.NET Security

Hi,   I have a situation. We need to encrypt database connection information like server name, user id and password. I was thinking of X509 digital certificate and cryptography. Unfortunately this should work as a offline solution. I have used digital certificates that was verified by certificate ...

does C# have any collection objects that support sort functionality so that I dont have to write my own sorting algorithm? ...

Hi, I'm trying encryption and decryption ... the problem is that whatever symmetric algorithm I use, my decrypted string almost always contains a couple of extra-spaces (in C#, I get two '\0' chars at the end of the decrypted string). Otherwise, the string is correct. I couldn't find out if ...

I'm trying to do the following on an x64 Pro system running in a Least Privilege User Account. (C#) EventLog eventLog = new EventLog("MyLog", ".", "MyLog"); ---------- I get a security exception with the following text. System.Security.SecurityException: Requested registry access is not ...

how to create a gif or png dynamicaly in .aspx and return in response? ...

I am seeing a secnario where a signature that I generated with a RSACryptoServiceProvider.SignData 90 days ago cannot be verified. Do these signatures expire? If so is there a waay to turn that off? ...

We are trying to create a local user through this code in a ASP.NET page: Dim AD As DirectoryEntry = _     New DirectoryEntry("WinNT://" + Environment.MachineName + ",computer") Dim NewUser As DirectoryEntry = AD.Children.Add("TestUser1", "user") NewUser.Invoke("SetPassword", New Object() {"#12345Abc"}) ...

Hi, I'm doing a symmetric encryption using DES provider. I've posted my VB.NET code below:     ' Encryption     Dim encAlg As New DESCryptoServiceProvider     Dim ms As New MemoryStream     Dim cs As New CryptoStream(ms, ...

Hi all, I know how to use the StrongNameIdentityPermission attribute to secure an assembly against callers which have no strong name with the given public key. Securing controls is problematic, since the Visual Studio (7) designer has no strong name (even if it would, the public key would be another). So ...

Hi, When one calls sn.exe, what are the expected error codes (errorlevel) in return ? I'm using delay signing. I think about three cases when achieving the final signing: - assembly was signed successfully (seems to be errorlevel 0) - assembly was not signed because it's already signed with the provided key ...

in C# fastest way to convert a string into a MemoryStream ...

I wrote a code with C# to authorize users against AD. Here is the code: ArrayList usersList = new ArrayList(); object groups = user.Invoke("Groups",null); foreach (object group in (IEnumerable)groups)   {     DirectoryEntry groupEntry  = new DirectoryEntry(group); ...

I have a web service configured with Anonymous access disabled. The calling client, prior to executing a method on the service, sets its network credentials for the IIS to authenticate: CredentialCache cacheVU = new CredentialCache(); cacheVU.Add( new Uri(<my url here>), "Negotiate",new ...

HELP I have been trying for some days now to decrypt a file encrypted in VB.NET. - The algorithm being used is DES. - I understand that the cipher is CBC (by default). - ASCII key and IV supplied are 8 characters long ...