Initial Commit

src/WIF.cpp

@@ -0,0 +1,66 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019-2020 EOS Sw/eden
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <iostream>
+#include <string.h>
+#include <libeosio/base58.h>
+#include <libeosio/checksum.h>
+#include <libeosio/WIF.h>
+
+namespace libeosio {
+
+#define PRIV_KEY_PREFIX 0x80 /* 0x80 for "Bitcoin mainnet". Always used by EOS. */
+
+std::string wif_priv_encode(ec_privkey_t priv) {
+
+	checksum_t check;
+	// 1 byte extra for prefix.
+	unsigned char buf[1 + EC_PRIVKEY_SIZE + CHECKSUM_SIZE] = { PRIV_KEY_PREFIX };
+
+	memcpy(buf + 1, priv.data(), priv.size());
+
+	// Checksum
+	check = checksum_sha256d(buf, 1 + EC_PRIVKEY_SIZE);
+	memcpy(buf + 1 + EC_PRIVKEY_SIZE, check.data(), check.size());
+
+	return base58_encode(buf, buf + sizeof(buf));
+}
+
+std::string wif_pub_encode(ec_pubkey_t pub) {
+
+	checksum_t check = checksum_ripemd160(pub.data(), pub.size());
+	unsigned char buf[EC_PUBKEY_SIZE + CHECKSUM_SIZE];
+
+	memcpy(buf, pub.data(), pub.size());
+	memcpy(buf + EC_PUBKEY_SIZE, check.data(), check.size());
+
+	return "EOS" + base58_encode(buf, buf + sizeof(buf));
+}
+
+void wif_print_key(const struct ec_keypair *key) {
+
+	std::cout << "Public: " << wif_pub_encode(key->pub) << std::endl;
+	std::cout << "Private: " << wif_priv_encode(key->secret) << std::endl;
+}
+
+} // namespace libeosio