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102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
// Copyright (c) 2014, 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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/*!
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* \file electrum-words.h
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*
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* \brief Mnemonic seed generation and wallet restoration from them.
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*
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* This file and its cpp file are for translating Electrum-style word lists
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* into their equivalent byte representations for cross-compatibility with
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* that method of "backing up" one's wallet keys.
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*/
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#include <string>
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#include <cstdint>
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#include <map>
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#include "crypto/crypto.h" // for declaration of crypto::secret_key
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/*!
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* \namespace crypto
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*
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* \brief crypto namespace.
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*/
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namespace crypto
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{
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/*!
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* \namespace crypto::ElectrumWords
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*
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* \brief Mnemonic seed word generation and wallet restoration helper functions.
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*/
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namespace ElectrumWords
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{
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/*!
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* \brief Called to initialize it to work with a word list file.
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* \param language Language of the word list file.
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* \param has_checksum True if the checksum was passed false if not.
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* \param old_word_list true it is to use the old style word list file false if not.
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*/
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void init(const std::string &language, bool has_checksum=true, bool old_word_list=false);
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/*!
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* \brief Converts seed words to bytes (secret key).
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* \param words String containing the words separated by spaces.
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* \param dst To put the secret key restored from the words.
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* \return false if not a multiple of 3 words, or if word is not in the words list
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*/
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bool words_to_bytes(const std::string& words, crypto::secret_key& dst);
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/*!
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* \brief Converts bytes (secret key) to seed words.
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* \param src Secret key
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* \param words Space delimited concatenated words get written here.
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* \return true if successful false if not. Unsuccessful if wrong key size.
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*/
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bool bytes_to_words(const crypto::secret_key& src, std::string& words);
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/*!
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* \brief Gets a list of seed languages that are supported.
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* \param languages The vector is set to the list of languages.
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*/
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void get_language_list(std::vector<std::string> &languages);
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/*!
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* \brief If the module is currenly using an old style word list.
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* \return true if it is currenly using an old style word list false if not.
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*/
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bool get_is_old_style_word_list();
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/*!
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* \brief Tells if the seed passed is an old style seed or not.
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* \param seed The seed to check (a space delimited concatenated word list)
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* \return true if the seed passed is a old style seed false if not.
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*/
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bool get_is_old_style_seed(const std::string &seed);
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}
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}
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