9d987de3aa
Add copyright to files that were missing it. Update license from OpenSSL to Apache as needed. Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17606)
28 lines
837 B
C
28 lines
837 B
C
/*
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* Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright 2016 Cryptography Research, Inc.
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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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* Originally written by Mike Hamburg
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*/
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#ifndef OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H
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# define OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H
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# include "internal/constant_time.h"
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# define ARCH_WORD_BITS 64
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# define word_is_zero(a) constant_time_is_zero_64(a)
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static ossl_inline uint128_t widemul(uint64_t a, uint64_t b)
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{
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return ((uint128_t) a) * b;
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}
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#endif /* OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H */
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