rename core -> toxcore

solanaceae/toxcore/utils.cpp

@@ -0,0 +1,23 @@
+#include "./utils.hpp"
+
+#include <sodium.h>
+
+std::vector<uint8_t> hex2bin(const std::string& str) {
+	std::vector<uint8_t> bin{};
+	bin.resize(str.size()/2, 0);
+
+	sodium_hex2bin(bin.data(), bin.size(), str.c_str(), str.length(), nullptr, nullptr, nullptr);
+
+	return bin;
+}
+
+std::string bin2hex(const std::vector<uint8_t>& bin) {
+	std::string str{};
+	str.resize(bin.size()*2, '?');
+
+	// HECK, std is 1 larger than size returns ('\0')
+	sodium_bin2hex(str.data(), str.size()+1, bin.data(), bin.size());
+
+	return str;
+}
+