SQL Server

Load Certificate (.cer) and Private Key (.pvk) generated from makecert

See more Certificates Examples

Demonstrates how to load a certificate (.cer) and private key (.pvk) from the files produced by makecert, such as in the following command:

makecert -sv mycertificate.pvk -n "CN=My Simple Certificate" mycertificate.cer -sky Exchange

SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- First load the .cer file.
    -- The certificate file (.cer) contains only the certificate (does not include the private key)
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @cert, 'LoadFromFile', @success OUT, 'qa_data/certs_and_keys/makecert/mycertificate.cer'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- Next, load the .pvk file.
    -- Note: The password "secret" is what you entered when makecert displayed the dialog asking for a password..
    DECLARE @privKey int
    EXEC @hr = sp_OACreate 'Chilkat.PrivateKey', @privKey OUT

    EXEC sp_OAMethod @privKey, 'LoadPvkFile', @success OUT, 'qa_data/certs_and_keys/makecert/mycertificate.pvk', 'secret'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @privKey, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @privKey
        RETURN
      END

    -- Finally, associate the private key with the certificate.
    EXEC sp_OAMethod @cert, 'SetPrivateKey', @success OUT, @privKey
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @privKey
        RETURN
      END

    -- At this point, the certificate can be used for signing.  For example..
    DECLARE @pdf int
    EXEC @hr = sp_OACreate 'Chilkat.Pdf', @pdf OUT

    -- ....
    -- ....

    EXEC sp_OAMethod @pdf, 'SetSigningCert', @success OUT, @cert

    -- ...
    -- ....

    -- Some Chilkat classes also provide a method where the cert and private key can be passed separately.
    -- For example, if SetSigningCert2 is called, then we don't need to explicitly associate the private key with the cert.
    EXEC sp_OAMethod @pdf, 'SetSigningCert2', @success OUT, @cert, @privKey

    -- ...
    -- ....

    EXEC @hr = sp_OADestroy @cert
    EXEC @hr = sp_OADestroy @privKey
    EXEC @hr = sp_OADestroy @pdf


END
GO