49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright 2011 The Chromium Authors
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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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#ifndef BASE_HASH_SHA1_H_
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#define BASE_HASH_SHA1_H_
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#include <stddef.h>
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#include <array>
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#include <string>
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#include "base/base_export.h"
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#include "base/containers/span.h"
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#include "base/strings/string_piece.h"
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#include "build/build_config.h"
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#if BUILDFLAG(IS_NACL)
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#include "base/hash/sha1_nacl.h"
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#else
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#include "base/hash/sha1_boringssl.h"
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#endif
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namespace base {
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enum { kSHA1Length = 20 }; // Length in bytes of a SHA-1 hash.
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// The output of an SHA-1 operation.
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using SHA1Digest = std::array<uint8_t, kSHA1Length>;
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// These functions perform SHA-1 operations.
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// Computes the SHA-1 hash of the input |data| and returns the full hash.
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BASE_EXPORT SHA1Digest SHA1HashSpan(span<const uint8_t> data);
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// Computes the SHA-1 hash of the input string |str| and returns the full
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// hash.
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BASE_EXPORT std::string SHA1HashString(StringPiece str);
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// Computes the SHA-1 hash of the |len| bytes in |data| and puts the hash
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// in |hash|. |hash| must be kSHA1Length bytes long.
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BASE_EXPORT void SHA1HashBytes(const unsigned char* data,
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size_t len,
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unsigned char* hash);
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// These functions allow streaming SHA-1 operations.
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BASE_EXPORT void SHA1Init(SHA1Context& context);
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BASE_EXPORT void SHA1Update(const StringPiece data, SHA1Context& context);
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BASE_EXPORT void SHA1Final(SHA1Context& context, SHA1Digest& digest);
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} // namespace base
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#endif // BASE_HASH_SHA1_H_
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