Improved Cryptanalysis of the Reduced Grøstl Compression Function, ECHO Permutation and AES Block Cipher.

Florian Mendel Thomas Peyrin Christian Rechberger Martin Schläffer Improved Cryptanalysis of the Reduced Grøstl Compression Function, ECHO Permutation and AES Block Cipher. 16-35 2009 Selected Areas in Cryptography https://doi.org/10.1007/978-3-642-05445-7_2 conf/sacrypt/2009 db/conf/sacrypt/sacrypt2009.html#MendelPRS09