X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=grain_h_lutgen.c;fp=grain_h_lutgen.c;h=0000000000000000000000000000000000000000;hb=6bca96e560e6097aa5b225fad67f2e2a27f4182f;hp=4b5ede074a157d3d52eb0a3cb21895314829fe7e;hpb=96ebafd201c9e8441c7677577b24aa402c1defc6;p=avr-crypto-lib.git

diff --git a/grain_h_lutgen.c b/grain_h_lutgen.c
deleted file mode 100644
index 4b5ede0..0000000
--- a/grain_h_lutgen.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/**
- * 
- * author: Daniel Otte
- * email:  daniel.otte@rub.de
- * license: GPLv3
- *
- * this program generate a lookuptable for the h-function in grain 
- */
-
-#include <stdint.h>
-#include <stdio.h>
-
-#define X(i) ((x)>>((i)))
-uint8_t h(uint8_t x){
-	uint8_t h;
-	
-	h = (X(1)) ^ (X(4)) ^ 
-	    (X(0)&X(3)) ^ (X(2)&X(3)) ^ (X(3)&X(4)) ^ 
-	    (X(0)&X(1)&X(2)) ^ (X(0)&X(2)&X(3)) ^ (X(0)&X(2)&X(4)) ^ 
-	    (X(1)&X(2)&X(4)) ^ (X(2)&X(3)&X(4)) ;
-	
-	return h&1;
-}
-
-int main(void){
-	uint8_t i; 
-	uint32_t lut;
-	puts(
-	"/* \n"
-	" * author: Daniel Otte \n"
-	" * email:  daniel.otte@rub.de  \n"
-	" * license: GPLv3 \n"
-	" *  \n"
-	" * this program generate a lookuptable for the h-function in grain  \n"
-	" *  \n"
-	" */ \n");
-	puts("/* \n"
-	     " * x0 x1 x2 x3 x4 - h");
-	
-	for(i=0; i<0x20; ++i){
-		printf(" *  %c  %c  %c  %c  %c - %c\n",
-			(i&0x01)?'1':'0',
-			(i&0x02)?'1':'0',
-			(i&0x04)?'1':'0',
-			(i&0x08)?'1':'0',
-			(i&0x10)?'1':'0',
-			(h(i))?'1':'0' );
-			lut >>=1;
-			lut |= h(i)?0x80000000:0x00000000;
-			if(i%4==3){	
-				puts(" * --");
-			}
-	}
-	puts(" */\n");
-	printf(" uint8_t lut[4]= {0x%2.2X, 0x%2.2X, 0x%2.2X, 0x%2.2X} \n",
-		lut&0xFF, (lut>>8)&0xFF, (lut>>16)&0xFF, (lut>>24)&0xFF);
-		
-	return 0; 
-}
-