(Delphi DLL) Load a CSR and Examine the Contents

Demonstrates how to load a Certificate Signing Request (CSR) and examine the contents.

Note: This example requires Chilkat v9.5.0.65 or greater.

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, Csr, FileAccess;

...

procedure TForm1.Button1Click(Sender: TObject);
var
csr: HCkCsr;
fac: HCkFileAccess;
csrPem: PWideChar;
success: Boolean;

begin
// Note: Requires Chilkat v9.5.0.65 or greater.

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

csr := CkCsr_Create();

// Load a CSR PEM file.  The file should contain content that looks like this:
// 
// 	-----BEGIN CERTIFICATE REQUEST-----
// 	MIIC6jCCAdICAQAwgaQxITAfBgNVBAMMGG15c3ViZG9tYWluLm15ZG9tYWluLmNv
// 	bTELMAkGA1UEBhMCR0IxDjAMBgNVBAgMBVlvcmtzMQ0wCwYDVQQHDARZb3JrMSEw
// 	HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQxCzAJBgNVBAsMAklUMSMw
// 	IQYJKoZIhvcNAQkBFhRzdXBwb3J0QG15ZG9tYWluLmNvbTCCASIwDQYJKoZIhvcN
// 	AQEBBQADggEPADCCAQoCggEBALnQ0un/wF8whk+gPuiAlf3qvx14jgAOV6Erm6EB
// 	H7WACPCpnKcm/8KP+7uoPiwRQaENhMeCgf45vcivl2p6aAn/spLXyEkXyw2d8wFb
// 	YYAGRkiz4Xf7ASJiKuwcOtORz+sSDzgtdfokHfXU1cYeFE2yQhSdLUY5fMn425+g
// 	KoEEsRSjSDe6AKru4+4iGNrLKd8pB9IA5/jOE139IkWlB9r5fEPD5bUTsgqXk9eb
// 	68O0gc712V2eZK07N24lDmFC4bIMTD4csDWocR5hFHXj7NX7c8sOBDcpEb9mPIk4
// 	elxubnhkfnjhOi4J3lDHcT/0ALnbLhf9LnaiKqs+5VcVZvECAwEAAaAAMA0GCSqG
// 	SIb3DQEBBQUAA4IBAQC0AETLIcP3foh5nbu2hVFS8uCUNZ5hEIR1eXmYZmZoBQq2
// 	26ZAoT4CZwixlggC+n7WvAXJ5Pzxpl4wLV4loTiQzaKPX1w0ERo5ZRwLy0n56oG2
// 	6QG+WTViT1C8rlgtVwkCFNOXr0kSSRs8FdaPllqKxK1hxYSL7zwNpumsk39F2cDt
// 	vhcekvH0V3BuGrQFm3dKN/0azW6GOod9+Vq4VzSyOe3kp15oxLBsZOFOu/REujcw
// 	Tzu2jt1asQKUm60CZ9wNHpYepR0Ww40uP1slbehEaFDa6V8b60/tlHHmBbJ4/fy5
// 	hJnYCvjzFz4O9VtT+JtP9ldRHWV3KpZ8ne3AjD+F
// 	-----END CERTIFICATE REQUEST-----

fac := CkFileAccess_Create();
csrPem := CkFileAccess__readEntireTextFile(fac,'qa_data/csr/csr1.pem','utf-8');

success := CkCsr_LoadCsrPem(csr,csrPem);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkCsr__lastErrorText(csr));
    Exit;
  end;

// Examine the contents.
// If the CSR does not contain a field, the property will
// contain an empty string.

Memo1.Lines.Add('Common Name: ' + CkCsr__commonName(csr));

// Country Name (2 letter code)
Memo1.Lines.Add('Country: ' + CkCsr__country(csr));

// State or Province Name (full name)
Memo1.Lines.Add('State: ' + CkCsr__state(csr));

// Locality Name (eg, city)
Memo1.Lines.Add('Locality: ' + CkCsr__locality(csr));

// Organization Name (eg, company)
Memo1.Lines.Add('Company: ' + CkCsr__company(csr));

// Organizational Unit Name (eg, secion/division)
Memo1.Lines.Add('Company Division: ' + CkCsr__companyDivision(csr));

Memo1.Lines.Add('Email Address: ' + CkCsr__emailAddress(csr));

CkCsr_Dispose(csr);
CkFileAccess_Dispose(fac);

end;