1 files changed, 39 insertions, 38 deletions
diff --git a/libtommath/bn_mp_prime_is_prime.c b/libtommath/bn_mp_prime_is_prime.c
index 3eda4fd..e97712d 100644
--- a/libtommath/bn_mp_prime_is_prime.c
+++ b/libtommath/bn_mp_prime_is_prime.c
@@ -22,59 +22,60 @@
  *
  * Sets result to 1 if probably prime, 0 otherwise
  */
-int mp_prime_is_prime (mp_int * a, int t, int *result)
+int mp_prime_is_prime(const mp_int *a, int t, int *result)
 {
-  mp_int  b;
-  int     ix, err, res;
+   mp_int  b;
+   int     ix, err, res;
 
-  /* default to no */
-  *result = MP_NO;
+   /* default to no */
+   *result = MP_NO;
 
-  /* valid value of t? */
-  if ((t <= 0) || (t > PRIME_SIZE)) {
-    return MP_VAL;
-  }
+   /* valid value of t? */
+   if ((t <= 0) || (t > PRIME_SIZE)) {
+      return MP_VAL;
+   }
 
-  /* is the input equal to one of the primes in the table? */
-  for (ix = 0; ix < PRIME_SIZE; ix++) {
+   /* is the input equal to one of the primes in the table? */
+   for (ix = 0; ix < PRIME_SIZE; ix++) {
       if (mp_cmp_d(a, ltm_prime_tab[ix]) == MP_EQ) {
          *result = 1;
          return MP_OKAY;
       }
-  }
+   }
 
-  /* first perform trial division */
-  if ((err = mp_prime_is_divisible (a, &res)) != MP_OKAY) {
-    return err;
-  }
+   /* first perform trial division */
+   if ((err = mp_prime_is_divisible(a, &res)) != MP_OKAY) {
+      return err;
+   }
 
-  /* return if it was trivially divisible */
-  if (res == MP_YES) {
-    return MP_OKAY;
-  }
+   /* return if it was trivially divisible */
+   if (res == MP_YES) {
+      return MP_OKAY;
+   }
 
-  /* now perform the miller-rabin rounds */
-  if ((err = mp_init (&b)) != MP_OKAY) {
-    return err;
-  }
+   /* now perform the miller-rabin rounds */
+   if ((err = mp_init(&b)) != MP_OKAY) {
+      return err;
+   }
 
-  for (ix = 0; ix < t; ix++) {
-    /* set the prime */
-    mp_set (&b, ltm_prime_tab[ix]);
+   for (ix = 0; ix < t; ix++) {
+      /* set the prime */
+      mp_set(&b, ltm_prime_tab[ix]);
 
-    if ((err = mp_prime_miller_rabin (a, &b, &res)) != MP_OKAY) {
-      goto LBL_B;
-    }
+      if ((err = mp_prime_miller_rabin(a, &b, &res)) != MP_OKAY) {
+         goto LBL_B;
+      }
 
-    if (res == MP_NO) {
-      goto LBL_B;
-    }
-  }
+      if (res == MP_NO) {
+         goto LBL_B;
+      }
+   }
 
-  /* passed the test */
-  *result = MP_YES;
-LBL_B:mp_clear (&b);
-  return err;
+   /* passed the test */
+   *result = MP_YES;
+LBL_B:
+   mp_clear(&b);
+   return err;
 }
 #endif