Outline ECHO round HF Attack round CF Attack Conclusion

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