Nagram/TMessagesProj/jni/voip/webrtc/base/hash/sha1.h

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2020-08-14 16:58:22 +00:00
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_HASH_SHA1_H_
#define BASE_HASH_SHA1_H_
#include <stddef.h>
#include <array>
#include <string>
#include "base/base_export.h"
#include "base/containers/span.h"
namespace base {
// These functions perform SHA-1 operations.
enum { kSHA1Length = 20 }; // Length in bytes of a SHA-1 hash.
// The output of a SHA-1 operation.
using SHA1Digest = std::array<uint8_t, kSHA1Length>;
// Computes the SHA-1 hash of the input |data| and returns the full hash.
BASE_EXPORT SHA1Digest SHA1HashSpan(span<const uint8_t> data);
// Computes the SHA-1 hash of the input string |str| and returns the full
// hash.
BASE_EXPORT std::string SHA1HashString(const std::string& str);
// Computes the SHA-1 hash of the |len| bytes in |data| and puts the hash
// in |hash|. |hash| must be kSHA1Length bytes long.
BASE_EXPORT void SHA1HashBytes(const unsigned char* data,
size_t len,
unsigned char* hash);
} // namespace base
#endif // BASE_HASH_SHA1_H_