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Merge remote-tracking branch 'origin/master'

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# Conflicts:
#	README.md
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Zhi Guan
2017-02-14 16:12:29 +08:00
parent d2254170b8
commit 43fed1108d
3503 changed files with 320546 additions and 408546 deletions
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109
crypto/bn/bn_nist.c
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@@ -1,63 +1,14 @@
/* crypto/bn/bn_nist.c */
/*
* Written by Nils Larsch for the OpenSSL project
*/
/* ====================================================================
* Copyright (c) 1998-2005 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 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "bn_lcl.h"
#include "cryptlib.h"
#include "internal/cryptlib.h"
#define BN_NIST_192_TOP (192+BN_BITS2-1)/BN_BITS2
#define BN_NIST_224_TOP (224+BN_BITS2-1)/BN_BITS2
@@ -379,8 +330,8 @@ int BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
PTR_SIZE_INT mask;
static const BIGNUM _bignum_nist_p_192_sqr = {
(BN_ULONG *)_nist_p_192_sqr,
sizeof(_nist_p_192_sqr) / sizeof(_nist_p_192_sqr[0]),
sizeof(_nist_p_192_sqr) / sizeof(_nist_p_192_sqr[0]),
OSSL_NELEM(_nist_p_192_sqr),
OSSL_NELEM(_nist_p_192_sqr),
0, BN_FLG_STATIC_DATA
};
@@ -524,8 +475,8 @@ int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
} u;
static const BIGNUM _bignum_nist_p_224_sqr = {
(BN_ULONG *)_nist_p_224_sqr,
sizeof(_nist_p_224_sqr) / sizeof(_nist_p_224_sqr[0]),
sizeof(_nist_p_224_sqr) / sizeof(_nist_p_224_sqr[0]),
OSSL_NELEM(_nist_p_224_sqr),
OSSL_NELEM(_nist_p_224_sqr),
0, BN_FLG_STATIC_DATA
};
@@ -645,7 +596,7 @@ int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
#endif
} else if (carry < 0) {
/*
* it's a bit more comlicated logic in this case. if bn_add_words
* it's a bit more complicated logic in this case. if bn_add_words
* yields no carry, then result has to be adjusted by unconditionally
* *adding* the modulus. but if it does, then result has to be
* compared to the modulus and conditionally adjusted by
@@ -705,8 +656,8 @@ int BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
} u;
static const BIGNUM _bignum_nist_p_256_sqr = {
(BN_ULONG *)_nist_p_256_sqr,
sizeof(_nist_p_256_sqr) / sizeof(_nist_p_256_sqr[0]),
sizeof(_nist_p_256_sqr) / sizeof(_nist_p_256_sqr[0]),
OSSL_NELEM(_nist_p_256_sqr),
OSSL_NELEM(_nist_p_256_sqr),
0, BN_FLG_STATIC_DATA
};
@@ -951,8 +902,8 @@ int BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
} u;
static const BIGNUM _bignum_nist_p_384_sqr = {
(BN_ULONG *)_nist_p_384_sqr,
sizeof(_nist_p_384_sqr) / sizeof(_nist_p_384_sqr[0]),
sizeof(_nist_p_384_sqr) / sizeof(_nist_p_384_sqr[0]),
OSSL_NELEM(_nist_p_384_sqr),
OSSL_NELEM(_nist_p_384_sqr),
0, BN_FLG_STATIC_DATA
};
@@ -1209,8 +1160,8 @@ int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
PTR_SIZE_INT mask;
static const BIGNUM _bignum_nist_p_521_sqr = {
(BN_ULONG *)_nist_p_521_sqr,
sizeof(_nist_p_521_sqr) / sizeof(_nist_p_521_sqr[0]),
sizeof(_nist_p_521_sqr) / sizeof(_nist_p_521_sqr[0]),
OSSL_NELEM(_nist_p_521_sqr),
OSSL_NELEM(_nist_p_521_sqr),
0, BN_FLG_STATIC_DATA
};
@@ -1239,9 +1190,20 @@ int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
top - (BN_NIST_521_TOP - 1), BN_NIST_521_TOP);
/* ... and right shift */
for (val = t_d[0], i = 0; i < BN_NIST_521_TOP - 1; i++) {
#if 0
/*
* MSC ARM compiler [version 2013, presumably even earlier,
* much earlier] miscompiles this code, but not one in
* #else section. See RT#3541.
*/
tmp = val >> BN_NIST_521_RSHIFT;
val = t_d[i + 1];
t_d[i] = (tmp | val << BN_NIST_521_LSHIFT) & BN_MASK2;
#else
t_d[i] = (val >> BN_NIST_521_RSHIFT |
(tmp = t_d[i + 1]) << BN_NIST_521_LSHIFT) & BN_MASK2;
val = tmp;
#endif
}
t_d[i] = val >> BN_NIST_521_RSHIFT;
/* lower 521 bits */
@@ -1260,3 +1222,18 @@ int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
return 1;
}
int (*BN_nist_mod_func(const BIGNUM *p)) (BIGNUM *r, const BIGNUM *a,
const BIGNUM *field, BN_CTX *ctx) {
if (BN_ucmp(&_bignum_nist_p_192, p) == 0)
return BN_nist_mod_192;
if (BN_ucmp(&_bignum_nist_p_224, p) == 0)
return BN_nist_mod_224;
if (BN_ucmp(&_bignum_nist_p_256, p) == 0)
return BN_nist_mod_256;
if (BN_ucmp(&_bignum_nist_p_384, p) == 0)
return BN_nist_mod_384;
if (BN_ucmp(&_bignum_nist_p_521, p) == 0)
return BN_nist_mod_521;
return 0;
}