Improved Single-Key Attacks on 2-GOST

Table 2

Key schedule of GOST.

Round	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Subkey	K^0	K^1	K^2	K^3	K^4	K^5	K^6	K^7	K^0	K^1	K^2	K^3	K^4	K^5	K^6	K^7	K^0	K^1	K^2	K^3	K^4	K^5	K^6	K^7	K^7	K^6	K^5	K^4	K^3	K^2	K^1	K^0