From: bg <daniel.otte@rub.de>
Date: Thu, 24 Feb 2011 01:13:25 +0000 (+0100)
Subject: bigint looks good but needs more testing
X-Git-Url: https://git.cryptolib.org/?p=arm-crypto-lib.git;a=commitdiff_plain;h=8fa939d627fb6230610a38e6468cbc55d006216d

bigint looks good but needs more testing
---

diff --git a/bigint/bigint.c b/bigint/bigint.c
index d7ee059..c133faa 100644
--- a/bigint/bigint.c
+++ b/bigint/bigint.c
@@ -675,9 +675,9 @@ void bigint_expmod_u(bigint_t* dest, const bigint_t* a, const bigint_t* exp, con
 	}
 
 	bigint_t res, base;
-	bigint_word_t base_b[MAX(a->length_B,r->length_B*2)], res_b[r->length_B*2];
+	bigint_word_t t, base_b[MAX(a->length_B,r->length_B*2)], res_b[r->length_B*2];
 	uint16_t i;
-	uint8_t j, t;
+	uint8_t j;
 	res.wordv = res_b;
 	base.wordv = base_b;
 	bigint_copy(&base, a);
@@ -688,7 +688,7 @@ void bigint_expmod_u(bigint_t* dest, const bigint_t* a, const bigint_t* exp, con
 	bigint_adjust(&res);
 	for(i=0; i+1<exp->length_B; ++i){
 		t=exp->wordv[i];
-		for(j=0; j<8; ++j){
+		for(j=0; j<BIGINT_WORD_SIZE; ++j){
 			if(t&1){
 				bigint_mul_u(&res, &res, &base);
 				bigint_reduce(&res, r);
@@ -738,8 +738,8 @@ void bigint_gcdext(bigint_t* gcd, bigint_t* a, bigint_t* b, const bigint_t* x, c
 	 x_.info = y_.info = 0;
 	 x_.length_B = x->length_B-i;
 	 y_.length_B = y->length_B-i;
-	 memcpy(x_.wordv, x->wordv+i, x_.length_B);
-	 memcpy(y_.wordv, y->wordv+i, y_.length_B);
+	 memcpy(x_.wordv, x->wordv+i, x_.length_B*sizeof(bigint_word_t));
+	 memcpy(y_.wordv, y->wordv+i, y_.length_B*sizeof(bigint_word_t));
 	 for(i=0; (x_.wordv[0]&(1<<i))==0 && (y_.wordv[0]&(1<<i))==0; ++i){
 	 }
 
diff --git a/test_src/config.h b/test_src/config.h
index 1ca7bde..742de1e 100644
--- a/test_src/config.h
+++ b/test_src/config.h
@@ -21,7 +21,7 @@
 
 #include "sysclock.h"
 
-#define SYS_FREQ SYS_FREQ_50MHZ000
+#define SYS_FREQ SYS_FREQ_80MHZ000
 
 #endif