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3d178db73b
Fixes #13336 Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15828)
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* Copyright 2009-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (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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#include "internal/cryptlib.h"
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#include "crypto/ppc_arch.h"
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#include "ec_local.h"
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void ecp_nistz256_mul_mont(unsigned long res[4], const unsigned long a[4],
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const unsigned long b[4]);
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void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4]);
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void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4])
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{
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static const unsigned long RR[] = { 0x0000000000000003U,
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0xfffffffbffffffffU,
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0xfffffffffffffffeU,
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0x00000004fffffffdU };
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ecp_nistz256_mul_mont(res, in, RR);
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}
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void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4]);
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void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4])
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{
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static const unsigned long one[] = { 1, 0, 0, 0 };
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ecp_nistz256_mul_mont(res, in, one);
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}
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