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(Delphi DLL) Load PKCS12 / PFX and Access ContentsLoads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates. 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, Pfx, PrivateKey, Cert; ... procedure TForm1.Button1Click(Sender: TObject); var success: Boolean; pfx: HCkPfx; numPrivateKeys: Integer; privKey: HCkPrivateKey; i: Integer; cert: HCkCert; numCerts: Integer; begin success := False; pfx := CkPfx_Create(); // Load the PKCS12 from a file success := CkPfx_LoadPfxFile(pfx,'/someDir/my.p12','pfxFilePassword'); if (success = False) then begin Memo1.Lines.Add(CkPfx__lastErrorText(pfx)); Exit; end; numPrivateKeys := CkPfx_getNumPrivateKeys(pfx); privKey := CkPrivateKey_Create(); Memo1.Lines.Add('Private Keys:'); i := 0; while i < numPrivateKeys do begin CkPfx_PrivateKeyAt(pfx,i,privKey); // Do something with the private key ... i := i + 1; end; cert := CkCert_Create(); numCerts := CkPfx_getNumCerts(pfx); Memo1.Lines.Add('Certs:'); i := 0; while i < numCerts do begin CkPfx_CertAt(pfx,i,cert); Memo1.Lines.Add(CkCert__subjectDN(cert)); // If the certificate has a private key (one of the private keys within the PFX) // then it can also be obtained via the certificate object: if (CkCert_HasPrivateKey(cert) = True) then begin Memo1.Lines.Add('Has private key!'); success := CkCert_GetPrivateKey(cert,privKey); // ... end; i := i + 1; end; CkPfx_Dispose(pfx); CkPrivateKey_Dispose(privKey); CkCert_Dispose(cert); end; |
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