SQL Server

PKCS11 Sessions

See more PKCS11 Examples

Sample code showing how to open a PKCS11 session and then later close it.

Note: This example requires Chilkat v9.5.0.88 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

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

    -- Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

    DECLARE @pkcs11 int
    EXEC @hr = sp_OACreate 'Chilkat.Pkcs11', @pkcs11 OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
    -- or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
    EXEC sp_OASetProperty @pkcs11, 'SharedLibPath', 'ShuttleCsp11_3003.dll'

    -- Starting in Chilkat v9.5.0.96, there is a shorter way to establish
    -- a PKCS11 session with login.
    -- The QuickSession method was added in v9.5.0.96 and is the equivalent of 
    -- calling Initialize, OpenSession, and Login.  

    EXEC sp_OAMethod @pkcs11, 'Initialize', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pkcs11, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pkcs11
        RETURN
      END

    -- Pass -1 for the slotID to open a session on the first non-empty slot.
    DECLARE @slotID int
    SELECT @slotID = -1

    -- Open a read/write session.
    DECLARE @readWrite int
    SELECT @readWrite = 1
    EXEC sp_OAMethod @pkcs11, 'OpenSession', @success OUT, @slotID, @readWrite
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pkcs11, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pkcs11
        RETURN
      END

    -- Do whatever is needed...
    -- ...
    -- ...

    -- When finished, close the session.
    -- It is important to close the session (memory leaks will occur if the session is not properly closed).

    EXEC sp_OAMethod @pkcs11, 'CloseSession', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @pkcs11, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @pkcs11
        RETURN
      END


    PRINT 'PKCS11 session successfully opened and closed.'

    EXEC @hr = sp_OADestroy @pkcs11


END
GO