On Multiple Symmetric Fixed Points in GOST

Figures & data

Figure 1 Two symmetric fixed points, a.k.a. Event2 in [15].

Figure 2 Standard symmetric event with 14 active bits for eight rounds.

Figure 3 Two related fixed points for eight rounds (each pair has the same 50 bits).

Figure 4 An approximate fixed point biclique with k = 4.

Figure 5 Triple fixed point (each pair is related and shares the same 50 bits).

Kara, O. and F. Karakoç. 2012. Fixed Points of Special Type and Cryptanalysis of Full GOST. Proceedings CANS 2012, Darmstadt, Germany, December 12-14, Springer LNCS.

 Google Scholar