GB2443356B - Cryptographic logic circuits and method of performing logic operations - Google Patents

Cryptographic logic circuits and method of performing logic operations

Info

Publication number
GB2443356B
GB2443356B GB0801054A GB0801054A GB2443356B GB 2443356 B GB2443356 B GB 2443356B GB 0801054 A GB0801054 A GB 0801054A GB 0801054 A GB0801054 A GB 0801054A GB 2443356 B GB2443356 B GB 2443356B
Authority
GB
United Kingdom
Prior art keywords
cryptographic
logic
operations
logic circuits
circuits
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.)
Expired - Fee Related
Application number
GB0801054A
Other versions
GB2443356A (en
GB0801054D0 (en
Inventor
Yoo-Jin Baek
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020050007705A external-priority patent/KR100725169B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to GB0801053A priority Critical patent/GB2443355B/en
Priority to GB0801054A priority patent/GB2443356B/en
Publication of GB0801054D0 publication Critical patent/GB0801054D0/en
Publication of GB2443356A publication Critical patent/GB2443356A/en
Application granted granted Critical
Publication of GB2443356B publication Critical patent/GB2443356B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H04L9/0612—
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • 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
    • H04L2209/04—Masking or blinding
    • H04L2209/046—Masking or blinding of operations, operands or results of the operations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
GB0801054A 2005-01-27 2006-01-13 Cryptographic logic circuits and method of performing logic operations Expired - Fee Related GB2443356B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0801053A GB2443355B (en) 2005-01-27 2006-01-13 Cryptographic logic circuits and method of performing logic operations
GB0801054A GB2443356B (en) 2005-01-27 2006-01-13 Cryptographic logic circuits and method of performing logic operations

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020050007705A KR100725169B1 (en) 2005-01-27 2005-01-27 Apparatus and method for performing logical operation being secure against differential power analysis
GB0801054A GB2443356B (en) 2005-01-27 2006-01-13 Cryptographic logic circuits and method of performing logic operations
GB0600690A GB2422693B (en) 2005-01-27 2006-01-13 Cryptographic logic circuits and method of performing logic operations

Publications (3)

Publication Number Publication Date
GB0801054D0 GB0801054D0 (en) 2008-02-27
GB2443356A GB2443356A (en) 2008-04-30
GB2443356B true GB2443356B (en) 2008-08-06

Family

ID=39273317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0801054A Expired - Fee Related GB2443356B (en) 2005-01-27 2006-01-13 Cryptographic logic circuits and method of performing logic operations

Country Status (1)

Country Link
GB (1) GB2443356B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1553490A2 (en) * 2004-01-07 2005-07-13 Samsung Electronics Co., Ltd. Cryptographic apparatus, cryptographic method, and storage medium thereof
US20050184760A1 (en) * 2004-02-19 2005-08-25 Elena Trichina Logic circuit and method thereof
US20050207571A1 (en) * 2004-03-16 2005-09-22 Ahn Kyoung-Moon Data cipher processors, AES cipher systems, and AES cipher methods using a masking method
WO2006058561A1 (en) * 2004-12-01 2006-06-08 Telecom Italia S.P.A. Method and related device for hardware-oriented conversion between arithmetic and boolean random masking

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1553490A2 (en) * 2004-01-07 2005-07-13 Samsung Electronics Co., Ltd. Cryptographic apparatus, cryptographic method, and storage medium thereof
US20050184760A1 (en) * 2004-02-19 2005-08-25 Elena Trichina Logic circuit and method thereof
US20050207571A1 (en) * 2004-03-16 2005-09-22 Ahn Kyoung-Moon Data cipher processors, AES cipher systems, and AES cipher methods using a masking method
WO2006058561A1 (en) * 2004-12-01 2006-06-08 Telecom Italia S.P.A. Method and related device for hardware-oriented conversion between arithmetic and boolean random masking

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Electronics Letters, IEE, 29 April 2004, vol. 40, no. 9, pp526-528, "Universal masking on logic gate level", Golic and Menicocci, Telecom Italia Lab. Telecom Italia, Turin, Italy *

Also Published As

Publication number Publication date
GB2443356A (en) 2008-04-30
GB0801054D0 (en) 2008-02-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150113