K2
*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
R(d, e, a, b, c, F2, K2, 11, 3);
R(c, d, e, a, b, F2, K2, 13, 10);
R(b, c, d, e, a, F2, K2, 6, 14);
R(a, b, c, d, e, F2, K2, 7, 4);
R(e, a, b, c, d, F2, K2, 14, 9);
R(d, e, a, b, c, F2, K2, 9, 15);
R(c, d, e, a, b, F2, K2, 13, 8);
R(b, c, d, e, a, F2, K2, 15, 1);
R(a, b, c, d, e, F2, K2, 14, 2);
R(e, a, b, c, d, F2, K2, 8, 7);
R(d, e, a, b, c, F2, K2, 13, 0);
R(c, d, e, a, b, F2, K2, 6, 6);
R(b, c, d, e, a, F2, K2, 5, 13);
R(a, b, c, d, e, F2, K2, 12, 11);
R(e, a, b, c, d, F2, K2, 7, 5);
R(d, e, a, b, c, F2, K2, 5, 12); /* #47 */
R(d, e, a, b, c, F2, K2, 11, 3);
R(c, d, e, a, b, F2, K2, 13, 10);
R(b, c, d, e, a, F2, K2, 6, 14);
R(a, b, c, d, e, F2, K2, 7, 4);
R(e, a, b, c, d, F2, K2, 14, 9);
R(d, e, a, b, c, F2, K2, 9, 15);
R(c, d, e, a, b, F2, K2, 13, 8);
R(b, c, d, e, a, F2, K2, 15, 1);
R(a, b, c, d, e, F2, K2, 14, 2);
R(e, a, b, c, d, F2, K2, 8, 7);
R(d, e, a, b, c, F2, K2, 13, 0);
R(c, d, e, a, b, F2, K2, 6, 6);
R(b, c, d, e, a, F2, K2, 5, 13);
R(a, b, c, d, e, F2, K2, 12, 11);
R(e, a, b, c, d, F2, K2, 7, 5);
R(d, e, a, b, c, F2, K2, 5, 12); /* #47 */
int8_t K1, K2;
K2 = signextend(s1->rbexp >> 4, 4);
val = ipow(M * v, K2 + adj) + ipow(B, K1 + K2 + adj);
uint8_t K2[16];