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- // 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"
- #include "base/strings/string_piece.h"
- #include "build/build_config.h"
- #if BUILDFLAG(IS_NACL)
- #include "base/hash/sha1_nacl.h"
- #else
- #include "base/hash/sha1_boringssl.h"
- #endif
- namespace base {
- enum { kSHA1Length = 20 }; // Length in bytes of a SHA-1 hash.
- // The output of an SHA-1 operation.
- using SHA1Digest = std::array<uint8_t, kSHA1Length>;
- // These functions perform SHA-1 operations.
- // 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(StringPiece 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);
- // These functions allow streaming SHA-1 operations.
- BASE_EXPORT void SHA1Init(SHA1Context& context);
- BASE_EXPORT void SHA1Update(const StringPiece data, SHA1Context& context);
- BASE_EXPORT void SHA1Final(SHA1Context& context, SHA1Digest& digest);
- } // namespace base
- #endif // BASE_HASH_SHA1_H_
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