Iam using SignedXML.CheckSignature() method for validating XMLDSIG
SignedInfo signature value. It works great until u have a reference which
cant be resolved. My requirement is to sign an MIME attachment which cant be
directly resolved by SignedInfo class..So Iam trying to ...

Here is my problem. I have a windows service (C#) that is
supposed to move files from/to the local drive to/from a
UNC share (\\domainserver\share). The service is running on
a Win3k server not connected to a domain, as a local user.

I'm using the code given in [1] for impersonation. It describes the
impersonation using SSPI. Now I want to access files which are on a
remote share. With this impersonation example, it is only possible to
access local files but not remote ones.

Iam trying to sign XML messages using X509 certificate.The problem Iam
facing is extracting the private key out of the X509 certificate ..I know
that the private key is not stored as part of the .cer files but shouldn't it
be part of the .pl2 files .I tried with that format as ...

I have an application that stores user input via a text box.  The text box
lets user enter their hobby, which can then be viewed in their page by
others.  This hobby is linked by the application so that it searches the
database for other users who have the same hobby.  The search ...

i write a smtp client winform (using socket 25 connect to smtp server),and
deploy it to iis by NTD (no-touch deployment),i can launch the form from the
client machine,when i want connect to the smtp server,the security exception
is thrown,i know that i have not assigned the socket ...

Is RSA a good encryption method? Also I'm having a problem pulling the
string out of the database and decrypting it. Please Help
Code is below:
Private Function EncryptPassword(ByVal a_Password As String) As

Is RSA a good encryption method? Also I'm having a problem pulling the
string out of the database and decrypting it. Please Help
Code is below:
Private Function EncryptPassword(ByVal a_Password As String) As

This is a question for all those .Net gurus who have ssen umpteen .Net
products come and go so far. The question is fairly simple -- Do the
softeware houses really obtain digital signatures from (eg. Verisign) and
sign their assemblies before releasing them for production? How ...

We are endeavouring to get a .NET product certified as "Designed for Windows
XP".
As you know, this involves getting a VeriSign ID.
While enrolling for this, one question asked for the "Cryptographic Service

I'm having a problem concerning Impersonation while connecting to SQL
Server. I'm not sure if I'm posting this to the right newsgroups, so let me
know if it belongs elsewhere, and please excuse the cross-post.
I'm writing a Windows Forms application that makes direct calls to a ...

obvious typo. Should read:

I have several web pages in my app and would like to restrict certain users
from accessing certain pages.  Can you provide me any pointers on how to
implement a role based security so that a page is displayed only to a certain
role?  TIA.

Ladies and Gentlemen,
EldoS Corporation recognizes the growing importance of security, based on
industry standards, and to support security efforts of various organizations
we release PKIBlackbox as free library for use in your end-user

       I've used the Win32 API before to access files on restricted
directories.  This work involved the "LogonUser" and
"ImpersonateLoggedOnUser" API functions, among others.
       I'm into .Net now, and while I could continue using the API