The eSTREAM Project

  • Matthew Robshaw
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4986)


The origins of eSTREAM can be traced back to the 2004 RSA Data Security Conference. There, as part of the Cryptographer’s Panel, Adi Shamir made some insightful comments on the state of stream ciphers. In particular, with AES [8] deployment being so wide-spread, Shamir wondered whether there remained a need for a stream cipher of dedicated design. As arguments against, one might observe that for most applications, the use of the AES in an appropriate stream cipher mode [9] frequently offers a perfectly adequate solution. Some also doubt our understanding of how best to design a dedicated stream cipher, a view somewhat supported by the lack of surviving stream ciphers in the NESSIE project [1]. However, as counter-arguments Shamir went on to identify two areas where a dedicated stream cipher might conceivably offer some advantage over block ciphers: (1) where exceptionally high throughput is required in software and (2) where exceptionally low resource consumption is required in hardware.


Block Cipher Advance Encryption Standard Stream Cipher Restricted Resource Hardware Application 
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  1. 1.
    New European Schemes for Signatures, Integrity, and Encryption (NESSIE),
  2. 2.
    ECRYPT. The eSTREAM project,
  3. 3.
    eSTREAM. SKEW - Symmetric Key Encryption Workshop (May 26-27, 2005),
  4. 4.
    eSTREAM. SASC - The State of the Art of Stream Ciphers (October 14-15, 2004),
  5. 5.
    eSTREAM. SASC 2006 - Stream Ciphers Revisited (February 2-3, 2006),
  6. 6.
    eSTREAM. SASC 2007 - The State of the Art of Stream Ciphers (January 31 - February 1, 2007),
  7. 7.
    eSTREAM. SASC 2008 - The State of the Art of Stream Ciphers (February 13-14, 2008),
  8. 8.
    National Institute of Standards and Technology. FIPS 197: Advanced Encryption Standard (November 2001),
  9. 9.
    National Institute of Standards and Technology. SP800-38A: Recommendation for Block Cipher Modes of Operation (December 2001),

Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Matthew Robshaw
    • 1
  1. 1.Orange Labs Issy les Moulineaux, Cedex 9France

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