- /* 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 OPENSSL_HEADER_BN_INTERNAL_H
- #define OPENSSL_HEADER_BN_INTERNAL_H
-
- #include <openssl/base.h>
-
- #if defined(OPENSSL_X86_64) && defined(_MSC_VER) && _MSC_VER >= 1400
- #pragma warning(push, 3)
- #include <intrin.h>
- #pragma warning(pop)
- #pragma intrinsic(__umulh, _umul128)
- #endif
-
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* bn_expand acts the same as |BN_wexpand|, but takes a number of bits rather
- * than a number of words. */
- BIGNUM *bn_expand(BIGNUM *bn, unsigned bits);
-
- #if defined(OPENSSL_64_BIT)
-
- #if !defined(_MSC_VER)
- /* MSVC doesn't support two-word integers on 64-bit. */
- #define BN_LLONG __int128_t
- #define BN_ULLONG __uint128_t
- #endif
-
- #define BN_BITS 128
- #define BN_BITS2 64
- #define BN_BYTES 8
- #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_NUM 19
-
- #elif defined(OPENSSL_32_BIT)
-
- #define BN_LLONG int64_t
- #define BN_ULLONG uint64_t
- #define BN_MASK (0xffffffffffffffffLL)
- #define BN_BITS 64
- #define BN_BITS2 32
- #define BN_BYTES 4
- #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_NUM 9
-
- #else
- #error "Must define either OPENSSL_32_BIT or OPENSSL_64_BIT"
- #endif
-
- /* Pentium pro 16,16,16,32,64 */
- /* Alpha 16,16,16,16.64 */
- #define BN_MULL_SIZE_NORMAL (16) /* 32 */
- #define BN_MUL_RECURSIVE_SIZE_NORMAL (16) /* 32 less than */
- #define BN_SQR_RECURSIVE_SIZE_NORMAL (16) /* 32 */
- #define BN_MUL_LOW_RECURSIVE_SIZE_NORMAL (32) /* 32 */
- #define BN_MONT_CTX_SET_SIZE_WORD (64) /* 32 */
-
- #if defined(BN_LLONG)
- #define Lw(t) (((BN_ULONG)(t))&BN_MASK2)
- #define Hw(t) (((BN_ULONG)((t)>>BN_BITS2))&BN_MASK2)
- #endif
-
- 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);
-
- void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b);
- void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b);
- void bn_sqr_comba8(BN_ULONG *r, const BN_ULONG *a);
- void bn_sqr_comba4(BN_ULONG *r, const BN_ULONG *a);
-
- /* bn_cmp_words returns a value less than, equal to or greater than zero if
- * the, length |n|, array |a| is less than, equal to or greater than |b|. */
- int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n);
-
- /* bn_cmp_words returns a value less than, equal to or greater than zero if the
- * array |a| is less than, equal to or greater than |b|. The arrays can be of
- * different lengths: |cl| gives the minimum of the two lengths and |dl| gives
- * the length of |a| minus the length of |b|. */
- int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b, int cl, int dl);
-
- int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
- const BN_ULONG *np, const BN_ULONG *n0, int num);
-
- #if !defined(BN_LLONG)
-
- #define LBITS(a) ((a) & BN_MASK2l)
- #define HBITS(a) (((a) >> BN_BITS4) & BN_MASK2l)
- #define L2HBITS(a) (((a) << BN_BITS4) & BN_MASK2)
-
- #define LLBITS(a) ((a) & BN_MASKl)
- #define LHBITS(a) (((a) >> BN_BITS2) & BN_MASKl)
- #define LL2HBITS(a) ((BN_ULLONG)((a) & BN_MASKl) << BN_BITS2)
-
- #define mul64(l, h, bl, bh) \
- { \
- BN_ULONG m, m1, lt, ht; \
- \
- lt = l; \
- ht = h; \
- m = (bh) * (lt); \
- lt = (bl) * (lt); \
- m1 = (bl) * (ht); \
- ht = (bh) * (ht); \
- m = (m + m1) & BN_MASK2; \
- if (m < m1) \
- ht += L2HBITS((BN_ULONG)1); \
- ht += HBITS(m); \
- m1 = L2HBITS(m); \
- lt = (lt + m1) & BN_MASK2; \
- if (lt < m1) \
- ht++; \
- (l) = lt; \
- (h) = ht; \
- }
-
- #endif /* !defined(BN_LLONG) */
-
- #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64)
- # if defined(__GNUC__) && __GNUC__ >= 2
- # define BN_UMULT_HIGH(a,b) ({ \
- register BN_ULONG ret,discard; \
- __asm__ ("mulq %3" \
- : "=a"(discard),"=d"(ret) \
- : "a"(a), "g"(b) \
- : "cc"); \
- ret; })
- # define BN_UMULT_LOHI(low,high,a,b) \
- __asm__ ("mulq %3" \
- : "=a"(low),"=d"(high) \
- : "a"(a),"g"(b) \
- : "cc");
- # elif defined(_MSC_VER) && _MSC_VER >= 1400
- # define BN_UMULT_HIGH(a, b) __umulh((a), (b))
- # define BN_UMULT_LOHI(low, high, a, b) ((low) = _umul128((a), (b), &(high)))
- # endif
- #elif !defined(OPENSSL_NO_ASM) && defined(OPENSSL_AARCH64)
- # if defined(__GNUC__) && __GNUC__>=2
- # define BN_UMULT_HIGH(a,b) ({ \
- register BN_ULONG ret; \
- __asm__ ("umulh %0,%1,%2" \
- : "=r"(ret) \
- : "r"(a), "r"(b)); \
- ret; })
- # endif
- #endif
-
-
- #if defined(__cplusplus)
- } /* extern C */
- #endif
-
- #endif /* OPENSSL_HEADER_BN_INTERNAL_H */
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