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(SQL Server) Use CSP to Load Certificate from Smartcard in Reader (or from USB Token)

Demonstrates how to load the certificate that is on the smartcard currently inserted into the smartcard reader. (Also can load the smartcard on a USB token.)

Note: This example requires Chilkat v9.5.0.77 or later.

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 that we already know the name of the CSP (Cryptographic Service Provider) for the smartcard.
    -- It is often the "Microsoft Base Smart Card Crypto Provider".  You can see what CSP's are registered on your system with this code:

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

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

    DECLARE @success int
    EXEC sp_OAMethod @csp, 'GetProviders', @success OUT, @st
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @csp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @csp
        EXEC @hr = sp_OADestroy @st
        RETURN
      END

    -- Iterate over the CSP names..
    DECLARE @i int
    SELECT @i = 0
    DECLARE @numProviders int
    EXEC sp_OAGetProperty @st, 'Count', @numProviders OUT
    WHILE @i < @numProviders
      BEGIN

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

    -- Some common CSP names are:
    -- Microsoft Base Smart Card Crypto Provider
    -- Bit4id Universal Middleware Provider
    -- eToken Base Cryptographic Provider
    -- FTSafe ePass1000 RSA Cryptographic Service Provider
    -- EnterSafe ePass2003 CSP v2.0
    -- Gemalto Classic Card CSP
    -- PROXKey CSP India V1.0
    -- PROXKey CSP India V2.0
    -- TRUST KEY CSP V1.0
    -- Watchdata Brazil CSP V1.0
    -- Luna Cryptographic Services for Microsoft Windows
    -- Luna SChannel Cryptographic Services for Microsoft Windows
    -- Safenet RSA Full Cryptographic Provider
    -- nCipher Enhanced Cryptographic Provider
    -- SafeSign Standard Cryptographic Service Provider
    -- SafeSign Standard RSA and AES Cryptographic Service Provider</li>
    -- MySmartLogon NFC CSP</li>
    -- NFC Connector Enterprise</li>
    -- ActivClient Cryptographic Service Provider</li>
    -- EnterSafe ePass2003 CSP v1.0</li>
    -- Athena ASECard Crypto CSP"

    -- Create a Csp object and set the ProviderName equal to our desired CSP name.
    -- (setting the ProviderName selects the desired CSP.)
    EXEC sp_OASetProperty @csp, 'ProviderName', 'Microsoft Base Smart Card Crypto Provider'

    -- Load the certificate on this CSP..
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Cert', @cert OUT

    EXEC sp_OAMethod @csp, 'LoadSmartcardCert', @success OUT, @cert
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @csp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @csp
        EXEC @hr = sp_OADestroy @st
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END


    EXEC sp_OAGetProperty @cert, 'SubjectCN', @sTmp0 OUT
    PRINT 'Cert loaded from smartcard or USB token: ' + @sTmp0

    EXEC @hr = sp_OADestroy @csp
    EXEC @hr = sp_OADestroy @st
    EXEC @hr = sp_OADestroy @cert


END
GO

 

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