SG136033A1 - Table splitting for cryptographic processes - Google Patents

Table splitting for cryptographic processes

Info

Publication number
SG136033A1
SG136033A1 SG200700911-1A SG2007009111A SG136033A1 SG 136033 A1 SG136033 A1 SG 136033A1 SG 2007009111 A SG2007009111 A SG 2007009111A SG 136033 A1 SG136033 A1 SG 136033A1
Authority
SG
Singapore
Prior art keywords
masked
split
tables
cryptographic process
substitution tables
Prior art date
Application number
SG200700911-1A
Other languages
English (en)
Inventor
Catherine Helen Gebotys
Original Assignee
Research In Motion 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
Application filed by Research In Motion Ltd filed Critical Research In Motion Ltd
Publication of SG136033A1 publication Critical patent/SG136033A1/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
    • H04L9/002—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
    • 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
    • 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
    • H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
    • 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
    • H04L2209/043—Masking or blinding of tables, e.g. lookup, substitution or mapping
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Table Devices Or Equipment (AREA)
SG200700911-1A 2006-03-07 2007-02-06 Table splitting for cryptographic processes SG136033A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06110747A EP1833190B1 (en) 2006-03-07 2006-03-07 Table splitting for cryptographic processes

Publications (1)

Publication Number Publication Date
SG136033A1 true SG136033A1 (en) 2007-10-29

Family

ID=36676717

Family Applications (2)

Application Number Title Priority Date Filing Date
SG200700911-1A SG136033A1 (en) 2006-03-07 2007-02-06 Table splitting for cryptographic processes
SG200907423-8A SG157375A1 (en) 2006-03-07 2007-02-06 Table splitting for cryptographic processes

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG200907423-8A SG157375A1 (en) 2006-03-07 2007-02-06 Table splitting for cryptographic processes

Country Status (6)

Country Link
EP (1) EP1833190B1 (zh)
CN (1) CN101034978B (zh)
AT (1) ATE476803T1 (zh)
CA (1) CA2578316C (zh)
DE (1) DE602006015902D1 (zh)
SG (2) SG136033A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7899190B2 (en) 2004-04-16 2011-03-01 Research In Motion Limited Security countermeasures for power analysis attacks
US7848514B2 (en) 2004-05-24 2010-12-07 Research In Motion Limited Table masking for resistance to power analysis attacks
WO2009074727A1 (fr) * 2007-12-13 2009-06-18 Oberthur Technologies Procede d'acces a un sous-mot dans un mot binaire, dispositif et programme associes
US8473751B2 (en) 2007-12-13 2013-06-25 Oberthur Technologies Method for cryptographic data processing, particularly using an S box, and related device and software
CN101729241B (zh) * 2008-10-23 2012-01-25 国民技术股份有限公司 抵御差分能量攻击的aes加密方法
ES2573644T3 (es) 2009-12-30 2016-06-09 Koninklijke Philips N.V. Procedimiento de generación de tabla de consulta para una caja blanca criptográfica
EP2363974A1 (en) * 2010-02-26 2011-09-07 Research In Motion Limited Variable table masking for cryptographic processes
DE102012018924A1 (de) * 2012-09-25 2014-03-27 Giesecke & Devrient Gmbh Seitenkanalgeschützte Maskierung
CN103413084B (zh) * 2013-07-22 2016-07-06 中国联合网络通信集团有限公司 密码框显示内容的控制方法及装置
CN103647637B (zh) * 2013-11-19 2017-01-04 国家密码管理局商用密码检测中心 一种对简单掩码的sm4算法进行二阶侧信道能量分析方法
DE102014016548A1 (de) * 2014-11-10 2016-05-12 Giesecke & Devrient Gmbh Verfahren zum Testen und zum Härten von Softwareapplikationen
CN107547194A (zh) * 2016-06-28 2018-01-05 埃沙尔公司 免受侧信道分析的保护方法和设备
CN115348066B (zh) * 2022-08-05 2023-03-28 昆仑数智科技有限责任公司 数据加密传输方法、装置及电子设备、存储介质
JP2024053189A (ja) * 2022-10-03 2024-04-15 キヤノン株式会社 暗号処理装置、暗号処理装置の暗号処理方法およびプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4596686B2 (ja) * 2001-06-13 2010-12-08 富士通株式会社 Ｄｐａに対して安全な暗号化
US7899190B2 (en) * 2004-04-16 2011-03-01 Research In Motion Limited Security countermeasures for power analysis attacks
DE602004003226T2 (de) * 2004-05-24 2007-03-29 Research In Motion Ltd., Waterloo Tabellenmaskierung zur Beständigkeit gegen Angriffe durch Analyse der Leistungsaufnahme.

Also Published As

Publication number Publication date
CA2578316C (en) 2011-11-08
CA2578316A1 (en) 2007-09-07
CN101034978B (zh) 2013-09-04
DE602006015902D1 (de) 2010-09-16
SG157375A1 (en) 2009-12-29
EP1833190B1 (en) 2010-08-04
EP1833190A1 (en) 2007-09-12
CN101034978A (zh) 2007-09-12
ATE476803T1 (de) 2010-08-15

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