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22 lines
616 B
C++
22 lines
616 B
C++
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <stddef.h>
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#include "crypto/secure_util.h"
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namespace crypto {
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bool SecureMemEqual(const void* s1, const void* s2, size_t n) {
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const unsigned char* s1_ptr = reinterpret_cast<const unsigned char*>(s1);
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const unsigned char* s2_ptr = reinterpret_cast<const unsigned char*>(s2);
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unsigned char tmp = 0;
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for (size_t i = 0; i < n; ++i, ++s1_ptr, ++s2_ptr)
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tmp |= *s1_ptr ^ *s2_ptr;
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return (tmp == 0);
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}
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} // namespace crypto
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