bool ReEncryptKey(string oldPassword, string newPassword)
{
HttpContext context = HiContext.Current.Context;
XmlDocument document = new XmlDocument();
string filename = context.Request.MapPath(Globals.ApplicationPath + "/config/key.config");
string str2 = context.Request.MapPath(Globals.ApplicationPath + "/config/key.config.bak");
try
{
document.Load(filename);
}
catch
{
document.Load(str2);
}
if (int.Parse(document.SelectSingleNode("Settings/Token").InnerText) == this.UserId)
{
XmlNode node = document.SelectSingleNode("Settings/Key");
byte[] plaintext = Cryptographer.DecryptWithPassword(Convert.FromBase64String(node.InnerText), oldPassword);
node.InnerText = Convert.ToBase64String(Cryptographer.EncryptWithPassword(plaintext, newPassword));
document.Save(filename);
document.Save(str2);
}
return(true);
}
//创建key
bool CreateKey(int userId, out string errorMsg)
{
bool flag = false;
try
{
byte[] plaintext = KeyManager.GenerateSymmetricKey(typeof(RijndaelManaged));
string filename = Request.MapPath(Globals.ApplicationPath + "/config/key.config");
byte[] inArray = Cryptographer.EncryptWithPassword(plaintext, password);
XmlDocument document = new XmlDocument();
document.LoadXml("<?xml version=\"1.0\" encoding=\"utf-8\"?>" + Environment.NewLine + "<Settings><Token></Token><Key></Key></Settings>");
document.SelectSingleNode("Settings/Token").InnerText = userId.ToString(CultureInfo.InvariantCulture);
document.SelectSingleNode("Settings/Key").InnerText = Convert.ToBase64String(inArray);
//保存文件
document.Save(filename);
document.Save(Request.MapPath(Globals.ApplicationPath + "/config/key.config.bak"));
CryptographyUtility.ZeroOutBytes(inArray);
byte[] encryptedKey = System.Security.Cryptography.ProtectedData.Protect(plaintext, null, System.Security.Cryptography.DataProtectionScope.LocalMachine);
using (Stream stream = new FileStream(Request.MapPath(Globals.ApplicationPath + "/config/Hishop.key"), FileMode.Create))
{
KeyManager.Write(stream, encryptedKey, DataProtectionScope.LocalMachine);
}
CryptographyUtility.ZeroOutBytes(encryptedKey);
CryptographyUtility.ZeroOutBytes(plaintext);
errorMsg = "";
flag = true;
}
catch (Exception exception)
{
errorMsg = exception.Message;
}
return(flag);
}