Add gen-pubkeypair

gen-pubkeypair.cc

@@ -0,0 +1,30 @@
+#include <iostream>
+
+#include "nacl/build/instance1/include/amd64/crypto_box.h"
+
+class CryptoBase {
+	public:
+		static const std::string BinToHex(const std::string& bin) {
+			static const char *hex = "0123456789ABCDEF";
+			std::string ret;
+			ret.reserve(bin.length() * 2);
+			for (size_t i = 0; i < bin.length(); i++) {
+				const char c = bin[i];
+				ret.push_back(hex[(c & 0xf0) >> 4]);
+				ret.push_back(hex[c & 0x0f]);
+			}
+			return ret;
+		}
+};
+
+int main() {
+	std::string pk;
+	std::string sk;
+
+	pk = crypto_box_keypair(&sk);
+
+	std::cout << "Secret: " << CryptoBase::BinToHex(sk) << std::endl;
+	std::cout << "Public: " << CryptoBase::BinToHex(pk) << std::endl;
+
+	return 0;
+}