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(C#) Generate new DSA Key from OpenSSL Parameters FileGenerates a new DSA key from an OpenSSL-created parameters file (DER and PEM formats supported). Examples of using OpenSSL to create parameter files are shown here: openssl dsaparam -outform DER 1024 < seedData.txt >dsaparam.der openssl dsaparam 1024 < seedData.txt >dsaparam.pem
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Dsa dsa = new Chilkat.Dsa(); bool success = dsa.GenKeyFromParamsDerFile("dsaparam.der"); if (success != true) { Debug.WriteLine(dsa.LastErrorText); return; } // To generate a key from PEM, call GenKeyFromParamsPem // (for an in-memory PEM string) or GenKeyFromParamsFilePem // for a PEM file. // The public and private keys may now be exported to PEM, DER, // and XML formatted files. string pemStr; string xmlStr; // First for the public key... // The public key never needs to be encrypted. // Save the public key in PEM format: pemStr = dsa.ToPublicPem(); // This example will not check the return value of SaveText... success = dsa.SaveText(pemStr,"dsa_pub.pem"); // Save the public key in DER format: success = dsa.ToPublicDerFile("dsa_pub.der"); bool bPublicOnly = true; // Save to XML xmlStr = dsa.ToXml(bPublicOnly); success = dsa.SaveText(pemStr,"dsa_pub.xml"); // ------------------------------------ // Now for the private key.... // ------------------------------------ // Unencrypted PEM: pemStr = dsa.ToPem(); success = dsa.SaveText(pemStr,"dsa_priv.pem"); // Encrypted PEM: pemStr = dsa.ToEncryptedPem("myPassword"); success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem"); // DER: success = dsa.ToDerFile("dsa_priv.der"); // XML: bPublicOnly = false; xmlStr = dsa.ToXml(bPublicOnly); success = dsa.SaveText(pemStr,"dsa_priv.xml"); Debug.WriteLine("Finished!"); |
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