好吧,我下載從這裏的Rijndael來源:http://www.codeproject.com/Articles/1380/A-C-Implementation-of-the-Rijndael-Encryption-Decr塊長度 - Rijndael算法
我有以下代碼:
int AutoUpdater::GetVersion()
{
std::ifstream file("ver.dat", std::ios::out);
if(file.fail())
return 0;
file.seekg(0,std::ios::end);
int len = (int)file.tellg();
file.seekg(0,std::ios::beg);
char* line = new char[len];
file.read(line,len);
file.close();
CRijndael crypt;
crypt.MakeKey("MIUJkHyHnjHyGtqO", "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16, 16);
char * decrypted = new char[len];
crypt.Decrypt(line,decrypted,len);
delete[] line;
delete [] decrypted;
return atoi(line);
}
但它給這個錯誤:「數據不可多塊大小」
我的文件加密必須有一個固定的長度?