mirror of
https://github.com/eosswedenorg/libantelope
synced 2026-06-16 03:34:56 +02:00
93 lines
2.9 KiB
C++
93 lines
2.9 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 <iostream>
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#include <cstring>
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#include <libeosio/base58.hpp>
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#include <libeosio/checksum.hpp>
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#include <libeosio/WIF.hpp>
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namespace libeosio {
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#define PRIV_KEY_PREFIX 0x80 /* 0x80 for "Bitcoin mainnet". Always used by EOS. */
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std::string wif_priv_encode(const ec_privkey_t& priv) {
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checksum_t check;
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// 1 byte extra for prefix.
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unsigned char buf[1 + EC_PRIVKEY_SIZE + CHECKSUM_SIZE] = { PRIV_KEY_PREFIX };
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memcpy(buf + 1, priv.data(), priv.size());
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// Checksum
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check = checksum_sha256d(buf, 1 + EC_PRIVKEY_SIZE);
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memcpy(buf + 1 + EC_PRIVKEY_SIZE, check.data(), check.size());
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return base58_encode(buf, buf + sizeof(buf));
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}
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bool wif_priv_decode(ec_privkey_t& priv, const std::string& data) {
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std::vector<unsigned char> buf;
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if (!base58_decode(data, buf)) {
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return false;
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}
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if (buf.size() != 1 + EC_PRIVKEY_SIZE + CHECKSUM_SIZE) {
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return false;
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}
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// First byte is the prefix
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if (buf[0] != PRIV_KEY_PREFIX) {
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return false;
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}
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// Calculate and validate checksum
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if (!checksum_validate<checksum_sha256d>(buf.data(), buf.size())) {
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return false;
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}
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// Copy data to output
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memcpy(priv.data(), buf.data() + 1, priv.size());
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return true;
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}
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std::string wif_pub_encode(const ec_pubkey_t& pub, const std::string& prefix) {
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checksum_t check = checksum_ripemd160(pub.data(), pub.size());
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unsigned char buf[EC_PUBKEY_SIZE + CHECKSUM_SIZE];
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memcpy(buf, pub.data(), pub.size());
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memcpy(buf + EC_PUBKEY_SIZE, check.data(), check.size());
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return prefix.substr(0, 3) + base58_encode(buf, buf + sizeof(buf));
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}
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void wif_print_key(const struct ec_keypair *key, const std::string& prefix) {
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std::cout << "Public: " << wif_pub_encode(key->pub, prefix) << std::endl;
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std::cout << "Private: " << wif_priv_encode(key->secret) << std::endl;
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}
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} // namespace libeosio
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