oops some imortant thigs were commented out

diff --git a/seed-stub.c b/seed-stub.c
index ff6448978a213903f3b15e48a1cb499736644c52..fa3b75ccc71b5e2d9ef6c449d20b3b6d4ba6dfa4 100644 (file)
--- a/seed-stub.c
+++ b/seed-stub.c
@@ -28,10 +28,29 @@
 #include <stdint.h>
 #include <avr/pgmspace.h>
 #include <string.h>
-#include "seed_sbox.h"
 #include "uart.h"
 #include "debug.h"
 
+/* key constants */
+uint32_t seed_kc[16] PROGMEM ={
+       0xb979379e, 
+       0x73f36e3c,
+       0xe6e6dd78, 
+       0xcccdbbf1, 
+       0x999b77e3, 
+       0x3337efc6, 
+       0x676ede8d, 
+       0xcfdcbc1b, 
+       0x9eb97937,
+       0x3c73f36e,     
+       0x78e6e6dd,
+       0xf1cccdbb,
+       0xe3999b77,
+       0xc63337ef,
+       0x8d676ede,
+       0x1bcfdcbc
+};
+
 
 static uint64_t f_function(uint64_t a, uint32_t k0, uint32_t k1);
 uint32_t g_function(uint32_t x);
@@ -83,39 +102,7 @@ uint64_t f_function(uint64_t a, uint32_t k0, uint32_t k1){
        return a;
 }
 
-/******************************************************************************/
-#if 0
-#define M0 0xfc
-#define M1 0xf3
-#define M2 0xcf
-#define M3 0x3f
-
-#define X3 (((uint8_t*)(&x))[0])
-#define X2 (((uint8_t*)(&x))[1])
-#define X1 (((uint8_t*)(&x))[2])
-#define X0 (((uint8_t*)(&x))[3])
-
-#define Z3 (((uint8_t*)(&z))[0])
-#define Z2 (((uint8_t*)(&z))[1])
-#define Z1 (((uint8_t*)(&z))[2])
-#define Z0 (((uint8_t*)(&z))[3])
 
-static
-uint32_t g_function(uint32_t x){
-       uint32_t z;
-       /* sbox substitution */
-       X3 = pgm_read_byte(&(seed_sbox2[X3]));
-       X2 = pgm_read_byte(&(seed_sbox1[X2]));
-       X1 = pgm_read_byte(&(seed_sbox2[X1]));
-       X0 = pgm_read_byte(&(seed_sbox1[X0]));
-       /* now the permutation */
-       Z0 = (X0 & M0) ^ (X1 & M1) ^ (X2 & M2) ^ (X3 & M3);
-       Z1 = (X0 & M1) ^ (X1 & M2) ^ (X2 & M3) ^ (X3 & M0);
-       Z2 = (X0 & M2) ^ (X1 & M3) ^ (X2 & M0) ^ (X3 & M1);
-       Z3 = (X0 & M3) ^ (X1 & M0) ^ (X2 & M1) ^ (X3 & M2);
-       return z;
-}
-#endif
 /******************************************************************************/
 typedef struct {
        uint32_t k0, k1;

diff --git a/seed_C.c b/seed_C.c
index f055e7f4a28e6d5b12226d7afff9d5754106c2a6..2f9b8d0a196bd243ac14aa2d882310ef43184999 100644 (file)
--- a/seed_C.c
+++ b/seed_C.c
@@ -32,6 +32,9 @@
 #include "uart.h"
 #include "debug.h"
 
+
+static
+uint32_t g_function(uint32_t x);
 /******************************************************************************/
 
 static

diff --git a/seed_sbox.h b/seed_sbox.h
index 91ce4c66a74191846dc17fec80e2eebe5e36a78e..eafecc6141e3c203dba6b033981e2d3341fb333b 100644 (file)
--- a/seed_sbox.h
+++ b/seed_sbox.h
@@ -31,7 +31,7 @@
 
 #include <stdint.h>
 #include <avr/pgmspace.h>
-/*
+
 uint8_t seed_sbox1[256] PROGMEM ={
        169,  133,  214,  211,   84,   29,  172,   37, 
         93,   67,   24,   30,   81,  252,  202,   99, 
@@ -101,7 +101,7 @@ uint8_t seed_sbox2[256] PROGMEM ={
         55,  231,   36,  164,  203,   83,   10,  135, 
        217,   76,  131,  143,  206,   59,   74,  183 
 };
-*/
+
 /* key constants */
 uint32_t seed_kc[16] PROGMEM ={
        0xb979379e,