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(SQL Server) Get Public Key from Certificate PEMLoads a certificate from a PEM file and gets the cert's public key. Note: This example requires Chilkat v11.0.0 or greater.
-- 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 DECLARE @cert int EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END EXEC sp_OAMethod @cert, 'LoadFromFile', @success OUT, 'qa_data/certs/someCert.pem' IF @success = 0 BEGIN EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @cert RETURN END -- Get the certificate's public key: DECLARE @pubkey int EXEC @hr = sp_OACreate 'Chilkat.PublicKey', @pubkey OUT EXEC sp_OAMethod @cert, 'GetPublicKey', @success OUT, @pubkey EXEC sp_OAMethod @pubkey, 'GetPem', @sTmp0 OUT, 0 PRINT @sTmp0 -- OK.. we have the public key which can be used in other Chilkat classes/methods... EXEC @hr = sp_OADestroy @cert EXEC @hr = sp_OADestroy @pubkey END GO |
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