Vivien Dubois Pierre-Alain Fouque Jacques Stern Cryptanalysis of SFLASH with Slightly Modified Parameters. 264-275 2007 conf/eurocrypt/2007 EUROCRYPT http://dx.doi.org/10.1007/978-3-540-72540-4_15 db/conf/eurocrypt/eurocrypt2007.html#DuboisFS07