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(SQL Server) ScMinidriver - List Certificates on a Smart Card or USB Token

See more ScMinidriver Examples

Gets a list of certificates contained on a smart card or USB token.

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
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @scmd int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.ScMinidriver', @scmd OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Reader names (smart card readers or USB tokens) can be discovered
    -- via PCSC List Readers or PCSC Find Smart Cards
    DECLARE @readerName nvarchar(4000)
    SELECT @readerName = 'SCM Microsystems Inc. SCR33x USB Smart Card Reader 0'
    DECLARE @success int
    EXEC sp_OAMethod @scmd, 'AcquireContext', @success OUT, @readerName
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @scmd, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @scmd
        RETURN
      END

    DECLARE @stCerts int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringTable', @stCerts OUT

    -- We can choose one of the following items of information to get for each certificate:
    -- "subjectDN" -- Return the full distinguished name of the cert.
    -- "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
    -- "subjectCN" -- Return just the common name part of the certificate's subject.
    -- "serial" -- Return the certificate serial number.
    -- "serial:issuerCN" -- return the certificate serial number + the issuer's common name, delimited with a colon char.
    DECLARE @certPart nvarchar(4000)
    SELECT @certPart = 'subjectCN'

    EXEC sp_OAMethod @scmd, 'ListCerts', @success OUT, @certPart, @stCerts
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @scmd, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @scmd
        EXEC @hr = sp_OADestroy @stCerts
        RETURN
      END

    DECLARE @numCerts int
    EXEC sp_OAGetProperty @stCerts, 'Count', @numCerts OUT
    DECLARE @i int
    SELECT @i = 0
    WHILE @i < @numCerts
      BEGIN

        EXEC sp_OAMethod @stCerts, 'StringAt', @sTmp0 OUT, @i
        PRINT @i + ': ' + @sTmp0
        SELECT @i = @i + 1
      END

    -- Delete the context when finished with the card.
    EXEC sp_OAMethod @scmd, 'DeleteContext', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @scmd, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END

    EXEC @hr = sp_OADestroy @scmd
    EXEC @hr = sp_OADestroy @stCerts


END
GO

 

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