1 files changed, 6 insertions, 6 deletions

diff --git a/libtommath/bn_mp_mul_2d.c b/libtommath/bn_mp_mul_2d.c
index 4938e57..96aef85 100644
--- a/libtommath/bn_mp_mul_2d.c
+++ b/libtommath/bn_mp_mul_2d.c
@@ -28,14 +28,14 @@ int mp_mul_2d(const mp_int *a, int b, mp_int *c)
       }
    }
 
-   if (c->alloc < (int)(c->used + (b / DIGIT_BIT) + 1)) {
+   if (c->alloc < (c->used + (b / DIGIT_BIT) + 1)) {
       if ((res = mp_grow(c, c->used + (b / DIGIT_BIT) + 1)) != MP_OKAY) {
          return res;
       }
    }
 
    /* shift by as many digits in the bit count */
-   if (b >= (int)DIGIT_BIT) {
+   if (b >= DIGIT_BIT) {
       if ((res = mp_lshd(c, b / DIGIT_BIT)) != MP_OKAY) {
          return res;
       }
@@ -43,15 +43,15 @@ int mp_mul_2d(const mp_int *a, int b, mp_int *c)
 
    /* shift any bit count < DIGIT_BIT */
    d = (mp_digit)(b % DIGIT_BIT);
-   if (d != 0) {
+   if (d != 0u) {
       mp_digit *tmpc, shift, mask, r, rr;
       int x;
 
       /* bitmask for carries */
-      mask = (((mp_digit)1) << d) - 1;
+      mask = ((mp_digit)1 << d) - (mp_digit)1;
 
       /* shift for msbs */
-      shift = DIGIT_BIT - d;
+      shift = (mp_digit)DIGIT_BIT - d;
 
       /* alias */
       tmpc = c->dp;
@@ -71,7 +71,7 @@ int mp_mul_2d(const mp_int *a, int b, mp_int *c)
       }
 
       /* set final carry */
-      if (r != 0) {
+      if (r != 0u) {
          c->dp[(c->used)++] = r;
       }
    }