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SQL Server Examples

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(SQL Server) Load Java KeyStore and Access Contents

Loads a Java keystore file and iterates over the contents. A Java keystore (.jks) file can contain one or more trusted root certificate entries and/or one or more private key entries. Each private key entry includes an associated certificate chain.

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)
    DECLARE @sTmp1 nvarchar(4000)
    -- This requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

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

    -- Load the Java keystore from a file.  The JKS file password is used
    -- to verify the keyed digest that is found at the very end of the keystore.
    -- It verifies there has been no tampering with the file.
    DECLARE @success int
    EXEC sp_OAMethod @jks, 'LoadFile', @success OUT, 'jksFilePassword', '/someDir/keyStore.jks'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @jks, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jks
        RETURN
      END

    -- Find out how many of each type of entry:
    DECLARE @numTrustedCerts int
    EXEC sp_OAGetProperty @jks, 'NumTrustedCerts', @numTrustedCerts OUT
    DECLARE @numPrivateKeys int
    EXEC sp_OAGetProperty @jks, 'NumPrivateKeys', @numPrivateKeys OUT

    DECLARE @cert int

    DECLARE @alias nvarchar(4000)

    DECLARE @i int

    -- For each trusted certificate, access it by getting
    -- it as a cert object.  Also get the alias associated with the certificate.

    PRINT 'Trusted Certs:'
    SELECT @i = 0
    WHILE @i < @numTrustedCerts
      BEGIN
        EXEC sp_OAMethod @jks, 'GetTrustedCert', @cert OUT, @i
        EXEC sp_OAMethod @jks, 'GetTrustedCertAlias', @sTmp0 OUT, @i

        EXEC sp_OAGetProperty @cert, 'SubjectDN', @sTmp1 OUT
        PRINT @sTmp0 + ': ' + @sTmp1
        EXEC @hr = sp_OADestroy @cert

        SELECT @i = @i + 1
      END

    DECLARE @privKey int

    DECLARE @certChain int

    -- For each private key entry, get the private key and
    -- the associated certificate chain.
    -- Each private key is password protected.  Usually it is the same
    -- password as used for the keyed digest of the entire JKS.  
    -- However, this does not have to be.  The password is passed
    -- here to handle the possibility of each private key requiring
    -- a different password.

    PRINT 'Private Keys:'
    SELECT @i = 0
    WHILE @i < @numPrivateKeys
      BEGIN
        EXEC sp_OAMethod @jks, 'GetPrivateKey', @privKey OUT, 'jksFilePassword', @i
        EXEC sp_OAMethod @jks, 'GetPrivateKeyAlias', @sTmp0 OUT, @i
        PRINT @sTmp0
        EXEC sp_OAMethod @jks, 'GetCertChain', @certChain OUT, @i

        -- The 1st certificate in the chain is the one associated with the private key.
        EXEC sp_OAMethod @certChain, 'GetCert', @cert OUT, 0
        EXEC sp_OAGetProperty @cert, 'SubjectDN', @sTmp0 OUT
        PRINT @sTmp0

        EXEC @hr = sp_OADestroy @cert

        EXEC @hr = sp_OADestroy @certChain

        EXEC @hr = sp_OADestroy @privKey

        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @jks


END
GO

 

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