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(Delphi ActiveX) 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 ActiveX DLL for Delphi

Chilkat non-ActiveX DLL for Delphi

* The examples here use the ActiveX DLL.

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
pkcs11: TChilkatPkcs11;
success: Integer;
onlyTokensPresent: Integer;
json: TChilkatJsonObject;
slotID: Integer;
readWrite: Integer;

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 := TChilkatPkcs11.Create(Self);

// This is the DLL for the Feitian ePass3003Auto USB token
pkcs11.SharedLibPath := 'ShuttleCsp11_3003.dll';

success := pkcs11.Initialize();
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

// We need to call Discover to get the slot ID.
onlyTokensPresent := 1;
json := TChilkatJsonObject.Create(Self);
success := pkcs11.Discover(onlyTokensPresent,json.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

json.EmitCompact := 0;
Memo1.Lines.Add(json.Emit());

// Sample JSON output..

// {
//   "cryptokiVersion": {
//     "major": 2,
//     "minor": 40
//   },
//   "manufacturerID": "Feitian Technologies Co., Ltd.",
//   "libraryDescription": "EnterSafe PKCS#11 Library.",
//   "libraryVersion": {
//     "major": 1,
//     "minor": 20
//   },
//   "slot": [
//     {
//       "id": 1,
//       "slotDescription": "ES3003 VCR 1",
//       "manufacturerID": "Feitian Technologies Co., Ltd.",
//       "tokenPresent": true,
//       "removableDevice": true,
//       "hardwareSlot": true,
//       "hardwareVersion": {
//         "major": 1,
//         "minor": 0
//       },
//       "firmwareVersion": {
//         "major": 1,
//         "minor": 0
//       },
//       "token": {
//         "label": "ePass3003Auto",
//         "manufacturerID": "Feitian Technologies Co., Ltd.",
//         "model": "ePass3003Auto",
//         "serialNumber": "3C38501007150419",
//         "flags": [
//           "CKF_RNG",
//           "CKF_LOGIN_REQUIRED",
//           "CKF_USER_PIN_INITIALIZED",
//           "CKF_TOKEN_INITIALIZED",
//           "CKF_SECONDARY_AUTHENTICATION",
//           "CKF_USER_PIN_TO_BE_CHANGED"
//         ],
//         "maxSessionCount": 0,
//         "sessionCount": 0,
//         "maxRwSessionCount": 0,
//         "rwSessionCount": 0,
//         "maxPinLen": 16,
//         "minPinLen": 4,
//         "totalPublicMemory": 30000,
//         "freePublicMemory": 27891,
//         "totalPrivateMemory": 34000,
//         "freePrivateMemory": 33768,
//         "hardwareVersion": {
//           "major": 7,
//           "minor": 3
//         },
//         "firmwareVersion": {
//           "major": 7,
//           "minor": 3
//         },
//         "utcTime": "",
//         "mechanism": [
//           "CKM_RSA_PKCS_KEY_PAIR_GEN",
//           "CKM_RSA_PKCS",
//           "CKM_RSA_X_509",
//           "CKM_MD2_RSA_PKCS",
//           "CKM_MD5_RSA_PKCS",
//           "CKM_SHA1_RSA_PKCS",
//           "CKM_RSA_PKCS_OAEP",
//           "CKM_RSA_X9_31_KEY_PAIR_GEN",
//           "CKM_RSA_X9_31",
//           "CKM_SHA1_RSA_X9_31",
//           "CKM_RSA_PKCS_PSS",
//           "CKM_SHA1_RSA_PKCS_PSS",
//           "CKM_SHA256_RSA_PKCS",
//           "CKM_SHA384_RSA_PKCS",
//           "CKM_SHA512_RSA_PKCS",
//           "CKM_SHA256_RSA_PKCS_PSS",
//           "CKM_SHA384_RSA_PKCS_PSS",
//           "CKM_SHA512_RSA_PKCS_PSS",
//           "CKM_RC2_KEY_GEN",
//           "CKM_RC2_ECB",
//           "CKM_RC2_CBC",
//           "CKM_RC4_KEY_GEN",
//           "CKM_RC4",
//           "CKM_DES_KEY_GEN",
//           "CKM_DES_ECB",
//           "CKM_DES_CBC",
//           "CKM_DES3_KEY_GEN",
//           "CKM_DES3_ECB",
//           "CKM_DES3_CBC",
//           "CKM_DES_OFB64",
//           "CKM_DES_OFB8",
//           "CKM_DES_CFB64",
//           "CKM_DES_CFB8",
//           "CKM_MD2",
//           "CKM_MD5",
//           "CKM_SHA_1",
//           "CKM_SHA256",
//           "CKM_SHA224",
//           "CKM_SHA384",
//           "CKM_SHA512",
//           "CKM_GENERIC_SECRET_KEY_GEN",
//           "CKM_AES_KEY_GEN",
//           "CKM_AES_ECB",
//           "CKM_AES_CBC"
//         ],
//         "rsa": {
//           "minKeySize": 512,
//           "maxKeySize": 2048
//         }
//       }
//     }
//   ]
// }

// Make sure we have at least one slot.
if (json.SizeOfArray('slot') <= 0) then
  begin
    Memo1.Lines.Add('No occuplied slots.');
    Exit;
  end;

// Get the ID of the 1st slot
slotID := json.IntOf('slot[0].id');

// Open a read/write session.
readWrite := 1;
success := pkcs11.OpenSession(slotID,readWrite);
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    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 := pkcs11.CloseSession();
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

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

 

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