Delphi ActiveX

PKCS11 Find all Public Keys

See more PKCS11 Examples

Demonstrates how to list all public keys on an HSM.

Note: This example requires Chilkat v9.5.0.96 or later.

Delphi ActiveX

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;
pkcs11: TChilkatPkcs11;
pin: WideString;
userType: Integer;
json: TChilkatJsonObject;
handle: Integer;
id: WideString;
key_type: WideString;
label: WideString;
modulus: WideString;
exponent: WideString;
i: Integer;
count_i: Integer;

begin
success := 0;

// 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);

// Use the PKCS11 driver (.dll, .so, .dylib) for your particular HSM.
// (The format of the path will change with the operating system.  Obviously, "C:/" is not used on non-Windows systems.
pkcs11.SharedLibPath := 'C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll';

// Establish a logged-on session. (We can typically skip the login by passing an empty PIN if only needing to list public keys)
// Use your actual PIN here, or an empty string to skip login.
pin := '0000';
userType := 1;
success := pkcs11.QuickSession(userType,pin);
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

// Note: To find public keys, we need a session, but it doesn't necessarily need to be logged-on.

json := TChilkatJsonObject.Create(Self);
json.EmitCompact := 0;

success := pkcs11.FindAllKeys('public',json.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(json.Emit());

// Sample output, with parsing code below..

// {
//   "keys": [
//     {
//       "handle": 74842125,
//       "id": "0001020304",
//       "key_type": "RSA",
//       "label": "Chilkat Software, Inc.",
//       "modulus": "twVRf6O ... Rwa1ebFY0=",
//       "exponent": "AAEAAQ=="
//     },
//     {
//       "handle": 18415630,
//       "id": "010203040A0B0C0D0E0F",
//       "key_type": "RSA",
//       "label": "ehealth private key",
//       "modulus": "qdKjhOwA1 ... A4MtX8BYgHmLw==",
//       "exponent": "AAEAAQ=="
//     },
//     {
//       "handle": 3735567,
//       "id": "D531B4B8F308489DA58350596178845973A4562E",
//       "key_type": "RSA",
//       "label": "d531b4b8-f308-489d-a583-505961788459",
//       "modulus": "r0MmXRKBP ... HAd1kUPsNyzcQ==",
//       "exponent": "AAEAAQ=="
//     },
//     {
//       "handle": 238092304,
//       "id": "0A0B0C0D01020304",
//       "key_type": "RSA",
//       "label": "MySshKey",
//       "modulus": "ykFHcfBFOq ... rfXBK/6g9t+S6UjJ1kUQ==",
//       "exponent": "AAEAAQ=="
//     },
//     {
//       "handle": 49348625,
//       "id": "48656C6C6F",
//       "key_type": "RSA",
//       "label": "2048-bit RSA key for testing",
//       "modulus": "vReVaJzXZYIOB ... kamD/8iNvhAKlKbQ==",
//       "exponent": "AAEAAQ=="
//     }
//   ]
// }

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

i := 0;
count_i := json.SizeOfArray('keys');
while i < count_i do
  begin
    json.I := i;
    handle := json.IntOf('keys[i].handle');
    id := json.StringOf('keys[i].id');
    key_type := json.StringOf('keys[i].key_type');
    label := json.StringOf('keys[i].label');
    modulus := json.StringOf('keys[i].modulus');
    exponent := json.StringOf('keys[i].exponent');
    i := i + 1;
  end;

pkcs11.Logout();
pkcs11.CloseSession();
end;