memset, memcpy, sizeof consistency fixes

[openssl.git] / crypto / ec / ecp_nistp256.c

diff --git a/crypto/ec/ecp_nistp256.c b/crypto/ec/ecp_nistp256.c
index 6ec569282c54a542e5009b2eabd89c03af8dbcc2..b4cd24d1fe6b95b84baf80c78cf950e20f6537d4 100644 (file)
--- a/crypto/ec/ecp_nistp256.c
+++ b/crypto/ec/ecp_nistp256.c
@@ -156,7 +156,7 @@ static int BN_to_felem(felem out, const BIGNUM *bn)
     unsigned num_bytes;
 
     /* BN_bn2bin eats leading zeroes */
-    memset(b_out, 0, sizeof b_out);
+    memset(b_out, 0, sizeof(b_out));
     num_bytes = BN_num_bytes(bn);
     if (num_bytes > sizeof b_out) {
         ECerr(EC_F_BN_TO_FELEM, EC_R_BIGNUM_OUT_OF_RANGE);
@@ -1624,7 +1624,8 @@ static void select_point(const u64 idx, unsigned int size,
 {
     unsigned i, j;
     u64 *outlimbs = &out[0][0];
-    memset(outlimbs, 0, 3 * sizeof(smallfelem));
+
+    memset(out, 0, sizeof(out));
 
     for (i = 0; i < size; i++) {
         const u64 *inlimbs = (u64 *)&pre_comp[i][0][0];
@@ -1668,7 +1669,7 @@ static void batch_mul(felem x_out, felem y_out, felem z_out,
     u8 sign, digit;
 
     /* set nq to the point at infinity */
-    memset(nq, 0, 3 * sizeof(felem));
+    memset(nq, 0, sizeof(nq));
 
     /*
      * Loop over all scalars msb-to-lsb, interleaving additions of multiples
@@ -2005,7 +2006,7 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
     BIGNUM *x, *y, *z, *tmp_scalar;
     felem_bytearray g_secret;
     felem_bytearray *secrets = NULL;
-    smallfelem(*pre_comp)[17][3] = NULL;
+    smallfelem (*pre_comp)[17][3] = NULL;
     smallfelem *tmp_smallfelems = NULL;
     felem_bytearray tmp;
     unsigned i, num_bytes;
@@ -2072,11 +2073,11 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
              */
             mixed = 1;
         }
-        secrets = OPENSSL_malloc(num_points * sizeof(felem_bytearray));
-        pre_comp = OPENSSL_malloc(num_points * 17 * 3 * sizeof(smallfelem));
+        secrets = OPENSSL_malloc(sizeof(*secrets) * num_points);
+        pre_comp = OPENSSL_malloc(sizeof(*pre_comp) * num_points);
         if (mixed)
             tmp_smallfelems =
-                OPENSSL_malloc((num_points * 17 + 1) * sizeof(smallfelem));
+              OPENSSL_malloc(sizeof(*tmp_smallfelems) * (num_points * 17 + 1));
         if ((secrets == NULL) || (pre_comp == NULL)
             || (mixed && (tmp_smallfelems == NULL))) {
             ECerr(EC_F_EC_GFP_NISTP256_POINTS_MUL, ERR_R_MALLOC_FAILURE);
@@ -2087,8 +2088,8 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
          * we treat NULL scalars as 0, and NULL points as points at infinity,
          * i.e., they contribute nothing to the linear combination
          */
-        memset(secrets, 0, num_points * sizeof(felem_bytearray));
-        memset(pre_comp, 0, num_points * 17 * 3 * sizeof(smallfelem));
+        memset(secrets, 0, sizeof(*secrets) * num_points);
+        memset(pre_comp, 0, sizeof(*pre_comp) * num_points);
         for (i = 0; i < num_points; ++i) {
             if (i == num)
                 /*