X-Git-Url: https://git.cryptolib.org/avr-crypto-lib.git?a=blobdiff_plain;f=jh%2Fjh_simple_speed_core.c;h=46a2bfae8d3a080d074badb77a973cabe9f69f05;hb=3a9f9d918fb95474996af535c225a7e187d88372;hp=47a2938201db3d099ddfca31c420fde43be1bf60;hpb=d1181933dc28db92d787cf5604e2fc96ab0d8f9f;p=avr-crypto-lib.git

diff --git a/jh/jh_simple_speed_core.c b/jh/jh_simple_speed_core.c
index 47a2938..46a2bfa 100644
--- a/jh/jh_simple_speed_core.c
+++ b/jh/jh_simple_speed_core.c
@@ -32,9 +32,9 @@
 #endif
 
 static
-void jh_round(uint8_t* a, uint8_t roundno){
+void jh_round(uint8_t *a, uint8_t roundno){
 	uint8_t b[128];
-	uint8_t i,r,u,v,x,y;
+	uint8_t i,r=0,u,v,x,y;
 	uint8_t *pr;
 	pr = jh_round_const + 32*roundno;
 	for(i=0; i<128; ++i){
@@ -63,6 +63,7 @@ void jh_round(uint8_t* a, uint8_t roundno){
 	}
 }
 
+/*
 static
 uint8_t jh_l_inv(uint8_t a){
 	uint8_t v,w;
@@ -72,6 +73,7 @@ uint8_t jh_l_inv(uint8_t a){
 	w ^= ((v<<1)^(v>>3)^((v>>2)&2))&0xf;
 	return w|(v<<4);
 }
+*/
 
 static inline
 void group(uint8_t *a){
@@ -111,7 +113,7 @@ void degroup(uint8_t *a){
 	memcpy(a,b,128);
 }
 
-void jh_encrypt(uint8_t* a){
+void jh_encrypt(uint8_t *a){
 	uint8_t i;
 	/* grouping */
 #if DEBUG
@@ -119,20 +121,10 @@ void jh_encrypt(uint8_t* a){
 	cli_hexdump_block(a, 128, 4, 16);
 #endif
 	group(a);
-	for(i=0;i<35;++i){
+	for(i=0;i<42;++i){
 		jh_round(a, i);
 	}
-	uint8_t r=0;
-	uint8_t *pr;
 
-	pr = jh_round_const + 32*35;
-	for(i=0; i<128; ++i){
-		if(i%4==0){
-			r = pgm_read_byte(pr++);
-		}
-		a[i]=jh_l_inv(pgm_read_byte(&(jh_lutbox[((r&0xC0)<<2)|a[i]])));
-		r<<=2;
-	}
 	/* degrouping */
 #if DEBUG
 	cli_putstr_P(PSTR("\r\n== pre degroup ==\r\n"));