Sample code for 30+ languages & platforms
Delphi ActiveX Requires Chilkat v11.0.0+

Base64url Encoding

See more Encryption Examples

Base64url encoding is identical to base64 encoding except it uses non-reserved URL characters (e.g. '–' is used instead of '+', and '_' is used instead of '/') and it omits the padding characters.

Chilkat Delphi ActiveX Downloads

Delphi ActiveX
var
success: Integer;
pkey: TPrivateKey;
rsa: TChilkatRsa;
strData: WideString;
strSig: WideString;

begin
success := 0;

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

pkey := TPrivateKey.Create(Self);
rsa := TChilkatRsa.Create(Self);
rsa.GenKey(1024,pkey.ControlInterface);
rsa.UsePrivateKey(pkey.ControlInterface);

strData := 'This is the string to be signed.';

//  Get the signature in base64url
rsa.EncodingMode := 'base64url';
strSig := rsa.SignStringENC(strData,'sha256');

Memo1.Lines.Add(strSig);