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(SQL Server) Get Certificate Public Key from PEMDemonstrates how to load a PEM file containing a certificate and access the public key.
// Important: See this note about string length limitations for strings returned by sp_OAMethod calls. // CREATE PROCEDURE ChilkatSample AS BEGIN DECLARE @hr int DECLARE @iTmp0 int DECLARE @sTmp0 nvarchar(4000) DECLARE @cert int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Cert', @cert OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END DECLARE @success int EXEC sp_OAMethod @cert, 'LoadFromFile', @success OUT, 'qa_data/pem/my_cert.pem' IF @success <> 1 BEGIN EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @cert RETURN END DECLARE @pubkey int EXEC sp_OAMethod @cert, 'ExportPublicKey', @pubkey OUT EXEC sp_OAGetProperty @cert, 'LastMethodSuccess', @iTmp0 OUT IF @iTmp0 <> 1 BEGIN EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @cert RETURN END -- Examine the public key as XML.. EXEC sp_OAMethod @pubkey, 'GetXml', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @pubkey EXEC @hr = sp_OADestroy @cert END GO |
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