SQL Server

Iterate over Certificates in a Certificate Store

See more Cert Store Examples

Demonstrates how to iterate over the certificates in a certificate store.

Note: Requires Chilkat v10.1.2 or later.

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

    -- This opens the Current User certificate store on Windows,
    -- On MacOS and iOS it opens the default Keychain.
    DECLARE @readOnly int
    SELECT @readOnly = 0
    EXEC sp_OAMethod @certStore, 'OpenCurrentUserStore', @success OUT, @readOnly
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @certStore, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @certStore
        RETURN
      END

    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
        -- Load the cert object with the Nth certificate.
        EXEC sp_OAMethod @certStore, 'GetCert', @success OUT, @i, @cert

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

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


END
GO