Saves a backup of the working file you are about to begin operating on.

SHNFileDecryptor/SHNFileDecryptor.cpp

@@ -219,7 +219,7 @@ class SHNFile{
 	}
 	int marker=0;
 	std::vector<byte>cryptHeader;
-	std::vector<byte>data;
+	std::vector<byte>data,rawData;
 	uint32_t header=0,recordCount=0,defaultRecordLength=0,columnCount=0;
 	std::vector<Column>columns;
 	std::vector<std::vector<Data>>contents;
@@ -231,12 +231,23 @@ public:
 		header=recordCount=defaultRecordLength=columnCount=0;
 		columns.clear();
 		contents.clear();
+		rawData.clear();
 		marker=0;
 		std::chrono::time_point<std::chrono::high_resolution_clock>timer=std::chrono::high_resolution_clock::now();
 		filename=file;
+
+		//FILE OPERATIONS!
 		std::ifstream f(filename,std::ios::binary);
 		cryptHeader=ReadBytes(f,0x20);
-		data=ReadBytes(f,ReadInt32(f)-0x24);
+		std::copy(cryptHeader.begin(),cryptHeader.end(),std::back_inserter(rawData));
+		int readAmt=ReadInt32(f);
+		rawData.push_back(byte(readAmt&0xFF));
+		rawData.push_back(byte((readAmt>>8)&0xFF));
+		rawData.push_back(byte((readAmt>>16)&0xFF));
+		rawData.push_back(byte((readAmt>>24)&0xFF));
+		data=ReadBytes(f,readAmt-0x24);
+		std::copy(data.begin(),data.end(),std::back_inserter(rawData));
+
 		Decrypt();
 		header=ReadUInt32();
 		recordCount=ReadUInt32();
@@ -302,8 +313,8 @@ public:
 	void Save(){
 		std::ofstream fBackup(filename+".bak",std::ios::binary);
 		std::cout<<"Saving a backup to "<<filename+".bak"<<std::endl;
-		for(int i=0;i<data.size();i++){
+		for(int i=0;i<rawData.size();i++){
-			fBackup<<unsigned char(data[i]);
+			fBackup<<unsigned char(rawData[i]);
 		}
 		std::cout<<"Saving new file..."<<std::endl;
 		//std::ofstream f("save_"+filename,std::ios::binary);