Delphi DLL Requires Chilkat v11.0.0+

Generate an ECDSA Key

See more ECC Examples

Demonstrates how to generate an ECDSA key. Delphi DLL

var
success: Boolean;
fortuna: HCkPrng;
entropy: PWideChar;
ecc: HCkEcc;
privKey: HCkPrivateKey;

begin
success := False;

//  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.
fortuna := CkPrng_Create();
entropy := CkPrng__getEntropy(fortuna,32,'base64');
success := CkPrng_AddEntropy(fortuna,entropy,'base64');

ecc := CkEcc_Create();

//  Generate a random ECC private key on the secp256r1 curve.
//  Chilkat also supports other curves, such as secp384r1, secp521r1, and secp256k1.

privKey := CkPrivateKey_Create();
success := CkEcc_GenKey(ecc,'secp256r1',fortuna,privKey);
if (success = False) then
  begin
    Memo1.Lines.Add(CkEcc__lastErrorText(ecc));
    Exit;
  end;

Memo1.Lines.Add(CkPrivateKey__getXml(privKey));

//  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.)
success := CkPrivateKey_SavePkcs8EncryptedPemFile(privKey,'pemPassword','myPemFiles/eccKey123.pem');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkPrivateKey__lastErrorText(privKey));
  end;

Memo1.Lines.Add('finished.');

CkPrng_Dispose(fortuna);
CkEcc_Dispose(ecc);
CkPrivateKey_Dispose(privKey);