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- /*
- * Copyright 2009-2021 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (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 "internal/cryptlib.h"
- #include "crypto/ppc_arch.h"
- #include "ec_local.h"
- void ecp_nistz256_mul_mont(unsigned long res[4], const unsigned long a[4],
- const unsigned long b[4]);
- void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4]);
- void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4])
- {
- static const unsigned long RR[] = { 0x0000000000000003U,
- 0xfffffffbffffffffU,
- 0xfffffffffffffffeU,
- 0x00000004fffffffdU };
- ecp_nistz256_mul_mont(res, in, RR);
- }
- void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4]);
- void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4])
- {
- static const unsigned long one[] = { 1, 0, 0, 0 };
- ecp_nistz256_mul_mont(res, in, one);
- }
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