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05a5a1fa3e
Summary: Adding blake3 for the upcoming migration to it. bypass-github-export-checks Reviewed By: chadaustin Differential Revision: D43567300 fbshipit-source-id: a0c81b42309cab65cf68be9be0530c86e0e91e95
38 lines
812 B
C++
38 lines
812 B
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <folly/Range.h>
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#include <blake3.h> // @manual
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namespace facebook::eden {
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struct Blake3 final {
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Blake3();
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/*
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* Initialize a blake3_hasher in the keyed hashing mode. The key must be
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* exactly 32 bytes.
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* It mostly used for security purposes to make it harder creating a rainbow
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* table in the future
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*/
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explicit Blake3(folly::ByteRange key);
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void update(const void* data, size_t size);
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void update(folly::ByteRange data);
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void update(folly::StringPiece data);
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void finalize(folly::MutableByteRange out);
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private:
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blake3_hasher hasher_;
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};
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} // namespace facebook::eden
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