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(Delphi ActiveX) Duplicate openssl pkey -in private.pem -pubout -out pubkey.pemHow to output the public part of a private key: Demonstrates how to duplicate this OpenSSL command: openssl pkey -in private.pem -pubout -out pubkey.pem Note: This example requires Chilkat v11.0.0 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var success: Integer; pkey: TPrivateKey; pubKey: TPublicKey; begin success := 0; pkey := TPrivateKey.Create(Self); // Load the private key from an PEM file: success := pkey.LoadPemFile('private.pem'); if (success = 0) then begin Memo1.Lines.Add(pkey.LastErrorText); Exit; end; pubKey := TPublicKey.Create(Self); pkey.ToPublicKey(pubKey.ControlInterface); success := pubKey.SavePemFile(0,'pubKey.pem'); if (success <> 1) then begin Memo1.Lines.Add(pubKey.LastErrorText); Exit; end; Memo1.Lines.Add('Success.'); end; |
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