02cca1987b
Change-Id: I7fb9b06ec89ba11641454145708e157359b07cf0 Reviewed-on: https://boringssl-review.googlesource.com/25924 Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> Reviewed-by: Steven Valdez <svaldez@google.com>
34 lines
1.4 KiB
C
34 lines
1.4 KiB
C
/*
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* Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright (c) 2012, Intel Corporation. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*
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* Originally written by Shay Gueron (1, 2), and Vlad Krasnov (1)
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* (1) Intel Corporation, Israel Development Center, Haifa, Israel
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* (2) University of Haifa, Israel
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*/
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#ifndef OPENSSL_HEADER_BN_RSAZ_EXP_H
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#define OPENSSL_HEADER_BN_RSAZ_EXP_H
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#include <openssl/bn.h>
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// RSAZ_1024_mod_exp_avx2 sets |result| to |base_norm| raised to |exponent|
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// modulo |m_norm|. |base_norm| must be fully-reduced and |exponent| must have
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// the high bit set (it is 1024 bits wide). |RR| and |k0| must be |RR| and |n0|,
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// respectively, extracted from |m_norm|'s |BN_MONT_CTX|.
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void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16], const BN_ULONG base_norm[16],
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const BN_ULONG exponent[16],
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const BN_ULONG m_norm[16], const BN_ULONG RR[16],
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BN_ULONG k0);
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// rsaz_avx2_eligible returns one if |RSAZ_1024_mod_exp_avx2| should be used and
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// zero otherwise.
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int rsaz_avx2_eligible(void);
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#endif // OPENSSL_HEADER_BN_RSAZ_EXP_H
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