A New Version of Grain-128 with Authentication

Martin Ågren, Martin Hell, Thomas Johansson, Willi Meier

Research output: Contribution to conferencePaper, not in proceedingpeer-review

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A new version of the stream cipher Grain-128 is proposed. The new version, Grain-128a, is strengthened against all known attacks and observations on the original Grain-128, and has built-in support for authentication. The changes are modest, keeping the basic structure of Grain-128. This gives a high confidence in Grain-128a and allows for easy updating of existing implementations.
Original languageEnglish
Number of pages19
Publication statusPublished - 2011
EventSymmetric Key Encryption Workshop 2011 - Lyngby, Denmark
Duration: 2011 Feb 162011 Feb 17


ConferenceSymmetric Key Encryption Workshop 2011

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering


  • Grain-128a
  • Message Authentication
  • MAC
  • Stream Cipher
  • Cryptographic Primitive
  • Hardware Attractive
  • Lightweight

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