mirror of
https://github.com/eosswedenorg/antelope-keygen
synced 2026-06-17 03:50:03 +02:00
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/**
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* MIT License
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*
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* Copyright (c) 2019-2021 EOS Sw/eden
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <algorithm>
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#include <eoskeygen/core/leet.hpp>
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namespace eoskeygen {
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static bool is_l33t(char ch, char& r) {
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// '1', '2', '3', '4', '5', '6', '7', '8', '9'
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static char alphabet[9] = { 'l', 'z', 'e', 'a', 's', 'G', 't', 'B', 'g' };
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for(std::size_t i = 0; i < sizeof(alphabet) / sizeof(char); i++) {
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if (ch == alphabet[i]) {
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r = static_cast<char>('1' + i);
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return true;
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}
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}
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return false;
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}
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static void _l33t(strlist_t& list, const std::string& a, std::size_t pos) {
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// Find the next character to be replaced.
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for(std::size_t i = pos; i < a.length(); i++) {
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char ch;
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if (is_l33t(a[i], ch)) {
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// create a new string and replace the character.
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std::string b = a;
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b[i] = ch;
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// Store the new string as the result.
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list.push_back(b);
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// Perform the same algorithm for both strings
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// at the next position.
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_l33t(list, a, i + 1);
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_l33t(list, b, i + 1);
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break;
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}
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}
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}
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strlist_t l33twords(std::string str) {
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strlist_t list;
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// "l" is abit special and are not included in base58 so we set it to 1.
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// All other characters in "l33t" are valid.
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std::transform(str.begin(), str.end(), str.begin(), [](char c){ return c == 'l' ? '1' : c; });
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// Store the original string as the first in list.
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list.push_back(str);
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_l33t(list, str, 0);
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return list;
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}
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} // namespace eoskeygen
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