Update ics-openvpn to rev 906.

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diff --git a/ics-openvpn-stripped/main/openssl/crypto/bn/bn.h b/ics-openvpn-stripped/main/openssl/crypto/bn/bn.h
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@@ -0,0 +1,908 @@
+/* crypto/bn/bn.h */
+/* Copyright (C) 1995-1997 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.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * Portions of the attached software ("Contribution") are developed by 
+ * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
+ *
+ * The Contribution is licensed pursuant to the Eric Young open source
+ * license provided above.
+ *
+ * The binary polynomial arithmetic software is originally written by 
+ * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
+ *
+ */
+
+#ifndef HEADER_BN_H
+#define HEADER_BN_H
+
+#include <openssl/e_os2.h>
+#ifndef OPENSSL_NO_FP_API
+#include <stdio.h> /* FILE */
+#endif
+#include <openssl/ossl_typ.h>
+#include <openssl/crypto.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* These preprocessor symbols control various aspects of the bignum headers and
+ * library code. They're not defined by any "normal" configuration, as they are
+ * intended for development and testing purposes. NB: defining all three can be
+ * useful for debugging application code as well as openssl itself.
+ *
+ * BN_DEBUG - turn on various debugging alterations to the bignum code
+ * BN_DEBUG_RAND - uses random poisoning of unused words to trip up
+ * mismanagement of bignum internals. You must also define BN_DEBUG.
+ */
+/* #define BN_DEBUG */
+/* #define BN_DEBUG_RAND */
+
+#ifndef OPENSSL_SMALL_FOOTPRINT
+#define BN_MUL_COMBA
+#define BN_SQR_COMBA
+#define BN_RECURSION
+#endif
+
+/* This next option uses the C libraries (2 word)/(1 word) function.
+ * If it is not defined, I use my C version (which is slower).
+ * The reason for this flag is that when the particular C compiler
+ * library routine is used, and the library is linked with a different
+ * compiler, the library is missing.  This mostly happens when the
+ * library is built with gcc and then linked using normal cc.  This would
+ * be a common occurrence because gcc normally produces code that is
+ * 2 times faster than system compilers for the big number stuff.
+ * For machines with only one compiler (or shared libraries), this should
+ * be on.  Again this in only really a problem on machines
+ * using "long long's", are 32bit, and are not using my assembler code. */
+#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || \
+    defined(OPENSSL_SYS_WIN32) || defined(linux)
+# ifndef BN_DIV2W
+#  define BN_DIV2W
+# endif
+#endif
+
+/* assuming long is 64bit - this is the DEC Alpha
+ * unsigned long long is only 64 bits :-(, don't define
+ * BN_LLONG for the DEC Alpha */
+#ifdef SIXTY_FOUR_BIT_LONG
+#define BN_ULLONG	unsigned long long
+#define BN_ULONG	unsigned long
+#define BN_LONG		long
+#define BN_BITS		128
+#define BN_BYTES	8
+#define BN_BITS2	64
+#define BN_BITS4	32
+#define BN_MASK		(0xffffffffffffffffffffffffffffffffLL)
+#define BN_MASK2	(0xffffffffffffffffL)
+#define BN_MASK2l	(0xffffffffL)
+#define BN_MASK2h	(0xffffffff00000000L)
+#define BN_MASK2h1	(0xffffffff80000000L)
+#define BN_TBIT		(0x8000000000000000L)
+#define BN_DEC_CONV	(10000000000000000000UL)
+#define BN_DEC_FMT1	"%lu"
+#define BN_DEC_FMT2	"%019lu"
+#define BN_DEC_NUM	19
+#define BN_HEX_FMT1	"%lX"
+#define BN_HEX_FMT2	"%016lX"
+#endif
+
+/* This is where the long long data type is 64 bits, but long is 32.
+ * For machines where there are 64bit registers, this is the mode to use.
+ * IRIX, on R4000 and above should use this mode, along with the relevant
+ * assembler code :-).  Do NOT define BN_LLONG.
+ */
+#ifdef SIXTY_FOUR_BIT
+#undef BN_LLONG
+#undef BN_ULLONG
+#define BN_ULONG	unsigned long long
+#define BN_LONG		long long
+#define BN_BITS		128
+#define BN_BYTES	8
+#define BN_BITS2	64
+#define BN_BITS4	32
+#define BN_MASK2	(0xffffffffffffffffLL)
+#define BN_MASK2l	(0xffffffffL)
+#define BN_MASK2h	(0xffffffff00000000LL)
+#define BN_MASK2h1	(0xffffffff80000000LL)
+#define BN_TBIT		(0x8000000000000000LL)
+#define BN_DEC_CONV	(10000000000000000000ULL)
+#define BN_DEC_FMT1	"%llu"
+#define BN_DEC_FMT2	"%019llu"
+#define BN_DEC_NUM	19
+#define BN_HEX_FMT1	"%llX"
+#define BN_HEX_FMT2	"%016llX"
+#endif
+
+#ifdef THIRTY_TWO_BIT
+#ifdef BN_LLONG
+# if defined(_WIN32) && !defined(__GNUC__)
+#  define BN_ULLONG	unsigned __int64
+#  define BN_MASK	(0xffffffffffffffffI64)
+# else
+#  define BN_ULLONG	unsigned long long
+#  define BN_MASK	(0xffffffffffffffffLL)
+# endif
+#endif
+#define BN_ULONG	unsigned int
+#define BN_LONG		int
+#define BN_BITS		64
+#define BN_BYTES	4
+#define BN_BITS2	32
+#define BN_BITS4	16
+#define BN_MASK2	(0xffffffffL)
+#define BN_MASK2l	(0xffff)
+#define BN_MASK2h1	(0xffff8000L)
+#define BN_MASK2h	(0xffff0000L)
+#define BN_TBIT		(0x80000000L)
+#define BN_DEC_CONV	(1000000000L)
+#define BN_DEC_FMT1	"%u"
+#define BN_DEC_FMT2	"%09u"
+#define BN_DEC_NUM	9
+#define BN_HEX_FMT1	"%X"
+#define BN_HEX_FMT2	"%08X"
+#endif
+
+/* 2011-02-22 SMS.
+ * In various places, a size_t variable or a type cast to size_t was
+ * used to perform integer-only operations on pointers.  This failed on
+ * VMS with 64-bit pointers (CC /POINTER_SIZE = 64) because size_t is
+ * still only 32 bits.  What's needed in these cases is an integer type
+ * with the same size as a pointer, which size_t is not certain to be. 
+ * The only fix here is VMS-specific.
+ */
+#if defined(OPENSSL_SYS_VMS)
+# if __INITIAL_POINTER_SIZE == 64
+#  define PTR_SIZE_INT long long
+# else /* __INITIAL_POINTER_SIZE == 64 */
+#  define PTR_SIZE_INT int
+# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
+#else /* defined(OPENSSL_SYS_VMS) */
+# define PTR_SIZE_INT size_t
+#endif /* defined(OPENSSL_SYS_VMS) [else] */
+
+#define BN_DEFAULT_BITS	1280
+
+#define BN_FLG_MALLOCED		0x01
+#define BN_FLG_STATIC_DATA	0x02
+#define BN_FLG_CONSTTIME	0x04 /* avoid leaking exponent information through timing,
+                                      * BN_mod_exp_mont() will call BN_mod_exp_mont_consttime,
+                                      * BN_div() will call BN_div_no_branch,
+                                      * BN_mod_inverse() will call BN_mod_inverse_no_branch.
+                                      */
+
+#ifndef OPENSSL_NO_DEPRECATED
+#define BN_FLG_EXP_CONSTTIME BN_FLG_CONSTTIME /* deprecated name for the flag */
+                                      /* avoid leaking exponent information through timings
+                                      * (BN_mod_exp_mont() will call BN_mod_exp_mont_consttime) */
+#endif
+
+#ifndef OPENSSL_NO_DEPRECATED
+#define BN_FLG_FREE		0x8000	/* used for debuging */
+#endif
+#define BN_set_flags(b,n)	((b)->flags|=(n))
+#define BN_get_flags(b,n)	((b)->flags&(n))
+
+/* get a clone of a BIGNUM with changed flags, for *temporary* use only
+ * (the two BIGNUMs cannot not be used in parallel!) */
+#define BN_with_flags(dest,b,n)  ((dest)->d=(b)->d, \
+                                  (dest)->top=(b)->top, \
+                                  (dest)->dmax=(b)->dmax, \
+                                  (dest)->neg=(b)->neg, \
+                                  (dest)->flags=(((dest)->flags & BN_FLG_MALLOCED) \
+                                                 |  ((b)->flags & ~BN_FLG_MALLOCED) \
+                                                 |  BN_FLG_STATIC_DATA \
+                                                 |  (n)))
+
+/* Already declared in ossl_typ.h */
+#if 0
+typedef struct bignum_st BIGNUM;
+/* Used for temp variables (declaration hidden in bn_lcl.h) */
+typedef struct bignum_ctx BN_CTX;
+typedef struct bn_blinding_st BN_BLINDING;
+typedef struct bn_mont_ctx_st BN_MONT_CTX;
+typedef struct bn_recp_ctx_st BN_RECP_CTX;
+typedef struct bn_gencb_st BN_GENCB;
+#endif
+
+struct bignum_st
+	{
+	BN_ULONG *d;	/* Pointer to an array of 'BN_BITS2' bit chunks. */
+	int top;	/* Index of last used d +1. */
+	/* The next are internal book keeping for bn_expand. */
+	int dmax;	/* Size of the d array. */
+	int neg;	/* one if the number is negative */
+	int flags;
+	};
+
+/* Used for montgomery multiplication */
+struct bn_mont_ctx_st
+	{
+	int ri;        /* number of bits in R */
+	BIGNUM RR;     /* used to convert to montgomery form */
+	BIGNUM N;      /* The modulus */
+	BIGNUM Ni;     /* R*(1/R mod N) - N*Ni = 1
+	                * (Ni is only stored for bignum algorithm) */
+	BN_ULONG n0[2];/* least significant word(s) of Ni;
+	                  (type changed with 0.9.9, was "BN_ULONG n0;" before) */
+	int flags;
+	};
+
+/* Used for reciprocal division/mod functions
+ * It cannot be shared between threads
+ */
+struct bn_recp_ctx_st
+	{
+	BIGNUM N;	/* the divisor */
+	BIGNUM Nr;	/* the reciprocal */
+	int num_bits;
+	int shift;
+	int flags;
+	};
+
+/* Used for slow "generation" functions. */
+struct bn_gencb_st
+	{
+	unsigned int ver;	/* To handle binary (in)compatibility */
+	void *arg;		/* callback-specific data */
+	union
+		{
+		/* if(ver==1) - handles old style callbacks */
+		void (*cb_1)(int, int, void *);
+		/* if(ver==2) - new callback style */
+		int (*cb_2)(int, int, BN_GENCB *);
+		} cb;
+	};
+/* Wrapper function to make using BN_GENCB easier,  */
+int BN_GENCB_call(BN_GENCB *cb, int a, int b);
+/* Macro to populate a BN_GENCB structure with an "old"-style callback */
+#define BN_GENCB_set_old(gencb, callback, cb_arg) { \
+		BN_GENCB *tmp_gencb = (gencb); \
+		tmp_gencb->ver = 1; \
+		tmp_gencb->arg = (cb_arg); \
+		tmp_gencb->cb.cb_1 = (callback); }
+/* Macro to populate a BN_GENCB structure with a "new"-style callback */
+#define BN_GENCB_set(gencb, callback, cb_arg) { \
+		BN_GENCB *tmp_gencb = (gencb); \
+		tmp_gencb->ver = 2; \
+		tmp_gencb->arg = (cb_arg); \
+		tmp_gencb->cb.cb_2 = (callback); }
+
+#define BN_prime_checks 0 /* default: select number of iterations
+			     based on the size of the number */
+
+/* number of Miller-Rabin iterations for an error rate  of less than 2^-80
+ * for random 'b'-bit input, b >= 100 (taken from table 4.4 in the Handbook
+ * of Applied Cryptography [Menezes, van Oorschot, Vanstone; CRC Press 1996];
+ * original paper: Damgaard, Landrock, Pomerance: Average case error estimates
+ * for the strong probable prime test. -- Math. Comp. 61 (1993) 177-194) */
+#define BN_prime_checks_for_size(b) ((b) >= 1300 ?  2 : \
+                                (b) >=  850 ?  3 : \
+                                (b) >=  650 ?  4 : \
+                                (b) >=  550 ?  5 : \
+                                (b) >=  450 ?  6 : \
+                                (b) >=  400 ?  7 : \
+                                (b) >=  350 ?  8 : \
+                                (b) >=  300 ?  9 : \
+                                (b) >=  250 ? 12 : \
+                                (b) >=  200 ? 15 : \
+                                (b) >=  150 ? 18 : \
+                                /* b >= 100 */ 27)
+
+#define BN_num_bytes(a)	((BN_num_bits(a)+7)/8)
+
+/* Note that BN_abs_is_word didn't work reliably for w == 0 until 0.9.8 */
+#define BN_abs_is_word(a,w) ((((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w))) || \
+				(((w) == 0) && ((a)->top == 0)))
+#define BN_is_zero(a)       ((a)->top == 0)
+#define BN_is_one(a)        (BN_abs_is_word((a),1) && !(a)->neg)
+#define BN_is_word(a,w)     (BN_abs_is_word((a),(w)) && (!(w) || !(a)->neg))
+#define BN_is_odd(a)	    (((a)->top > 0) && ((a)->d[0] & 1))
+
+#define BN_one(a)	(BN_set_word((a),1))
+#define BN_zero_ex(a) \
+	do { \
+		BIGNUM *_tmp_bn = (a); \
+		_tmp_bn->top = 0; \
+		_tmp_bn->neg = 0; \
+	} while(0)
+#ifdef OPENSSL_NO_DEPRECATED
+#define BN_zero(a)	BN_zero_ex(a)
+#else
+#define BN_zero(a)	(BN_set_word((a),0))
+#endif
+
+const BIGNUM *BN_value_one(void);
+char *	BN_options(void);
+BN_CTX *BN_CTX_new(void);
+#ifndef OPENSSL_NO_DEPRECATED
+void	BN_CTX_init(BN_CTX *c);
+#endif
+void	BN_CTX_free(BN_CTX *c);
+void	BN_CTX_start(BN_CTX *ctx);
+BIGNUM *BN_CTX_get(BN_CTX *ctx);
+void	BN_CTX_end(BN_CTX *ctx);
+int     BN_rand(BIGNUM *rnd, int bits, int top,int bottom);
+int     BN_pseudo_rand(BIGNUM *rnd, int bits, int top,int bottom);
+int	BN_rand_range(BIGNUM *rnd, const BIGNUM *range);
+int	BN_pseudo_rand_range(BIGNUM *rnd, const BIGNUM *range);
+int	BN_num_bits(const BIGNUM *a);
+int	BN_num_bits_word(BN_ULONG);
+BIGNUM *BN_new(void);
+void	BN_init(BIGNUM *);
+void	BN_clear_free(BIGNUM *a);
+BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b);
+void	BN_swap(BIGNUM *a, BIGNUM *b);
+BIGNUM *BN_bin2bn(const unsigned char *s,int len,BIGNUM *ret);
+int	BN_bn2bin(const BIGNUM *a, unsigned char *to);
+BIGNUM *BN_mpi2bn(const unsigned char *s,int len,BIGNUM *ret);
+int	BN_bn2mpi(const BIGNUM *a, unsigned char *to);
+int	BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
+int	BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
+int	BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
+int	BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
+int	BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
+int	BN_sqr(BIGNUM *r, const BIGNUM *a,BN_CTX *ctx);
+/** BN_set_negative sets sign of a BIGNUM
+ * \param  b  pointer to the BIGNUM object
+ * \param  n  0 if the BIGNUM b should be positive and a value != 0 otherwise 
+ */
+void	BN_set_negative(BIGNUM *b, int n);
+/** BN_is_negative returns 1 if the BIGNUM is negative
+ * \param  a  pointer to the BIGNUM object
+ * \return 1 if a < 0 and 0 otherwise
+ */
+#define BN_is_negative(a) ((a)->neg != 0)
+
+int	BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d,
+	BN_CTX *ctx);
+#define BN_mod(rem,m,d,ctx) BN_div(NULL,(rem),(m),(d),(ctx))
+int	BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx);
+int	BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx);
+int	BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m);
+int	BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx);
+int	BN_mod_sub_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m);
+int	BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const BIGNUM *m, BN_CTX *ctx);
+int	BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
+int	BN_mod_lshift1(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
+int	BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m);
+int	BN_mod_lshift(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m, BN_CTX *ctx);
+int	BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m);
+
+BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w);
+BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w);
+int	BN_mul_word(BIGNUM *a, BN_ULONG w);
+int	BN_add_word(BIGNUM *a, BN_ULONG w);
+int	BN_sub_word(BIGNUM *a, BN_ULONG w);
+int	BN_set_word(BIGNUM *a, BN_ULONG w);
+BN_ULONG BN_get_word(const BIGNUM *a);
+
+int	BN_cmp(const BIGNUM *a, const BIGNUM *b);
+void	BN_free(BIGNUM *a);
+int	BN_is_bit_set(const BIGNUM *a, int n);
+int	BN_lshift(BIGNUM *r, const BIGNUM *a, int n);
+int	BN_lshift1(BIGNUM *r, const BIGNUM *a);
+int	BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,BN_CTX *ctx);
+
+int	BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	const BIGNUM *m,BN_CTX *ctx);
+int	BN_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
+	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont);
+int	BN_mod_exp_mont_word(BIGNUM *r, BN_ULONG a, const BIGNUM *p,
+	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+int	BN_mod_exp2_mont(BIGNUM *r, const BIGNUM *a1, const BIGNUM *p1,
+	const BIGNUM *a2, const BIGNUM *p2,const BIGNUM *m,
+	BN_CTX *ctx,BN_MONT_CTX *m_ctx);
+int	BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	const BIGNUM *m,BN_CTX *ctx);
+
+int	BN_mask_bits(BIGNUM *a,int n);
+#ifndef OPENSSL_NO_FP_API
+int	BN_print_fp(FILE *fp, const BIGNUM *a);
+#endif
+#ifdef HEADER_BIO_H
+int	BN_print(BIO *fp, const BIGNUM *a);
+#else
+int	BN_print(void *fp, const BIGNUM *a);
+#endif
+int	BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx);
+int	BN_rshift(BIGNUM *r, const BIGNUM *a, int n);
+int	BN_rshift1(BIGNUM *r, const BIGNUM *a);
+void	BN_clear(BIGNUM *a);
+BIGNUM *BN_dup(const BIGNUM *a);
+int	BN_ucmp(const BIGNUM *a, const BIGNUM *b);
+int	BN_set_bit(BIGNUM *a, int n);
+int	BN_clear_bit(BIGNUM *a, int n);
+char *	BN_bn2hex(const BIGNUM *a);
+char *	BN_bn2dec(const BIGNUM *a);
+int 	BN_hex2bn(BIGNUM **a, const char *str);
+int 	BN_dec2bn(BIGNUM **a, const char *str);
+int	BN_asc2bn(BIGNUM **a, const char *str);
+int	BN_gcd(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx);
+int	BN_kronecker(const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx); /* returns -2 for error */
+BIGNUM *BN_mod_inverse(BIGNUM *ret,
+	const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx);
+BIGNUM *BN_mod_sqrt(BIGNUM *ret,
+	const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx);
+
+void	BN_consttime_swap(BN_ULONG swap, BIGNUM *a, BIGNUM *b, int nwords);
+
+/* Deprecated versions */
+#ifndef OPENSSL_NO_DEPRECATED
+BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe,
+	const BIGNUM *add, const BIGNUM *rem,
+	void (*callback)(int,int,void *),void *cb_arg);
+int	BN_is_prime(const BIGNUM *p,int nchecks,
+	void (*callback)(int,int,void *),
+	BN_CTX *ctx,void *cb_arg);
+int	BN_is_prime_fasttest(const BIGNUM *p,int nchecks,
+	void (*callback)(int,int,void *),BN_CTX *ctx,void *cb_arg,
+	int do_trial_division);
+#endif /* !defined(OPENSSL_NO_DEPRECATED) */
+
+/* Newer versions */
+int	BN_generate_prime_ex(BIGNUM *ret,int bits,int safe, const BIGNUM *add,
+		const BIGNUM *rem, BN_GENCB *cb);
+int	BN_is_prime_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx, BN_GENCB *cb);
+int	BN_is_prime_fasttest_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx,
+		int do_trial_division, BN_GENCB *cb);
+
+int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx);
+
+int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
+			const BIGNUM *Xp, const BIGNUM *Xp1, const BIGNUM *Xp2,
+			const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb);
+int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
+			BIGNUM *Xp1, BIGNUM *Xp2,
+			const BIGNUM *Xp,
+			const BIGNUM *e, BN_CTX *ctx,
+			BN_GENCB *cb);
+
+BN_MONT_CTX *BN_MONT_CTX_new(void );
+void BN_MONT_CTX_init(BN_MONT_CTX *ctx);
+int BN_mod_mul_montgomery(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,
+	BN_MONT_CTX *mont, BN_CTX *ctx);
+#define BN_to_montgomery(r,a,mont,ctx)	BN_mod_mul_montgomery(\
+	(r),(a),&((mont)->RR),(mont),(ctx))
+int BN_from_montgomery(BIGNUM *r,const BIGNUM *a,
+	BN_MONT_CTX *mont, BN_CTX *ctx);
+void BN_MONT_CTX_free(BN_MONT_CTX *mont);
+int BN_MONT_CTX_set(BN_MONT_CTX *mont,const BIGNUM *mod,BN_CTX *ctx);
+BN_MONT_CTX *BN_MONT_CTX_copy(BN_MONT_CTX *to,BN_MONT_CTX *from);
+BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,
+					const BIGNUM *mod, BN_CTX *ctx);
+
+/* BN_BLINDING flags */
+#define	BN_BLINDING_NO_UPDATE	0x00000001
+#define	BN_BLINDING_NO_RECREATE	0x00000002
+
+BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod);
+void BN_BLINDING_free(BN_BLINDING *b);
+int BN_BLINDING_update(BN_BLINDING *b,BN_CTX *ctx);
+int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
+int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
+int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *);
+int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *);
+#ifndef OPENSSL_NO_DEPRECATED
+unsigned long BN_BLINDING_get_thread_id(const BN_BLINDING *);
+void BN_BLINDING_set_thread_id(BN_BLINDING *, unsigned long);
+#endif
+CRYPTO_THREADID *BN_BLINDING_thread_id(BN_BLINDING *);
+unsigned long BN_BLINDING_get_flags(const BN_BLINDING *);
+void BN_BLINDING_set_flags(BN_BLINDING *, unsigned long);
+BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
+	const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,
+	int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+			  const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx),
+	BN_MONT_CTX *m_ctx);
+
+#ifndef OPENSSL_NO_DEPRECATED
+void BN_set_params(int mul,int high,int low,int mont);
+int BN_get_params(int which); /* 0, mul, 1 high, 2 low, 3 mont */
+#endif
+
+void	BN_RECP_CTX_init(BN_RECP_CTX *recp);
+BN_RECP_CTX *BN_RECP_CTX_new(void);
+void	BN_RECP_CTX_free(BN_RECP_CTX *recp);
+int	BN_RECP_CTX_set(BN_RECP_CTX *recp,const BIGNUM *rdiv,BN_CTX *ctx);
+int	BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,
+	BN_RECP_CTX *recp,BN_CTX *ctx);
+int	BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	const BIGNUM *m, BN_CTX *ctx);
+int	BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
+	BN_RECP_CTX *recp, BN_CTX *ctx);
+
+#ifndef OPENSSL_NO_EC2M
+
+/* Functions for arithmetic over binary polynomials represented by BIGNUMs. 
+ *
+ * The BIGNUM::neg property of BIGNUMs representing binary polynomials is
+ * ignored.
+ *
+ * Note that input arguments are not const so that their bit arrays can
+ * be expanded to the appropriate size if needed.
+ */
+
+int	BN_GF2m_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); /*r = a + b*/
+#define BN_GF2m_sub(r, a, b) BN_GF2m_add(r, a, b)
+int	BN_GF2m_mod(BIGNUM *r, const BIGNUM *a, const BIGNUM *p); /*r=a mod p*/
+int	BN_GF2m_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const BIGNUM *p, BN_CTX *ctx); /* r = (a * b) mod p */
+int	BN_GF2m_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	BN_CTX *ctx); /* r = (a * a) mod p */
+int	BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *b, const BIGNUM *p,
+	BN_CTX *ctx); /* r = (1 / b) mod p */
+int	BN_GF2m_mod_div(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const BIGNUM *p, BN_CTX *ctx); /* r = (a / b) mod p */
+int	BN_GF2m_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const BIGNUM *p, BN_CTX *ctx); /* r = (a ^ b) mod p */
+int	BN_GF2m_mod_sqrt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	BN_CTX *ctx); /* r = sqrt(a) mod p */
+int	BN_GF2m_mod_solve_quad(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+	BN_CTX *ctx); /* r^2 + r = a mod p */
+#define BN_GF2m_cmp(a, b) BN_ucmp((a), (b))
+/* Some functions allow for representation of the irreducible polynomials
+ * as an unsigned int[], say p.  The irreducible f(t) is then of the form:
+ *     t^p[0] + t^p[1] + ... + t^p[k]
+ * where m = p[0] > p[1] > ... > p[k] = 0.
+ */
+int	BN_GF2m_mod_arr(BIGNUM *r, const BIGNUM *a, const int p[]);
+	/* r = a mod p */
+int	BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const int p[], BN_CTX *ctx); /* r = (a * b) mod p */
+int	BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[],
+	BN_CTX *ctx); /* r = (a * a) mod p */
+int	BN_GF2m_mod_inv_arr(BIGNUM *r, const BIGNUM *b, const int p[],
+	BN_CTX *ctx); /* r = (1 / b) mod p */
+int	BN_GF2m_mod_div_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const int p[], BN_CTX *ctx); /* r = (a / b) mod p */
+int	BN_GF2m_mod_exp_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
+	const int p[], BN_CTX *ctx); /* r = (a ^ b) mod p */
+int	BN_GF2m_mod_sqrt_arr(BIGNUM *r, const BIGNUM *a,
+	const int p[], BN_CTX *ctx); /* r = sqrt(a) mod p */
+int	BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a,
+	const int p[], BN_CTX *ctx); /* r^2 + r = a mod p */
+int	BN_GF2m_poly2arr(const BIGNUM *a, int p[], int max);
+int	BN_GF2m_arr2poly(const int p[], BIGNUM *a);
+
+#endif
+
+/* faster mod functions for the 'NIST primes' 
+ * 0 <= a < p^2 */
+int BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
+int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
+int BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
+int BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
+int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
+
+const BIGNUM *BN_get0_nist_prime_192(void);
+const BIGNUM *BN_get0_nist_prime_224(void);
+const BIGNUM *BN_get0_nist_prime_256(void);
+const BIGNUM *BN_get0_nist_prime_384(void);
+const BIGNUM *BN_get0_nist_prime_521(void);
+
+int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range, const BIGNUM *priv,
+			  const unsigned char *message, size_t message_len,
+			  BN_CTX *ctx);
+
+/* library internal functions */
+
+#define bn_expand(a,bits) ((((((bits+BN_BITS2-1))/BN_BITS2)) <= (a)->dmax)?\
+	(a):bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2))
+#define bn_wexpand(a,words) (((words) <= (a)->dmax)?(a):bn_expand2((a),(words)))
+BIGNUM *bn_expand2(BIGNUM *a, int words);
+#ifndef OPENSSL_NO_DEPRECATED
+BIGNUM *bn_dup_expand(const BIGNUM *a, int words); /* unused */
+#endif
+
+/* Bignum consistency macros
+ * There is one "API" macro, bn_fix_top(), for stripping leading zeroes from
+ * bignum data after direct manipulations on the data. There is also an
+ * "internal" macro, bn_check_top(), for verifying that there are no leading
+ * zeroes. Unfortunately, some auditing is required due to the fact that
+ * bn_fix_top() has become an overabused duct-tape because bignum data is
+ * occasionally passed around in an inconsistent state. So the following
+ * changes have been made to sort this out;
+ * - bn_fix_top()s implementation has been moved to bn_correct_top()
+ * - if BN_DEBUG isn't defined, bn_fix_top() maps to bn_correct_top(), and
+ *   bn_check_top() is as before.
+ * - if BN_DEBUG *is* defined;
+ *   - bn_check_top() tries to pollute unused words even if the bignum 'top' is
+ *     consistent. (ed: only if BN_DEBUG_RAND is defined)
+ *   - bn_fix_top() maps to bn_check_top() rather than "fixing" anything.
+ * The idea is to have debug builds flag up inconsistent bignums when they
+ * occur. If that occurs in a bn_fix_top(), we examine the code in question; if
+ * the use of bn_fix_top() was appropriate (ie. it follows directly after code
+ * that manipulates the bignum) it is converted to bn_correct_top(), and if it
+ * was not appropriate, we convert it permanently to bn_check_top() and track
+ * down the cause of the bug. Eventually, no internal code should be using the
+ * bn_fix_top() macro. External applications and libraries should try this with
+ * their own code too, both in terms of building against the openssl headers
+ * with BN_DEBUG defined *and* linking with a version of OpenSSL built with it
+ * defined. This not only improves external code, it provides more test
+ * coverage for openssl's own code.
+ */
+
+#ifdef BN_DEBUG
+
+/* We only need assert() when debugging */
+#include <assert.h>
+
+#ifdef BN_DEBUG_RAND
+/* To avoid "make update" cvs wars due to BN_DEBUG, use some tricks */
+#ifndef RAND_pseudo_bytes
+int RAND_pseudo_bytes(unsigned char *buf,int num);
+#define BN_DEBUG_TRIX
+#endif
+#define bn_pollute(a) \
+	do { \
+		const BIGNUM *_bnum1 = (a); \
+		if(_bnum1->top < _bnum1->dmax) { \
+			unsigned char _tmp_char; \
+			/* We cast away const without the compiler knowing, any \
+			 * *genuinely* constant variables that aren't mutable \
+			 * wouldn't be constructed with top!=dmax. */ \
+			BN_ULONG *_not_const; \
+			memcpy(&_not_const, &_bnum1->d, sizeof(BN_ULONG*)); \
+			RAND_pseudo_bytes(&_tmp_char, 1); \
+			memset((unsigned char *)(_not_const + _bnum1->top), _tmp_char, \
+				(_bnum1->dmax - _bnum1->top) * sizeof(BN_ULONG)); \
+		} \
+	} while(0)
+#ifdef BN_DEBUG_TRIX
+#undef RAND_pseudo_bytes
+#endif
+#else
+#define bn_pollute(a)
+#endif
+#define bn_check_top(a) \
+	do { \
+		const BIGNUM *_bnum2 = (a); \
+		if (_bnum2 != NULL) { \
+			assert((_bnum2->top == 0) || \
+				(_bnum2->d[_bnum2->top - 1] != 0)); \
+			bn_pollute(_bnum2); \
+		} \
+	} while(0)
+
+#define bn_fix_top(a)		bn_check_top(a)
+
+#define bn_check_size(bn, bits) bn_wcheck_size(bn, ((bits+BN_BITS2-1))/BN_BITS2)
+#define bn_wcheck_size(bn, words) \
+	do { \
+		const BIGNUM *_bnum2 = (bn); \
+		assert(words <= (_bnum2)->dmax && words >= (_bnum2)->top); \
+	} while(0)
+
+#else /* !BN_DEBUG */
+
+#define bn_pollute(a)
+#define bn_check_top(a)
+#define bn_fix_top(a)		bn_correct_top(a)
+#define bn_check_size(bn, bits)
+#define bn_wcheck_size(bn, words)
+
+#endif
+
+#define bn_correct_top(a) \
+        { \
+        BN_ULONG *ftl; \
+	int tmp_top = (a)->top; \
+	if (tmp_top > 0) \
+		{ \
+		for (ftl= &((a)->d[tmp_top-1]); tmp_top > 0; tmp_top--) \
+			if (*(ftl--)) break; \
+		(a)->top = tmp_top; \
+		} \
+	bn_pollute(a); \
+	}
+
+BN_ULONG bn_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w);
+BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w);
+void     bn_sqr_words(BN_ULONG *rp, const BN_ULONG *ap, int num);
+BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d);
+BN_ULONG bn_add_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,int num);
+BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,int num);
+
+/* Primes from RFC 2409 */
+BIGNUM *get_rfc2409_prime_768(BIGNUM *bn);
+BIGNUM *get_rfc2409_prime_1024(BIGNUM *bn);
+
+/* Primes from RFC 3526 */
+BIGNUM *get_rfc3526_prime_1536(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_2048(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_3072(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_4096(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_6144(BIGNUM *bn);
+BIGNUM *get_rfc3526_prime_8192(BIGNUM *bn);
+
+int BN_bntest_rand(BIGNUM *rnd, int bits, int top,int bottom);
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+void ERR_load_BN_strings(void);
+
+/* Error codes for the BN functions. */
+
+/* Function codes. */
+#define BN_F_BNRAND					 127
+#define BN_F_BN_BLINDING_CONVERT_EX			 100
+#define BN_F_BN_BLINDING_CREATE_PARAM			 128
+#define BN_F_BN_BLINDING_INVERT_EX			 101
+#define BN_F_BN_BLINDING_NEW				 102
+#define BN_F_BN_BLINDING_UPDATE				 103
+#define BN_F_BN_BN2DEC					 104
+#define BN_F_BN_BN2HEX					 105
+#define BN_F_BN_CTX_GET					 116
+#define BN_F_BN_CTX_NEW					 106
+#define BN_F_BN_CTX_START				 129
+#define BN_F_BN_DIV					 107
+#define BN_F_BN_DIV_NO_BRANCH				 138
+#define BN_F_BN_DIV_RECP				 130
+#define BN_F_BN_EXP					 123
+#define BN_F_BN_EXPAND2					 108
+#define BN_F_BN_EXPAND_INTERNAL				 120
+#define BN_F_BN_GENERATE_DSA_NONCE			 140
+#define BN_F_BN_GF2M_MOD				 131
+#define BN_F_BN_GF2M_MOD_EXP				 132
+#define BN_F_BN_GF2M_MOD_MUL				 133
+#define BN_F_BN_GF2M_MOD_SOLVE_QUAD			 134
+#define BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR			 135
+#define BN_F_BN_GF2M_MOD_SQR				 136
+#define BN_F_BN_GF2M_MOD_SQRT				 137
+#define BN_F_BN_MOD_EXP2_MONT				 118
+#define BN_F_BN_MOD_EXP_MONT				 109
+#define BN_F_BN_MOD_EXP_MONT_CONSTTIME			 124
+#define BN_F_BN_MOD_EXP_MONT_WORD			 117
+#define BN_F_BN_MOD_EXP_RECP				 125
+#define BN_F_BN_MOD_EXP_SIMPLE				 126
+#define BN_F_BN_MOD_INVERSE				 110
+#define BN_F_BN_MOD_INVERSE_NO_BRANCH			 139
+#define BN_F_BN_MOD_LSHIFT_QUICK			 119
+#define BN_F_BN_MOD_MUL_RECIPROCAL			 111
+#define BN_F_BN_MOD_SQRT				 121
+#define BN_F_BN_MPI2BN					 112
+#define BN_F_BN_NEW					 113
+#define BN_F_BN_RAND					 114
+#define BN_F_BN_RAND_RANGE				 122
+#define BN_F_BN_USUB					 115
+
+/* Reason codes. */
+#define BN_R_ARG2_LT_ARG3				 100
+#define BN_R_BAD_RECIPROCAL				 101
+#define BN_R_BIGNUM_TOO_LONG				 114
+#define BN_R_CALLED_WITH_EVEN_MODULUS			 102
+#define BN_R_DIV_BY_ZERO				 103
+#define BN_R_ENCODING_ERROR				 104
+#define BN_R_EXPAND_ON_STATIC_BIGNUM_DATA		 105
+#define BN_R_INPUT_NOT_REDUCED				 110
+#define BN_R_INVALID_LENGTH				 106
+#define BN_R_INVALID_RANGE				 115
+#define BN_R_NOT_A_SQUARE				 111
+#define BN_R_NOT_INITIALIZED				 107
+#define BN_R_NO_INVERSE					 108
+#define BN_R_NO_SOLUTION				 116
+#define BN_R_PRIVATE_KEY_TOO_LARGE			 117
+#define BN_R_P_IS_NOT_PRIME				 112
+#define BN_R_TOO_MANY_ITERATIONS			 113
+#define BN_R_TOO_MANY_TEMPORARY_VARIABLES		 109
+
+#ifdef  __cplusplus
+}
+#endif
+#endif