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diff --git a/openssl/crypto/bn/bn_word.c b/openssl/crypto/bn/bn_word.c
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+/* crypto/bn/bn_word.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include "bn_lcl.h"
+
+BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w)
+{
+#ifndef BN_LLONG
+    BN_ULONG ret = 0;
+#else
+    BN_ULLONG ret = 0;
+#endif
+    int i;
+
+    if (w == 0)
+        return (BN_ULONG)-1;
+
+#ifndef BN_LLONG
+    /*
+     * If |w| is too long and we don't have BN_ULLONG then we need to fall
+     * back to using BN_div_word
+     */
+    if (w > ((BN_ULONG)1 << BN_BITS4)) {
+        BIGNUM *tmp = BN_dup(a);
+        if (tmp == NULL)
+            return (BN_ULONG)-1;
+
+        ret = BN_div_word(tmp, w);
+        BN_free(tmp);
+
+        return ret;
+    }
+#endif
+
+    bn_check_top(a);
+    w &= BN_MASK2;
+    for (i = a->top - 1; i >= 0; i--) {
+#ifndef BN_LLONG
+        /*
+         * We can assume here that | w <= ((BN_ULONG)1 << BN_BITS4) | and so
+         * | ret < ((BN_ULONG)1 << BN_BITS4) | and therefore the shifts here are
+         * safe and will not overflow
+         */
+        ret = ((ret << BN_BITS4) | ((a->d[i] >> BN_BITS4) & BN_MASK2l)) % w;
+        ret = ((ret << BN_BITS4) | (a->d[i] & BN_MASK2l)) % w;
+#else
+        ret = (BN_ULLONG) (((ret << (BN_ULLONG) BN_BITS2) | a->d[i]) %
+                           (BN_ULLONG) w);
+#endif
+    }
+    return ((BN_ULONG)ret);
+}
+
+BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w)
+{
+    BN_ULONG ret = 0;
+    int i, j;
+
+    bn_check_top(a);
+    w &= BN_MASK2;
+
+    if (!w)
+        /* actually this an error (division by zero) */
+        return (BN_ULONG)-1;
+    if (a->top == 0)
+        return 0;
+
+    /* normalize input (so bn_div_words doesn't complain) */
+    j = BN_BITS2 - BN_num_bits_word(w);
+    w <<= j;
+    if (!BN_lshift(a, a, j))
+        return (BN_ULONG)-1;
+
+    for (i = a->top - 1; i >= 0; i--) {
+        BN_ULONG l, d;
+
+        l = a->d[i];
+        d = bn_div_words(ret, l, w);
+        ret = (l - ((d * w) & BN_MASK2)) & BN_MASK2;
+        a->d[i] = d;
+    }
+    if ((a->top > 0) && (a->d[a->top - 1] == 0))
+        a->top--;
+    ret >>= j;
+    bn_check_top(a);
+    return (ret);
+}
+
+int BN_add_word(BIGNUM *a, BN_ULONG w)
+{
+    BN_ULONG l;
+    int i;
+
+    bn_check_top(a);
+    w &= BN_MASK2;
+
+    /* degenerate case: w is zero */
+    if (!w)
+        return 1;
+    /* degenerate case: a is zero */
+    if (BN_is_zero(a))
+        return BN_set_word(a, w);
+    /* handle 'a' when negative */
+    if (a->neg) {
+        a->neg = 0;
+        i = BN_sub_word(a, w);
+        if (!BN_is_zero(a))
+            a->neg = !(a->neg);
+        return (i);
+    }
+    for (i = 0; w != 0 && i < a->top; i++) {
+        a->d[i] = l = (a->d[i] + w) & BN_MASK2;
+        w = (w > l) ? 1 : 0;
+    }
+    if (w && i == a->top) {
+        if (bn_wexpand(a, a->top + 1) == NULL)
+            return 0;
+        a->top++;
+        a->d[i] = w;
+    }
+    bn_check_top(a);
+    return (1);
+}
+
+int BN_sub_word(BIGNUM *a, BN_ULONG w)
+{
+    int i;
+
+    bn_check_top(a);
+    w &= BN_MASK2;
+
+    /* degenerate case: w is zero */
+    if (!w)
+        return 1;
+    /* degenerate case: a is zero */
+    if (BN_is_zero(a)) {
+        i = BN_set_word(a, w);
+        if (i != 0)
+            BN_set_negative(a, 1);
+        return i;
+    }
+    /* handle 'a' when negative */
+    if (a->neg) {
+        a->neg = 0;
+        i = BN_add_word(a, w);
+        a->neg = 1;
+        return (i);
+    }
+
+    if ((a->top == 1) && (a->d[0] < w)) {
+        a->d[0] = w - a->d[0];
+        a->neg = 1;
+        return (1);
+    }
+    i = 0;
+    for (;;) {
+        if (a->d[i] >= w) {
+            a->d[i] -= w;
+            break;
+        } else {
+            a->d[i] = (a->d[i] - w) & BN_MASK2;
+            i++;
+            w = 1;
+        }
+    }
+    if ((a->d[i] == 0) && (i == (a->top - 1)))
+        a->top--;
+    bn_check_top(a);
+    return (1);
+}
+
+int BN_mul_word(BIGNUM *a, BN_ULONG w)
+{
+    BN_ULONG ll;
+
+    bn_check_top(a);
+    w &= BN_MASK2;
+    if (a->top) {
+        if (w == 0)
+            BN_zero(a);
+        else {
+            ll = bn_mul_words(a->d, a->d, a->top, w);
+            if (ll) {
+                if (bn_wexpand(a, a->top + 1) == NULL)
+                    return (0);
+                a->d[a->top++] = ll;
+            }
+        }
+    }
+    bn_check_top(a);
+    return (1);
+}