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Delphi DLL Examples

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(Delphi DLL) PKCS11 Sessions

See more PKCS11 Examples

Sample code showing how to open a PKCS11 session and then later close it.

Note: This example requires Chilkat v9.5.0.88 or later.

Chilkat for Delphi Downloads

Chilkat non-ActiveX DLL for Delphi

Chilkat ActiveX DLL for Delphi

* The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Pkcs11;

...

procedure TForm1.Button1Click(Sender: TObject);
var
pkcs11: HCkPkcs11;
success: Boolean;
slotID: Integer;
readWrite: Boolean;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

pkcs11 := CkPkcs11_Create();

// Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
// or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
CkPkcs11_putSharedLibPath(pkcs11,'ShuttleCsp11_3003.dll');

// Starting in Chilkat v9.5.0.96, there is a shorter way to establish
// a PKCS11 session with login.
// The QuickSession method was added in v9.5.0.96 and is the equivalent of 
// calling Initialize, OpenSession, and Login.  

success := CkPkcs11_Initialize(pkcs11);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPkcs11__lastErrorText(pkcs11));
    Exit;
  end;

// Pass -1 for the slotID to open a session on the first non-empty slot.
slotID := -1;

// Open a read/write session.
readWrite := True;
success := CkPkcs11_OpenSession(pkcs11,slotID,readWrite);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPkcs11__lastErrorText(pkcs11));
    Exit;
  end;

// Do whatever is needed...
// ...
// ...

// When finished, close the session.
// It is important to close the session (memory leaks will occur if the session is not properly closed).

success := CkPkcs11_CloseSession(pkcs11);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPkcs11__lastErrorText(pkcs11));
    Exit;
  end;

Memo1.Lines.Add('PKCS11 session successfully opened and closed.');

CkPkcs11_Dispose(pkcs11);

end;

 

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