Commit c78515f5 authored by Bodo Möller's avatar Bodo Möller
Browse files

comments etc.

parent 3ba1f111

crypto/ec/ec_mult.c

+3 −3
Original line number Diff line number Diff line
@@ -68,7 +68,7 @@ 






/* Determine the width-(w+1) Non-Adjacent Form of 'scalar'.

/* Determine the width-(w+1) Non-Adjacent Form (wNAF) of 'scalar'.

 * This is an array  r[]  of values that are either zero or odd with an

 * absolute value less than  2^w  satisfying

 *     scalar = \sum_j r[j]*2^j
@@ -87,7 +87,7 @@ static signed char *compute_wNAF(const BIGNUM *scalar, int w, size_t *ret_len, B 
	c = BN_CTX_get(ctx);

	if (c == NULL) goto err;

	

	if (w <= 0 || w > 7) /* 'unsigned char' can represent integers with absolute values less than 2^7 */

	if (w <= 0 || w > 7) /* 'signed char' can represent integers with absolute values less than 2^7 */

		{

		ECerr(EC_F_COMPUTE_WNAF, ERR_R_INTERNAL_ERROR);

		goto err;
@@ -197,9 +197,9 @@ int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, 
	int r_is_inverted = 0;

	int r_is_at_infinity = 1;

	size_t *wsize = NULL; /* individual window sizes */

	signed char **wNAF = NULL; /* individual wNAFs */

	size_t *wNAF_len = NULL;

	size_t max_len = 0;

	signed char **wNAF = NULL; /* individual wNAFs */

	size_t num_val;

	EC_POINT **val = NULL; /* precomputation */

	EC_POINT **v;