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(Visual FoxPro) Generate an ECDSA KeySee more ECC ExamplesDemonstrates how to generate an ECDSA key.Note: This example requires Chilkat v11.0.0 or greater.
LOCAL loFortuna LOCAL lcEntropy LOCAL lnSuccess LOCAL loEcc LOCAL loPrivKey * This requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * Create a Fortuna PRNG and seed it with system entropy. * This will be our source of random data for generating the ECC private key. loFortuna = CreateObject('Chilkat.Prng') lcEntropy = loFortuna.GetEntropy(32,"base64") lnSuccess = loFortuna.AddEntropy(lcEntropy,"base64") loEcc = CreateObject('Chilkat.Ecc') * Generate a random ECC private key on the secp256r1 curve. * Chilkat also supports other curves, such as secp384r1, secp521r1, and secp256k1. loPrivKey = CreateObject('Chilkat.PrivateKey') lnSuccess = loEcc.GenKey("secp256r1",loFortuna,loPrivKey) IF (lnSuccess <> 1) THEN ? loEcc.LastErrorText RELEASE loFortuna RELEASE loEcc RELEASE loPrivKey CANCEL ENDIF ? loPrivKey.GetXml() * Save the private key to PKCS8 encrypted PEM * (The private key can be saved in a variety of different formats. See the online reference documentation.) lnSuccess = loPrivKey.SavePkcs8EncryptedPemFile("pemPassword","myPemFiles/eccKey123.pem") IF (lnSuccess <> 1) THEN ? loPrivKey.LastErrorText ENDIF ? "finished." RELEASE loFortuna RELEASE loEcc RELEASE loPrivKey |
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