jeffro256
96 lines
3.4 KiB
C++
96 lines
3.4 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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// Utilities for building carrot addresses.
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#pragma once
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//local headers
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#include "crypto/crypto.h"
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//third party headers
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//standard headers
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//forward declarations
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namespace carrot
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{
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/**
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* brief: is_main_address_index - determine whether j=(j_major, j_minor) represents the main address
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*/
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static constexpr bool is_main_address_index(const std::uint32_t j_major, const std::uint32_t j_minor)
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{
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return !(j_major || j_minor);
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}
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/**
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* brief: make_carrot_index_extension_generator - s^j_gen
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* s^j_gen = H_32[s_ga](j_major, j_minor)
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* param: s_generate_address - s_ga
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* param: j_major -
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* param: j_minor -
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* outparam: address_generator_out - s^j_gen
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*/
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void make_carrot_index_extension_generator(const crypto::secret_key &s_generate_address,
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const std::uint32_t j_major,
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const std::uint32_t j_minor,
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crypto::secret_key &address_generator_out);
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/**
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* brief: make_carrot_address_privkey - d^j_a
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* k^j_subscal = H_n(K_s, j_major, j_minor, s^j_gen)
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* param: account_spend_pubkey - K_s = k_vb X + k_m U
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* param: s_address_generator - s^j_gen
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* param: j_major -
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* param: j_minor -
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* outparam: subaddress_scalar_out - k^j_subscal
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*/
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void make_carrot_subaddress_scalar(const crypto::public_key &account_spend_pubkey,
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const crypto::secret_key &s_address_generator,
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const std::uint32_t j_major,
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const std::uint32_t j_minor,
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crypto::secret_key &subaddress_scalar_out);
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/**
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* brief: make_carrot_address_spend_pubkey - K^j_s
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* K^j_s = k^j_subscal * K_s
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* param: account_spend_pubkey - K_s = k_gi G + k_ps U
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* param: s_generate_address - s_ga
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* param: j_major -
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* param: j_minor -
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* outparam: address_spend_pubkey_out - K^j_s
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*/
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void make_carrot_address_spend_pubkey(const crypto::public_key &account_spend_pubkey,
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const crypto::secret_key &s_generate_address,
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const std::uint32_t j_major,
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const std::uint32_t j_minor,
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crypto::public_key &address_spend_pubkey_out);
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} //namespace carrot
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