56 static uint64_t GetNibble(uint64_t in_data, int position) {  in GetNibble()  argument
57   return (in_data >> position) & 0xf;  in GetNibble()
60 static uint64_t ShuffleNibbles(uint64_t in_data) {  in ShuffleNibbles()  argument
65     out_data |= GetNibble(in_data, in_positions[i]) << (4 * i);  in ShuffleNibbles()
70 static uint64_t SubstituteNibbles(uint64_t in_data) {  in SubstituteNibbles()  argument
76     int index = (in_data >> (4 * i)) & 0xf;  in SubstituteNibbles()
91 static uint64_t BigShuffle(uint64_t in_data) {  in BigShuffle()  argument
94     uint64_t n12 = GetNibble(in_data, 4 * (i + 12));  in BigShuffle()
95     uint64_t n8 = GetNibble(in_data, 4 * (i + 8));  in BigShuffle()
96     uint64_t n4 = GetNibble(in_data, 4 * (i + 4));  in BigShuffle()
97     uint64_t n0 = GetNibble(in_data, 4 * (i + 0));  in BigShuffle()