#include <avr/pgmspace.h>
#include "serpent-sboxes.h"
-uint8_t sbox[] PROGMEM = {
+const uint8_t sbox[] PROGMEM = {
0x38, 0xF1, 0xA6, 0x5B, 0xED, 0x42, 0x70, 0x9C,
0xFC, 0x27, 0x90, 0x5A, 0x1B, 0xE8, 0x6D, 0x34,
0x86, 0x79, 0x3C, 0xAF, 0xD1, 0xE4, 0x0B, 0x52,
}
/******************************************************************************/
-static void sbox128x(uint8_t box, void* w){
+static void sbox128x(uint8_t box, void *w){
uint8_t sb[16];
uint8_t i,t,x;
box &= 0x0f;