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Sober-128

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Title: Sober-128  
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Subject: Stream cipher, SOBER, F-FCSR, MOSQUITO, Scream (cipher)
Collection: Broken Stream Ciphers, Stream Ciphers
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Sober-128

SOBER-128 is a synchronous stream cipher designed by Hawkes and Rose (2003) and is a member of the SOBER family of ciphers. SOBER-128 was also designed to provide MAC (Message authentication code) functionality.

Watanabe and Furuya (2004) showed a weakness in the MAC generation of SOBER-128 which means an attack could forge a message with probability 2−6. MAC functionality was deleted by Qualcomm from SOBER-128 reference code.

SOBER-128 takes a key up to 128-bits in length.

See also

References

  • Dai Watanabe and Soichi Furuya, A MAC Forgery Attack on SOBER-128, FSE 2004. pp472–482.
  • Philip Hawkes and Greg Rose, Primitive Specification for SOBER-128, IACR ePrint archive, 2003.

External links

  • SOBER 128 page at Qualcomm Open Source


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