(SQL Server) OCSP Check Domain's Server Certificate Revocation Status

Sends an OCSP request to determine the revocation status for an SSL server certificate.

Note: This example requires Chilkat v9.5.0.84 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 the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

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

    -- Check the revocation status of the SSL server certificate for chilkatsoft.com
    DECLARE @status int
    EXEC sp_OAMethod @http, 'OcspCheck', @status OUT, 'chilkatsoft.com', 443


    PRINT 'chilkatsoft.com status = ' + @status

    -- The status can have 4 values:
    -- -1: Unable to check because of an error.
    --  0: Good
    --  1: Revoked
    --  2: Unknown

    IF @status < 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END

    -- Now check the status for a revoked server certificate.
    EXEC sp_OAMethod @http, 'OcspCheck', @status OUT, 'revoked.badssl.com', 443


    PRINT 'revoked.badssl.com status = ' + @status

    EXEC @hr = sp_OADestroy @http


END
GO