Hey thanks,
With the correct terminology I found what I was looking for.
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CryptoAPI windows, Encrypt with private key for authentication purposes
I really need to be able to encrypt with the private key in my certificate that I have obtained. Then the message would go out in to the wild and to validate it came from the correct person it would be decrypted by my public key.
But I am having a hard time acheiving this this the windows crypto api.
Thanks
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by: ParanormasticPosted on 2009-09-08 at 08:30:40ID: 25282902
Not sure what you have written, what you are trying to do speicifically, etc. but...
You are looking for how to do a Signing operation.
You need to make sure you have the correct type of certificate for the type of signing you are trying to do - there are many different types such as "Code Signing", "Adobe Document Signing", "Document Signing", "Email Signing", and such.
Starting points that you hopefully already have:
Crypto using .Net Framework:
http://msdn.microsoft.com/
CAPICOM:
http://msdn.microsoft.com/