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rsaz_exp.h: align license with the rest of the contribution
[thirdparty/openssl.git] / crypto / bn / rsaz_exp.h
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1/*****************************************************************************
2* *
3* Copyright (c) 2012, Intel Corporation *
4* *
5* All rights reserved. *
6* *
7* Redistribution and use in source and binary forms, with or without *
8* modification, are permitted provided that the following conditions are *
9* met: *
10* *
11* * Redistributions of source code must retain the above copyright *
12* notice, this list of conditions and the following disclaimer. *
13* *
14* * Redistributions in binary form must reproduce the above copyright *
15* notice, this list of conditions and the following disclaimer in the *
16* documentation and/or other materials provided with the *
17* distribution. *
18* *
19* * Neither the name of the Intel Corporation nor the names of its *
20* contributors may be used to endorse or promote products derived from *
21* this software without specific prior written permission. *
22* *
23* *
24* THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""AS IS"" AND ANY *
25* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *
26* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR *
27* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR *
28* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
29* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
30* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
31* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
32* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
33* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
34* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
35* *
ca48ace5 36******************************************************************************
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37* Developers and authors: *
38* Shay Gueron (1, 2), and Vlad Krasnov (1) *
39* (1) Intel Corporation, Israel Development Center, Haifa, Israel *
40* (2) University of Haifa, Israel *
41*****************************************************************************/
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42
43#ifndef RSAZ_EXP_H
0f113f3e 44# define RSAZ_EXP_H
ca48ace5 45
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46# undef RSAZ_ENABLED
47# if defined(OPENSSL_BN_ASM_MONT) && \
48 (defined(__x86_64) || defined(__x86_64__) || \
49 defined(_M_AMD64) || defined(_M_X64))
50# define RSAZ_ENABLED
51
52# include <openssl/bn.h>
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53
54void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16],
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55 const BN_ULONG base_norm[16],
56 const BN_ULONG exponent[16],
57 const BN_ULONG m_norm[16], const BN_ULONG RR[16],
58 BN_ULONG k0);
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59int rsaz_avx2_eligible();
60
61void RSAZ_512_mod_exp(BN_ULONG result[8],
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62 const BN_ULONG base_norm[8], const BN_ULONG exponent[8],
63 const BN_ULONG m_norm[8], BN_ULONG k0,
64 const BN_ULONG RR[8]);
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65
66# endif
67
ca48ace5 68#endif