SQL Server

Load PFX/P12 File into Certificate Store Object

Demonstrates how to load a .pfx/.p12 into a certificate store object. 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
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    DECLARE @certStore int
    EXEC @hr = sp_OACreate 'Chilkat.CertStore', @certStore OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- This only loads the contents of the PFX file into the certStore object.
    -- It is not importing the PFX into the Windows certificate stores.
    DECLARE @pfxPassword nvarchar(4000)
    SELECT @pfxPassword = 'badssl.com'
    EXEC sp_OAMethod @certStore, 'LoadPfxFile', @success OUT, 'qa_data/pfx/badssl.com-client.p12', @pfxPassword
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @certStore, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @certStore
        RETURN
      END

    -- Examine each certificate (loaded from the PFX) in this certStore object
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT

    DECLARE @numCerts int
    EXEC sp_OAGetProperty @certStore, 'NumCertificates', @numCerts OUT
    DECLARE @i int
    SELECT @i = 0
    WHILE @i < @numCerts
      BEGIN
        EXEC sp_OAMethod @certStore, 'GetCert', @success OUT, @i, @cert

        EXEC sp_OAMethod @cert, 'HasPrivateKey', @iTmp0 OUT

        EXEC sp_OAGetProperty @cert, 'SubjectCN', @sTmp0 OUT
        PRINT 'hasPrivateKey=' + @iTmp0 + ', ' + @sTmp0
        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @certStore
    EXEC @hr = sp_OADestroy @cert


END
GO