size 4078

sha1.c

@@ -27,8 +27,7 @@ void sha1_addbyte(uint8_t c){
 	if(chunk_cnt==64){
 		/*chunk extension*/
 		uint32_t a,b,c,d,e,chunk_e[64];
-		for(i=0; i<64; i++){
+		for(i=0; i<64; ++i){    
-			//chunk_e[i]= _LROT32( _W(i+16-3) ^ _W(i+16-8) ^ _W(i+16-14) ^ _W(i+16-16), 1 );
             chunk_e[i]= _LROT32( _W(i+16-3) ^ _W(i+16-8) ^ _W(i+16-14) ^ _W(i+16-16), 1 );  
 		}
 		a=sha1_digest[4];
@@ -77,13 +76,10 @@ void sha1_fill(int32_t len){
 	/*"append 0-bits to the message to obtain a length of len%512=448"*/
 	/*"append length of message in bits as 64-bit integer"*/
     uint8_t j;
-	for(j=0;j<(120-(len-(len/64)*64+1))%64+1;j++){
+    uint8_t end=(uint8_t)((120-(len-(len/64)*64+1))%64+1);
-		if(j==0){
     sha1_addbyte(0x80);
-		}else{
+	for(j=1;j<end;j++){
 		sha1_addbyte(0x00);
-		
-        }
 	}
 	{
 		uint64_t l=len*8;