/* The matrix SInv is given as two permutations of 160 elements. */
uint8_t j, byteindex, bitindex, bitindex_d, byteindex_d, rp1, rp5;
uint8_t *r1_ptr, *r5_ptr;
/* The matrix SInv is given as two permutations of 160 elements. */
uint8_t j, byteindex, bitindex, bitindex_d, byteindex_d, rp1, rp5;
uint8_t *r1_ptr, *r5_ptr;