jeffro256
60 lines
2.6 KiB
C++
60 lines
2.6 KiB
C++
// Copyright (c) 2024, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Core hash functions for Seraphis (note: this implementation satisfies the Jamtis specification).
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#pragma once
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//local headers
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//third party headers
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//standard headers
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#include <cstddef>
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//forward declarations
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namespace carrot
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{
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/// H_3(x): 3-byte output
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void derive_bytes_3(const void *data, const std::size_t data_length, const void *key, void *hash_out);
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/// H_8(x): 8-byte output
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void derive_bytes_8(const void *data, const std::size_t data_length, const void* key, void *hash_out);
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/// H_16(x): 16-byte output
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void derive_bytes_16(const void *data, const std::size_t data_length, const void *key, void *hash_out);
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/// H_32(x): 32-byte output
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void derive_bytes_32(const void *data, const std::size_t data_length, const void *key, void *hash_out);
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/// H_64(x): 64-byte output
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void derive_bytes_64(const void *data, const std::size_t data_length, const void *key, void *hash_out);
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/// H_n(x): unclamped Curve25519/Ed25519 group scalar output (32 bytes)
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void derive_scalar(const void *data, const std::size_t data_length, const void *key, void *hash_out);
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} //namespace carrot
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