1) Being a VB.NET guy from the beginning I do no want to learn ancient C++
and Win32 API. Did anyone rewrite Mr. Howard's code examples (both in the
book as well as in MSDN) in VB.NET?
my feeling is that the new generation of .NET programmers simply doesn't

I always thought that the main point of CFB mode was that it allowed
you to use a block cipher like a stream cipher.
eg if you set the feedback size to 8 bits, you can put a byte in and
get a byte out. etc

I'm trying to write aplication, that will check signature and certificate in
file, but i don't know how do this....
Can someone give me example or tutorial for it?
I cannot find anything.... :/

A common business problem using role based security is that users may
have different security within different contexts.  For example, a user
may have "Administrator" role in his department, but not another
department.  A VP may have "Administrator" over both.

Hello sirs,
I am trying to understand how strong names work.
Suppose I have lib.dll (a .net library), and also MyApplication.exe (a .NET
WinApp) . MyApplication uses lib.dll . Suppose someone decompiles lib.dll

I am porting a Java application to .NET and came across a problem working
with .NET’s MD5CryptoServiceProvider producing a different result from Java’s
MessageDigest. I was hoping someone could help me as this as the only thread
I could find that tackled the subject directly:

Using C# or VB.Net, using the DirectoryService namespace, I am able to
retrieve the groups a user belongs in, except for the primary group. The
primary group is an ID. Tried searching the knowledge base, but all documents
are for VB 6.

When using attributes to declare security, e.g.
[PricipalPermissionAttribute(SecurityAction.Demand, Role="User")]
private void DoSomething()
{

I have Visual Basic .Net application which dynamically loads assemblies from
directory.
I use:
Assembly.LoadFrom() -method to do this.

hi all
i have a webservice that is called by a client, this works fine on the
local machine but when i try and access this from other machines the
client on the machine comes up with the system.net.webexception

I asked myself if it is possible at all to create a program that would be
licensed safe at all in .Net . I mean, thanks to utilities like Lutz Roeder's
.Net Reflector and ILDasm each .net program is practically open source and
everybody can read "native" code, decompile it and ...

All,
 I am attempting to sign an assembly using our company's X.509 certificate.
The only signing attribute options are AssemblyKeyFile and AssemblyKeyName.
As I have had no luck figuring out how to create the .snk file from .pfx,

I am at the beginning stages of writing a massive database-connected business
management application using the .NET framework and am becoming worried about
the security of the application upon completion.
I have recently become aware of the ease at which a .NET assembly can be

I'm writing a SETI@Home-like application that runs work items received from
other machines that need processing power. It loads assemblies with very
restricted privileges (usually it only allows them to execute) since their
origin is not known. I run these work items in a low ...

is it possible to know what kind of encryption the connection is on a
webpage through the certificate??? all i see is a RSA 1024 bit key??? Is
that 128bit ssl encryption??