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Topic: DomainKeys

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jing.wang
Newbie
Newbie

Joined: 22 October 2009
Online Status: Offline
Posts: 1

Posted: 22 October 2009 at 3:10am \| IP Logged

Hi
I tried to sign a message with DomainKeys
signature.
I created a private key using openssl.
byte[] privateKey=null;
using(Stream stream=new
FileStream("rsa.private"))
{
privateKeys=new byte[stream.Length];

stream.Read(privateKeys,0,privateKeys.Length);
}
DomainKeys dk=new DomainKeys();
smtpObject.Message=dk.Sign(message,null,privat
eKeys,"dk");

I get an exception:
"Invalid cryptographic private key format."

What's happening ?

Thanks by advance for your help.

Igor
AfterLogic Support

Joined: 24 June 2008
Location: United States
Online Status: Offline
Posts: 6167

Posted: 22 October 2009 at 3:53am \| IP Logged

You're sending base64-encoded data to method which expects decoded (binary) data. Try using different overload for this, you may either read from filestream or specify a filename, be sure to set isFilename property accordingly.

--
Regards,
Igor, AfterLogic Support

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