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Hi all, I'm Alessio.
I've developed a vb.net windows service that every 30 seconds opens an outlook session to connect via MAPI to exchange (2003) and to read e-mails and download attachments.
And all works fine and seems beautiful.
But as soon as possible, this situation will change.
All people that now can send messages, will receive a digital-sign onto a smart-card to encrypt e-mails and attachments.
When it happens, my service will MUST to be able to decrypt messages and attachments, but I don't know how can I do this and where can I find some examples.
Please, help me.
Thanx in advance and excuse me for my english.
Alessio
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I mean everywhere.
In these last 3 days I'm looking for solutions/examples but no useful results have been found
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mandrake_2 wrote: I'm looking for solutions/examples
I know this is not popular these days but try actually learning about the individual aspects of your project. Do that rather than looking for a solution/example. You might make some progress and wind up being able to develop the solution yourself rather than just copy/paste something into your code.
I can't speak for others but I have been doing it that way for almost 20 years now and it has always worked for me.
led mike
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Thanx mike but now isn't a "philosophic" moment for me.
Trust me, I always try to understand where is my problem and, step by step, to solve it but now is a critical moment for me and I haven't enough time to spent to find a wonderful solution.
I totally unknow the securtity environment and it is too big to try to study it and to learn all its engine.
I know that very very soon I have to know how can I see if an email is encrypted, how to extract its certificate, how to verify if it is valid and than decrypt message and attachment.
This is my problem, my big problem, and at this moment is enough for me and for the time I have to spent.
Anyway, don't think I didn't understand what you want to say.
My english is too bad to exactly explain what I think, anyway let me say that I think you're right and I really appreciated you msg but now isn't the right moment for me.
Thanx anyway.
Alessio
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mandrake_2 wrote: Thanx mike but now isn't a "philosophic" moment for me.
Neither was my post or point. You either know how to use the tools of your trade or you don't, period. Nothing philosophical about it.
mandrake_2 wrote: but now is a critical moment for me and I haven't enough time
See this[^]
led mike
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I'm still looking for a method where I can be spoon feed all the magic answers.
Until then, I create utility apps to test proof of concepts, read books and articles, trial and error (AKA "school of hard knocks"), curse at the programming gods, and drink heavily. When I get really stuck and twisted, I ask a question here in which one of the regulars typically easily answer (which usually results in more cursing at the programming gods).
That tends to work for me.
Any suggestions, ideas, or 'constructive criticism' are always welcome.
"There's no such thing as a stupid question, only stupid people." - Mr. Garrison
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Can I just take this opportunity to say... you are a complete a**hole. The guy asks a legitimate question after having done legitimate research, and you pop off with a smart ass comment about doing a google search. Either answer the damn question, or go away. The subject of encryption is a vaste and difficult thing to begin learning about. When one is presented with a specific task that involves encryption, "learning" enough to be able to do what you've got to do apart from finding some code that does what you want it to do (or close enough to be changed), is damn near impossible if one is under any kind of deadline at all. Why the need to be mean? What purpose is served? Either you know what this guy needs to know and are just being stingey and mean, or you don't and are just being mean for the sake of being mean. Either way.... I mean seriously... what is wrong with you?
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pathogen wrote: what is wrong with you?
You think you already know the answer to that. And here is what's wrong with you, and many, many others by the way.
pathogen wrote: "learning" enough to be able to do what you've got to do apart from finding some code that does what you want it to do (or close enough to be changed), is damn near impossible if one is under any kind of deadline at all.
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Hi all
I making an application in which the user has the option of making a new video from an existing video by picking the end and start points......How can this can be done in .NET without using the Windows Media Format SDK(WMFSDK)????....Are there directshow or other SDK's that can be used?????
Plz Help I am in dire straits 
Thanx in Advance
Dr.Dang
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I hope to write an application which makes an outgoing call to a
phone. When the phone is pick up a soundfile have to play over the
modem.
Please help me
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You're going to need a TAPI compliant modem. Then, you need to do research on TAPI 3.0 and find some TAPI 3.0 library that you can use with C# to pull this off.
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Heyy, I want to alter an image. jus need to change color of some pixels in an image. What i m doing is this:
FileStream f = new FileStream("d:\\puzzlesolver\\puzzle\\piece" + i.ToString() + ".jpg", FileMode.Open, FileAccess.ReadWrite);
Bitmap bmp = new Bitmap(f);
f.Close();
bmp.SetPixel(n, j, Color.IndianRed);
[note]: n,j are within the cordinates of the image.
but after running the code successfully m not able to change the color of the pixels...What am i doing wrong here?? pls help....
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There's nothing obviously wrong with the code. How are you determining that the pixels don't get set??
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You don't have to write any code to do this. There's something already in code keeping the process alive.
Did you use any background threads in your application at all??
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No i haven't use any thread in my application...
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Well, somewhere in your code your using something that's keeping your process alive. Either a component that hasn't been disposed of properly, or something else that's generating a thread that hasn't terminated, or some other external resource.
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there should be the process of killing all the threads ....
if u know then please tell me .......
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swapnil_bhanagle wrote: there should be the process of killing all the threads
There is. It's called - you write the code to terminate them. Having a process that forcefully terminates running threads is a bad idea. There's a reason the thread is running, so you should deal with it. For instance, suppose your application performs an auto-save. Having the thread that performs this terminate unexpectedly would result in the file becoming corrupt - this isn't a good idea. It's up to you to find your running threads, and handle them - not for Dave to magically conjure some code up for you.
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There is no code to do this. It's not just a stray thread that can cause a problem like this.
Your ONLY option is to do a code review and figure out that's causing this to happen. There's hundreds of possible causes, so noone can tell you exectly what to look for. You have to test chunks of your code to figure out what's doing this. Noone can do it for you.
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Hi,
It's not clear in your post whether or not your app uses the .NET framework. If it does not then the problem may be that you have not called the win32 function PostQuitMessage in response to the WM_DESTROY message that is sent when you close the main window.
Without the call to PostQuitMessage the main message loop of your app would still be running.
Alan.
[EDIT: Ignore this, I see from your previous posts that you are using VB.Net]
modified on Wednesday, November 26, 2008 12:16 PM
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Hi
I have Developed my first live project called "Library System" .
I have Developed it using Vb.net
I need some help
I don't know how to create installer for deployment of my system
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So many options, but it depends on the complexity of your app:
If you created the app using .Net and aren't using any com objects, all you should have to do is COPY and paste your prog directory onto another client (known as XCOPY). You could also do a click once (do a google search) which forces your clients to update anytime you update your files.
If you are using interop objects, you can either set them to be isolated or shared (you need to ensure all clients have these interop .dlls and use regsvr32 to register them).
Depending on references, you may need to have redistributable setups or files as well - just depends on what your referencing.
Any suggestions, ideas, or 'constructive criticism' are always welcome.
"There's no such thing as a stupid question, only stupid people." - Mr. Garrison
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