Pascal (Lazarus/Delphi)

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.

Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Pkcs11,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  pkcs11: TPkcs11;
  pin: string;
  userType: Integer;
  json: TJsonObject;
  handle: Integer;
  id: string;
  key_type: string;
  label: string;
  modulus: string;
  exponent: string;
  i: Integer;
  count_i: Integer;

begin
  success := False;

  //  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 := TPkcs11.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.
  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 = False) then
    begin
      WriteLn(pkcs11.LastErrorText);
      Exit;
    end;

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

  json := TJsonObject.Create;
  json.EmitCompact := False;

  success := pkcs11.FindAllKeys('public',json);
  if (success = False) then
    begin
      WriteLn(pkcs11.LastErrorText);
      Exit;
    end;

  WriteLn(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();


  pkcs11.Free;
  json.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.