Organize source files into directory.

src/crypto/WIF.cpp

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+/**
+ * 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 "base58.h"
+#include "checksum.h"
+#include "WIF.h"
+
+namespace eoskeygen {
+
+#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 eoskeygen

src/crypto/WIF.h

@@ -0,0 +1,40 @@
+/**
+ * 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.
+ */
+#ifndef EOSIOKEYGEN_CRYPTO_WIF_H
+#define EOSIOKEYGEN_CRYPTO_WIF_H
+
+#include <string>
+#include "types.h"
+
+namespace eoskeygen {
+
+std::string wif_priv_encode(ec_privkey_t priv);
+
+std::string wif_pub_encode(ec_pubkey_t pub);
+
+void wif_print_key(const struct ec_keypair *key);
+
+} // namespace eoskeygen
+
+#endif /* EOSIOKEYGEN_CRYPTO_WIF_H */

src/crypto/base58.cpp

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+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2009-2019 The Bitcoin Core developers
+ * Copyright (c) 2009-2019 Bitcoin Developers
+ *
+ * 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.
+ *
+ * Based on code from https://github.com/bitcoin/bitcoin/blob/f1e2f2a85962c1664e4e55471061af0eaa798d40/src/base58.cpp
+ */
+#include <cstddef>
+#include <cassert>
+#include "base58.h"
+
+namespace eoskeygen {
+
+static const char charmap[59] = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+
+std::string base58_encode(const unsigned char* pbegin, const unsigned char* pend) {
+
+    // Skip & count leading zeroes.
+    int zeroes = 0;
+    int length = 0;
+    while (pbegin != pend && *pbegin == 0) {
+        pbegin++;
+        zeroes++;
+    }
+    // Allocate enough space in big-endian base58 representation.
+    std::size_t size = (pend - pbegin) * 138 / 100 + 1; // log(256) / log(58), rounded up.
+    std::vector<unsigned char> b58(size);
+    // Process the bytes.
+    while (pbegin != pend) {
+        int carry = *pbegin;
+        int i = 0;
+        // Apply "b58 = b58 * 256 + ch".
+        for (std::vector<unsigned char>::reverse_iterator it = b58.rbegin(); (carry != 0 || i < length) && (it != b58.rend()); it++, i++) {
+            carry += 256 * (*it);
+            *it = static_cast<unsigned char>(carry % 58);
+            carry /= 58;
+        }
+
+        assert(carry == 0);
+        length = i;
+        pbegin++;
+    }
+    // Skip leading zeroes in base58 result.
+    std::vector<unsigned char>::iterator it = b58.begin() + (size - length);
+    while (it != b58.end() && *it == 0)
+        it++;
+    // Translate the result into a string.
+    std::string str;
+    str.reserve(zeroes + (b58.end() - it));
+    str.assign(zeroes, '1');
+    while (it != b58.end())
+        str += charmap[*(it++)];
+    return str;
+}
+
+std::string base58_encode(const std::string& str) {
+
+    const unsigned char *ptr = (const unsigned char *) str.c_str();
+    return base58_encode(ptr, ptr + str.length());
+}
+
+std::string base58_encode(const std::vector<unsigned char>& vch) {
+
+    return base58_encode(vch.data(), vch.data() + vch.size());
+}
+
+} // namespace eoskeygen

src/crypto/base58.h

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+/**
+ * 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.
+ */
+#ifndef EOSIOKEYGEN_CRYPTO_BASE58_H
+#define EOSIOKEYGEN_CRYPTO_BASE58_H
+
+#include <string>
+#include <vector>
+
+namespace eoskeygen {
+
+std::string base58_encode(const std::string& str);
+std::string base58_encode(const std::vector<unsigned char>& vch);
+std::string base58_encode(const unsigned char* pbegin, const unsigned char* pend);
+
+} //namespace eoskeygen
+
+#endif /* EOSIOKEYGEN_CRYPTO_BASE58_H */

src/crypto/checksum.h

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+/**
+ * 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.
+ */
+#ifndef EOSIOKEYGEN_CRYPTO_EOS_CHECKSUM_H
+#define EOSIOKEYGEN_CRYPTO_EOS_CHECKSUM_H
+
+#include <cstddef>
+#include <cstring>
+#include <array>
+#include "hash.h"
+
+namespace eoskeygen {
+
+#define CHECKSUM_SIZE 4
+
+typedef std::array<unsigned char, CHECKSUM_SIZE> checksum_t;
+
+template <typename T, T* (*F)(const unsigned char *, std::size_t, T*)>
+inline checksum_t checksum(const unsigned char* data, std::size_t len) {
+	checksum_t crc;
+	T hash;
+
+	F(data, len, &hash);
+	std::memcpy(crc.data(), &hash, crc.size());
+	return crc;
+}
+
+#define checksum_sha256 checksum<sha256_t, sha256>
+#define checksum_sha256d checksum<sha256_t, sha256d>
+#define checksum_ripemd160 checksum<ripemd160_t, ripemd160>
+
+} // namespace eoskeygen
+
+#endif /* EOSIOKEYGEN_CHECKSUM_H */