This commit was manufactured by cvs2git to create tag 'OPENBSD_2_4_BASE'.OPENBSD_2_4_BASE

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diff --git a/src/lib/libcrypto/bn/bn_m.c b/src/lib/libcrypto/bn/bn_m.c
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+/* crypto/bn/bn_m.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"
+#include "stack.h"
+
+int limit=16;
+
+typedef struct bn_pool_st
+        {
+        int used;
+        int tos;
+        STACK *sk; 
+        } BN_POOL;
+
+BIGNUM *BN_POOL_push(bp)
+BN_POOL *bp;
+        {
+        BIGNUM *ret;
+
+        if (bp->used >= bp->tos)
+                {
+                ret=BN_new();
+                sk_push(bp->sk,(char *)ret);
+                bp->tos++;
+                bp->used++;
+                }
+        else
+                {
+                ret=(BIGNUM *)sk_value(bp->sk,bp->used);
+                bp->used++;
+                }
+        return(ret);
+        }
+
+void BN_POOL_pop(bp,num)
+BN_POOL *bp;
+int num;
+        {
+        bp->used-=num;
+        }
+
+int BN_m(r,a,b)
+BIGNUM *r,*a,*b;
+        {
+        static BN_POOL bp;
+        static init=1;
+
+        if (init)
+                {
+                bp.used=0;
+                bp.tos=0;
+                bp.sk=sk_new_null();
+                init=0;
+                }
+        return(BN_mm(r,a,b,&bp));
+        }
+
+/* r must be different to a and b */
+int BN_mm(m, A, B, bp)
+BIGNUM *m,*A,*B;
+BN_POOL *bp;
+        {
+        int i,num;
+        int an,bn;
+        BIGNUM *a,*b,*c,*d,*ac,*bd;
+
+        an=A->top;
+        bn=B->top;
+        if ((an <= limit) || (bn <= limit))
+                {
+                return(BN_mul(m,A,B));
+                }
+
+        a=BN_POOL_push(bp);
+        b=BN_POOL_push(bp);
+        c=BN_POOL_push(bp);
+        d=BN_POOL_push(bp);
+        ac=BN_POOL_push(bp);
+        bd=BN_POOL_push(bp);
+
+        num=(an <= bn)?an:bn;
+        num=1<<(BN_num_bits_word(num-1)-1);
+
+        /* Are going to now chop things into 'num' word chunks. */
+        num*=BN_BITS2;
+
+        BN_copy(a,A);
+        BN_mask_bits(a,num);
+        BN_rshift(b,A,num);
+
+        BN_copy(c,B);
+        BN_mask_bits(c,num);
+        BN_rshift(d,B,num);
+
+        BN_sub(ac ,b,a);
+        BN_sub(bd,c,d);
+        BN_mm(m,ac,bd,bp);
+        BN_mm(ac,a,c,bp);
+        BN_mm(bd,b,d,bp);
+
+        BN_add(m,m,ac);
+        BN_add(m,m,bd);
+        BN_lshift(m,m,num);
+        BN_lshift(bd,bd,num*2);
+
+        BN_add(m,m,ac);
+        BN_add(m,m,bd);
+        BN_POOL_pop(bp,6);
+        return(1);
+        }
+