(SQL Server) Find and Load Certificate by Thumbprint

Demonstrates how to find and load a certificate by SHA1 thumbprint. This is a Microsoft Windows-only example. It assumes the certificate is already installed on the Windows system.

Note: This example requires Chilkat v9.5.0.83 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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)
    -- This example requires Chilkat v9.5.0.83 or greater.

    DECLARE @cert int
    -- Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- The thumbprint can be passed in any encoding, such as hex, base64, etc.
    -- The 2nd argument indicates the encoding of the 1st argument.
    DECLARE @success int
    EXEC sp_OAMethod @cert, 'LoadByThumbprint', @success OUT, 'ea5a129c1919a52d238ee28d9f3a8f345b768388', 'hex'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END


    EXEC sp_OAGetProperty @cert, 'SubjectDN', @sTmp0 OUT
    PRINT 'Found: ' + @sTmp0

    EXEC @hr = sp_OADestroy @cert


END
GO