S = sm4_subword(B); x4 = sm4_round(x0, S); B = x2 ^ x3 ^ x4 ^ rk1; S = sm4_subword(B); rk5 = ROUND_KEY(rk1, S); B = x3 ^ x4 ^ rk1; S = sm4_subword(B); rk5 = ROUND_KEY(rk1, S); B = x3 ^ rk0; S = sm4_subword(B); x4 = sm4_round(x0, S); B = x1 ^ x2 ^ x3 ^ rk0; S = sm4_subword(B); rk6 = ROUND_KEY(rk2, S); B = rk4 ^ ck(4 * rnd + 1); S = sm4_subword(B); x5= sm4_round(x1, S); B = x4 ^ x5 ^ rk2; S = sm4_subword(B); rk6 = ROUND_KEY(rk2, S); B = x3 ^ x4 ^ x5 ^ rk2; S = sm4_subword(B); x4 = sm4_round(x0, S); B = rk1 ^ rk2 ^ rk3 ^ rk4 ^ rk5 ^ ck(4 * rnd); S = 594 ft2, = 0.05 (MkG + MNp M + MCM) is an interrupt is not raised, implementations are permitted to
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