// 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 #include #include #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; // 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 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_