NDLI: On the security of inclusion or omission of MixColumns in AES cipher

Content Provider	IEEE Xplore Digital Library
Author	AlMarashda, K. AlSalami, Y. Salah, K. Martin, T.
Copyright Year	2011
Description	Author affiliation: Khalifa University of Science, Technology and Research, P.O. Box 573, Sharjah Campus, UAE (AlMarashda, K.; AlSalami, Y.; Salah, K.; Martin, T.)
Abstract	The Rijndael cipher or Advanced Encryption Standard (AES) is the most widely used block cipher these days. It is composed of a number of rounds of transformations. The transformations in each round are similar except for the last round where a linear mixing operation (called MixColumns) is omitted. Since its acceptance in 1999, the designers of the cipher had advocated, and it was widely believed, that the omission of the last round MixColumns has no security implications, and is left out for optimization reasons. However, in mid 2010, it was claimed that such an omission operation may have security implications as it may reduce the time complexity of the majority of attacks targeted against AES. This paper investigates both claims and evaluates the security of the AES when including and omitting the MixColumns operation in AES. The paper also studies the performance overhead when including the MixColumns operation.
Starting Page	34
Ending Page	39
File Size	466913
Page Count	6
File Format	PDF
ISBN	9781457708848
e-ISBN	9781908320001
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-11
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	ICITST
Subject Keyword	Strontium Algorithm design and analysis Schedules Encryption Complexity theory Periodic structures
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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