Ceased GB0023699D0 (en) 2000-09-27 2000-09-27 Executing a combined instruction

Country Status (3)

Country Link
AU (1) AU2001290114A1 (en)
GB (1) GB0023699D0 (en)
WO (1) WO2002027474A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2382672B (en) * 2001-10-31 2005-10-05 Alphamosaic Ltd Repeated instruction execution
FR2849232B1 (en) * 2002-12-24 2005-02-25 Trusted Logic METHOD FOR SECURING COMPUTER SYSTEMS INCORPORATING A CODE INTERPRETATION MODULE
DE10307797B4 (en) * 2003-02-24 2010-11-11 Infineon Technologies Ag Device and method for determining an irregularity in a sequence of a utility
WO2005029489A1 (en) * 2003-09-25 2005-03-31 Samsung Electronics Co., Ltd. Apparatus and method for displaying multimedia data combined with text data and recording medium containing a program for performing the same method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000039995A (en) * 1998-06-25 2000-02-08 Texas Instr Inc <Ti> Flexible accumulate register file to be used in high performance microprocessor
ATE474278T1 (en) * 1998-07-31 2010-07-15 Nxp Bv DATA PROCESSING DEVICE WITH MEANS FOR COUNTERACTING ANALYSIS PROCESSES FOR DISCOVERING A SECRET CHARACTERISTIC VALUE
JP2000165375A (en) * 1998-11-30 2000-06-16 Hitachi Ltd Information processor and ic card

Also Published As

Publication number Publication date
WO2002027474A1 (en) 2002-04-04
AU2001290114A1 (en) 2002-04-08

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)