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(Delphi ActiveX) X509Certificate GetCertHash SHA256See more Certificates ExamplesShows how to get the SHA256 hash of a certificate.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var cert: TChilkatCert; success: Integer; bdDer: TChilkatBinData; certHash: WideString; begin cert := TChilkatCert.Create(Self); // Load a certificate object with a certificate. // The certificate object could have come from any source, // or perhaps was obtained from another Chilkat function. // The source does not matter. What matters is that we have // a cert object loaded with the certificate.. success := cert.LoadFromFile('qa_data/certs/cert_test123.cer'); if (success <> 1) then begin Memo1.Lines.Add(cert.LastErrorText); Exit; end; // Get the binary DER of the certificae, and compute the SHA256 hash: bdDer := TChilkatBinData.Create(Self); cert.ExportCertDerBd(bdDer.ControlInterface); // Get the base64 representation of the SHA256 hash. certHash := bdDer.GetHash('sha256','base64'); Memo1.Lines.Add('Certificate hash in base64 = ' + certHash); end; |
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