(Delphi ActiveX) List CSP's (Cryptographic Service Providers) on a Windows System

List the CSP's registered on a Windows system.

Note: This example requires Chilkat v9.5.0.77 or greater.

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_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
csp: TChilkatCsp;
st: TChilkatStringTable;
success: Integer;
i: Integer;
numProviders: Integer;

begin
csp := TChilkatCsp.Create(Self);
st := TChilkatStringTable.Create(Self);

success := csp.GetProviders(st.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(csp.LastErrorText);
    Exit;
  end;

// Iterate over the CSP names..
i := 0;
numProviders := st.Count;
while i < numProviders do
  begin
    Memo1.Lines.Add(IntToStr(i) + ': ' + st.StringAt(i));
    i := i + 1;
  end;

// Sample output:
// 
// 0: Microsoft Base Cryptographic Provider v1.0
// 1: Microsoft Base DSS and Diffie-Hellman Cryptographic Provider
// 2: Microsoft Base DSS Cryptographic Provider
// 3: Microsoft Base Smart Card Crypto Provider
// 4: Microsoft DH SChannel Cryptographic Provider
// 5: Microsoft Enhanced Cryptographic Provider v1.0
// 6: Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider
// 7: Microsoft Enhanced RSA and AES Cryptographic Provider
// 8: Microsoft RSA SChannel Cryptographic Provider
// 9: Microsoft Strong Cryptographic Provider
// 
end;