replaced SHA256D by GOSTD

src/server/shared/Bitcoin/Block.cpp

@@ -16,7 +16,7 @@ namespace Bitcoin
             for (uint32 i = 0; i < size; i += 2)
             {
                 uint32 i2 = std::min(i+1, size-1);
-                merkleTree.push_back(Crypto::SHA256D(Util::Join(merkleTree[j+i], merkleTree[j+i2])));
+                merkleTree.push_back(Crypto::GOSTD(Util::Join(merkleTree[j+i], merkleTree[j+i2])));
             }
             
             j += size;
@@ -35,7 +35,7 @@ namespace Bitcoin
         uint32 j = 0;
         for (uint32 size = tx.size(); size > 1; size = (size+1)/2)
         {
-            merkleTree[j+size] = Crypto::SHA256D(Util::Join(merkleTree[j], merkleTree[j+1]));
+            merkleTree[j+size] = Crypto::GOSTD(Util::Join(merkleTree[j], merkleTree[j+1]));
             j += size;
         }
         
@@ -52,6 +52,6 @@ namespace Bitcoin
         buf << time;
         buf << bits;
         buf << nonce;
-        return Crypto::SHA256D(buf.Binary());
+        return Crypto::GOSTD(buf.Binary());
     }
 }

src/server/shared/Bitcoin/Transaction.cpp

@@ -7,6 +7,6 @@ namespace Bitcoin
     {
         ByteBuffer buf;
         buf << *this;
-        return Crypto::SHA256D(buf.Binary());
+        return Crypto::GOSTD(buf.Binary());
     }
 }

src/server/shared/Crypto.cpp

@@ -3,32 +3,11 @@
 
 namespace Crypto
 {
-    BinaryData SHA256(BinaryData data)
-    {
-        std::vector<byte> hash;
-        hash.resize(SHA256_DIGEST_LENGTH);
-        SHA256_CTX sha256;
-        SHA256_Init(&sha256);
-        SHA256_Update(&sha256, &data[0], data.size());
-        SHA256_Final(&hash[0], &sha256);
-        return std::vector<byte>(hash.begin(), hash.end());
-    }
-    
-    BinaryData SHA256(std::string data)
-    {
-        return SHA256(BinaryData(data.begin(), data.end()));
-    }
-    
-    BinaryData SHA256D(BinaryData data)
-    {
-        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;
+		std::vector<byte> hash(32);
 		i2p::crypto::GOSTR3411_2012_256 (hash1, 64, &hash[0]);
 		return 	std::vector<byte>(hash.begin(), hash.end());
 	}

src/server/shared/Crypto.h

@@ -9,10 +9,6 @@
 
 namespace Crypto
 {
-    BinaryData SHA256(BinaryData data);
-    BinaryData SHA256(std::string data);
-    BinaryData SHA256D(BinaryData data);
-
 	BinaryData GOSTD(BinaryData data);
 }