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(SQL Server) Generate an Ed25519 Key PairDemonstrates how to generate a new Ed25519 public/private key pair. Note: This example requires Chilkat v9.5.0.83 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 DECLARE @sTmp0 nvarchar(4000) -- This example assumes the Chilkat API to have been previously unlocked. -- See Global Unlock Sample for sample code. DECLARE @eddsa int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.EdDSA', @eddsa OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END DECLARE @prng int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Prng', @prng OUT DECLARE @privKey int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.PrivateKey', @privKey OUT -- Generates a new eddsa key and stores it in privKey. DECLARE @success int EXEC sp_OAMethod @eddsa, 'GenEd25519Key', @success OUT, @prng, @privKey IF @success = 0 BEGIN EXEC sp_OAGetProperty @eddsa, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @eddsa EXEC @hr = sp_OADestroy @prng EXEC @hr = sp_OADestroy @privKey RETURN END -- Examine the ed25519 key in JWK format; DECLARE @jwk nvarchar(4000) EXEC sp_OAMethod @privKey, 'GetJwk', @jwk OUT DECLARE @json int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @json OUT EXEC sp_OAMethod @json, 'Load', @success OUT, @jwk EXEC sp_OASetProperty @json, 'EmitCompact', 0 EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT PRINT @sTmp0 -- Sample output: -- { -- "kty": "OKP", -- "crv": "Ed25519", -- "x": "SE2Kne5xt51z1eciMH2T2ftDQp96Gl6FhY6zSQujiP0", -- "d": "O-eRXewadF0sNyB0U9omcnt8Qg2ZmeK3WSXPYgqe570", -- "use": "sig" -- } -- In the above JWK, x is the public key, y is the private key. -- Both are 32 bytes and are base64-url encoded. EXEC @hr = sp_OADestroy @eddsa EXEC @hr = sp_OADestroy @prng EXEC @hr = sp_OADestroy @privKey EXEC @hr = sp_OADestroy @json END GO |
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