sigonasr2/SHNFileDecryptor
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Saves a backup of the working file you are about to begin operating on.

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This commit is contained in:
sigonasr2 2023-08-04 02:06:14 -05:00
parent cfc197ac27
commit 89ce51cd6f
2 changed files with 15 additions and 4 deletions
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SHNFileDecryptor/AbState.shn.bak
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19
SHNFileDecryptor/SHNFileDecryptor.cpp
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@ -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++){
fBackup<<unsigned char(data[i]);
for(int i=0;i<rawData.size();i++){
fBackup<<unsigned char(rawData[i]);
}
std::cout<<"Saving new file..."<<std::endl;
//std::ofstream f("save_"+filename,std::ios::binary);