/// <summary>
/// ½âÃÜ×Ö·û´®
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
private string DeEncryString(string str)
{
if (str.IndexOf(EncryHead) == 0)
{
string content = str.Substring(EncryHead.Length);
byte[] arrStr = CommonMethods.HexStringToBytes(content);
ConfigSave config = Program.MainForm.Config;
byte[] pwd = config.EncryPassword;
byte[] enStr = PasswordHash.AESDecrypt(arrStr, pwd);
return(DefaultEncode.GetString(enStr));
}
else
{
return(str);
}
return(str);
}
/// <summary>
/// 获取Base64字符串
/// </summary>
/// <returns></returns>
public string GetBaseString(string str)
{
string retString = null;
if (string.IsNullOrWhiteSpace(str))
{
return(null);
}
str = str.Trim();
bool isEncry = false;
if (str.StartsWith(QRCodeUnit.EncryHead))
{
str = str.Substring(QRCodeUnit.EncryHead.Length);
isEncry = true;
}
try
{
byte[] resByte = Convert.FromBase64String(str);
if (isEncry)
{
ConfigSave config = Program.MainForm.Config;
byte[] pwd = config.EncryPassword;
resByte = PasswordHash.AESDecrypt(resByte, pwd);
}
retString = QRCodeUnit.DefaultEncode.GetString(resByte);
}
catch (Exception ex)
{
FrmQRResault.ShowError("解析错误，请检查字符串或密码是否正确");
return(null);
}
return(retString);
}
