GOSTD implemntation

src/server/shared/Crypto.cpp

@@ -1,4 +1,5 @@
 #include "Crypto.h"
+#include "Gost.h"
 
 namespace Crypto
 {
@@ -22,4 +23,13 @@ namespace Crypto
     {
         return SHA256(SHA256(data));
     }
+
+	BinaryData GOSTD(BinaryData data)
+	{
+		uint8_t hash1[64];
+		i2p::crypto::GOSTR3411_2012_512 (&data[0], data.size (), hash1);	
+		std::vector<byte> hash;
+		i2p::crypto::GOSTR3411_2012_256 (hash1, 64, &hash[0]);
+		return 	std::vector<byte>(hash.begin(), hash.end());
+	}
 }

src/server/shared/Crypto.h

@@ -12,6 +12,8 @@ namespace Crypto
     BinaryData SHA256(BinaryData data);
     BinaryData SHA256(std::string data);
     BinaryData SHA256D(BinaryData data);
+
+	BinaryData GOSTD(BinaryData data);
 }
 
 #endif

src/server/shared/Gost.h

@@ -0,0 +1,24 @@
+/*
+* Copyright (c) 2013-2017, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+*/
+
+#ifndef GOST_H__
+#define GOST_H__
+
+#include <inttypes.h>
+
+namespace i2p
+{
+namespace crypto
+{
+
+// Big Endian
+	void GOSTR3411_2012_256 (const uint8_t * buf, size_t len, uint8_t * digest);
+	void GOSTR3411_2012_512 (const uint8_t * buf, size_t len, uint8_t * digest);	
+}
+}
+
+#endif