1 files changed, 1 insertions, 37 deletions

diff --git a/src/lib/libc/crypt/arc4random.c b/src/lib/libc/crypt/arc4random.c
index 13b94ed111..9460af1e54 100644
--- a/src/lib/libc/crypt/arc4random.c
+++ b/src/lib/libc/crypt/arc4random.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: arc4random.c,v 1.40 2014/07/09 16:52:09 bcook Exp $   */
+/*      $OpenBSD: arc4random.c,v 1.41 2014/07/12 13:24:54 deraadt Exp $ */
 
 /*
  * Copyright (c) 1996, David Mazieres <dm@uun.org>
@@ -211,39 +211,3 @@ arc4random_buf(void *buf, size_t n)
         _rs_random_buf(buf, n);
         _ARC4_UNLOCK();
 }
-
-/*
- * Calculate a uniformly distributed random number less than upper_bound
- * avoiding "modulo bias".
- *
- * Uniformity is achieved by generating new random numbers until the one
- * returned is outside the range [0, 2**32 % upper_bound).  This
- * guarantees the selected random number will be inside
- * [2**32 % upper_bound, 2**32) which maps back to [0, upper_bound)
- * after reduction modulo upper_bound.
- */
-uint32_t
-arc4random_uniform(uint32_t upper_bound)
-{
-        uint32_t r, min;
-
-        if (upper_bound < 2)
-                return 0;
-
-        /* 2**32 % x == (2**32 - x) % x */
-        min = -upper_bound % upper_bound;
-
-        /*
-         * This could theoretically loop forever but each retry has
-         * p > 0.5 (worst case, usually far better) of selecting a
-         * number inside the range we need, so it should rarely need
-         * to re-roll.
-         */
-        for (;;) {
-                r = arc4random();
-                if (r >= min)
-                        break;
-        }
-
-        return r % upper_bound;
-}