(Delphi DLL) 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.

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, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
pkcs11: HCkPkcs11;
pin: PWideChar;
userType: Integer;
success: Boolean;
json: HCkJsonObject;
handle: Integer;
id: PWideChar;
key_type: PWideChar;
label: PWideChar;
modulus: PWideChar;
exponent: PWideChar;
i: Integer;
count_i: 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 := CkPkcs11_Create();

// 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.
CkPkcs11_putSharedLibPath(pkcs11,'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 := CkPkcs11_QuickSession(pkcs11,userType,pin);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPkcs11__lastErrorText(pkcs11));
    Exit;
  end;

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

json := CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,False);

success := CkPkcs11_FindAllKeys(pkcs11,'public',json);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPkcs11__lastErrorText(pkcs11));
    Exit;
  end;

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

// 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 := CkJsonObject_SizeOfArray(json,'keys');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    handle := CkJsonObject_IntOf(json,'keys[i].handle');
    id := CkJsonObject__stringOf(json,'keys[i].id');
    key_type := CkJsonObject__stringOf(json,'keys[i].key_type');
    label := CkJsonObject__stringOf(json,'keys[i].label');
    modulus := CkJsonObject__stringOf(json,'keys[i].modulus');
    exponent := CkJsonObject__stringOf(json,'keys[i].exponent');
    i := i + 1;
  end;

CkPkcs11_Logout(pkcs11);
CkPkcs11_CloseSession(pkcs11);

CkPkcs11_Dispose(pkcs11);
CkJsonObject_Dispose(json);

end;