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List:       ms-cryptoapi
Subject:    Re: CryptMsgCountersign giving error
From:       Carlos Lopez <clopez () MICROSOFT ! COM>
Date:       2003-02-17 20:22:48
[Download RAW message or body]

Once you get pCoSignerCert, use CryptAcquireCertificatePrivateKey to get
the hCryptProv and dwKeySpec values for that certificate.
CryptSignMessage finds the private key for you, but low level message
functions don't.

Thanks
Carlos

-----Original Message-----
From: Ramkumar. R [mailto:ramkumar_r@ATC.TCS.CO.IN] 
Sent: Sunday, February 16, 2003 8:28 PM
To: CryptoAPI@DISCUSS.MICROSOFT.COM
Subject: Re: CryptMsgCountersign giving error

I actually used the example in MSDN. But it was giving "Keyset does not
exist" in
CryptMsgCalculateEncodedLength itself. So I used CryptSignMessage for
signing,
which worked fine. The code which I used to counter sign is taken from
the
example given in
MSDN and modified. The code is below

Thanks

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