// load already created wallet
public static WalletDto LoadWalletFromJson()
{
bool fileExists = File.Exists(PathToWallet + ".aes");
if (fileExists)
{
string password = "******";
// For additional security Pin the password of your files
GCHandle gch = GCHandle.Alloc(password, GCHandleType.Pinned);
// Decrypt the file
AESEncryptionHelper.FileDecrypt(PathToWallet + ".aes", PathToWallet, password);
// To increase the security of the decryption, delete the used password from the memory !
AESEncryptionHelper.ZeroMemory(gch.AddrOfPinnedObject(), password.Length * 2);
gch.Free();
using (StreamReader r = new StreamReader(PathToWallet))
{
string json = r.ReadToEnd();
List <WalletDto> items = JsonConvert.DeserializeObject <List <WalletDto> >(json);
r.Close();
DeleteFile(PathToWallet);
return(items[0]);
}
}
else
{
return(null);
}
}
// write wallet info to json
public static void WriteWalletToJson(WalletDto wallet)
{
DeleteFile(PathToWallet + ".aes");
List <WalletDto> _data = new List <WalletDto>();
_data.Add(wallet);
string json = JsonConvert.SerializeObject(_data.ToArray());
File.WriteAllText(PathToWallet, json);
string password = "******";
// For additional security Pin the password of your files
GCHandle gch = GCHandle.Alloc(password, GCHandleType.Pinned);
// Encrypt the file
AESEncryptionHelper.FileEncrypt(PathToWallet, password);
// To increase the security of the encryption, delete the given password from the memory !
AESEncryptionHelper.ZeroMemory(gch.AddrOfPinnedObject(), password.Length * 2);
gch.Free();
DeleteFile(PathToWallet);
}
