Outline ECHO round HF Attack round CF Attack Conclusion

María Naya - Plasencia2

Description

Outline ECHO-256 5-round HF Attack 7-round CF Attack Conclusion Outline Improved Analysis of ECHO-256 Jérémy Jean1 María Naya-Plasencia2 Martin Schläffer3 1École Normale Supérieure, France 2FHNW, Windisch, Switzerland 3IAIK, Graz University of Technology, Austria SAC'2011 – August 11, 2011 SAC'2011 – J. Jean, M. Naya-Plasencia, M. Schläffer – Improved Analysis of ECHO-256 1/23

• attack conclusion


• round cf


• bmc


• start collision


• mc sb


• bsr


• sr mc

Sujets

• University of Graz
• Memory
• Christopher Schläffer

Informations

• Publié par: pefav
• Nombre de lectures: 24
• Langue: English

Extrait

Outline ECHO-256 5-round HF Attack 7-round CF Attack Conclusion
Outline
Improved Analysis of ECHO-256
1 2 3Jérémy Jean María Naya-Plasencia Martin Schläffer
1École Normale Supérieure, France
2FHNW, Windisch, Switzerland
3IAIK, Graz University of Technology, Austria
SAC’2011 – August 11, 2011
SAC’2011 – J. Jean, M. Naya-Plasencia, M. Schläffer – Improved Analysis of ECHO-256 1/23Outline ECHO-256 5-round HF Attack 7-round CF Attack Conclusion
Outline
Outline of the talk
Outline
Previous cryptanalysis
Description of ECHO-256
Collision attack on the 5-round hash function
Distinguisher on the 7-round compression function
Conclusion
SAC’2011 – J. Jean, M. Naya-Plasencia, M. Schläffer – Improved Analysis of ECHO-256 2/23