SQL Server

Get Issuer Certificate Information

See more Certificates Examples

A certificate contains information about its issuer. This example demonstrates how to get the issuer information from a certificate. 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

    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/sample.cer'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- Get issuer information:

    -- -----------------------------------------------------------------------
    -- (Not all subject fields may exist depending on the issuer certificate.)
    -- -----------------------------------------------------------------------

    -- Issuer DN (Distinguished Name, i.e. all the Issuer subject parts)

    EXEC sp_OAGetProperty @cert, 'IssuerDN', @sTmp0 OUT
    PRINT 'DN: ' + @sTmp0

    -- Common Subject parts:
    -- Issuer Common Name

    EXEC sp_OAGetProperty @cert, 'IssuerCN', @sTmp0 OUT
    PRINT 'CN: ' + @sTmp0

    -- Issuer Country

    EXEC sp_OAGetProperty @cert, 'IssuerC', @sTmp0 OUT
    PRINT 'C: ' + @sTmp0

    -- Issuer Email address

    EXEC sp_OAGetProperty @cert, 'IssuerE', @sTmp0 OUT
    PRINT 'E: ' + @sTmp0

    -- Issuer Locality

    EXEC sp_OAGetProperty @cert, 'IssuerL', @sTmp0 OUT
    PRINT 'L: ' + @sTmp0

    -- Issuer Organization

    EXEC sp_OAGetProperty @cert, 'IssuerO', @sTmp0 OUT
    PRINT 'O: ' + @sTmp0

    -- Issuer Organizational Unit

    EXEC sp_OAGetProperty @cert, 'IssuerOU', @sTmp0 OUT
    PRINT 'OU: ' + @sTmp0

    -- Issuer State

    EXEC sp_OAGetProperty @cert, 'IssuerS', @sTmp0 OUT
    PRINT 'S: ' + @sTmp0

    EXEC @hr = sp_OADestroy @cert


END
GO