ATE476803T1 - Tabellenteilung für kryptografische verfahren - Google Patents

Tabellenteilung für kryptografische verfahren

Info

Publication number
ATE476803T1
ATE476803T1 AT06110747T AT06110747T ATE476803T1 AT E476803 T1 ATE476803 T1 AT E476803T1 AT 06110747 T AT06110747 T AT 06110747T AT 06110747 T AT06110747 T AT 06110747T AT E476803 T1 ATE476803 T1 AT E476803T1
Authority
AT
Austria
Prior art keywords
masked
split
tables
cryptographic process
substitution tables
Prior art date
Application number
AT06110747T
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
Application granted granted Critical
Publication of ATE476803T1 publication Critical patent/ATE476803T1/de

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)
AT06110747T 2006-03-07 2006-03-07 Tabellenteilung für kryptografische verfahren ATE476803T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06110747A EP1833190B1 (de) 2006-03-07 2006-03-07 Tabellenteilung für kryptografische Verfahren

Publications (1)

Publication Number Publication Date
ATE476803T1 true ATE476803T1 (de) 2010-08-15

Family

ID=36676717

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06110747T ATE476803T1 (de) 2006-03-07 2006-03-07 Tabellenteilung für kryptografische verfahren

Country Status (6)

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

Families Citing this family (15)

* 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
EP2218208B1 (de) 2007-12-13 2011-06-15 Oberthur Technologies Verfahren für kryptografische datenverarbeitung, insbesondere unter verwendung einer s box und diesbezügliche einrichtung und software
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
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
PL2520041T3 (pl) 2009-12-30 2016-09-30 Sposób generowania tabeli korelacji dla białej skrzynki kryptograficznej
EP2363974A1 (de) * 2010-02-26 2011-09-07 Research In Motion Limited Variable Tabellenmaskierung für kryptographische Verfahren
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
TWI778902B (zh) * 2021-12-30 2022-09-21 新唐科技股份有限公司 加法遮罩值產生器、加密器以及產生串流金鑰的方法
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
ATE345620T1 (de) * 2004-05-24 2006-12-15 Research In Motion Ltd Tabellenmaskierung zur beständigkeit gegen angriffe durch analyse der leistungsaufnahme.

Also Published As

Publication number Publication date
SG157375A1 (en) 2009-12-29
EP1833190B1 (de) 2010-08-04
EP1833190A1 (de) 2007-09-12
CN101034978A (zh) 2007-09-12
CN101034978B (zh) 2013-09-04
CA2578316A1 (en) 2007-09-07
CA2578316C (en) 2011-11-08
SG136033A1 (en) 2007-10-29
DE602006015902D1 (de) 2010-09-16

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