Delphi ActiveX

Set the JWS Payload from a StringBuilder

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.SetPayloadSb, which sets the payload to be signed from a StringBuilder.

Background. JWS (JSON Web Signature) integrity-protects a payload with a signature or MAC. The header alg names the algorithm; this example uses HMAC-SHA256 (HS256) with a symmetric MAC key.

Chilkat Delphi ActiveX Downloads

Download Chilkat for Delphi ActiveX

Delphi ActiveX

var
success: Integer;
jws: TChilkatJws;
sbPayload: TChilkatStringBuilder;
bIncludeBom: Integer;

begin
success := 0;

jws := TChilkatJws.Create(Self);

//  Set the payload from a StringBuilder.
sbPayload := TChilkatStringBuilder.Create(Self);
sbPayload.Append('This is the content to sign.');

bIncludeBom := 0;
success := jws.SetPayloadSb(sbPayload.ControlInterface,'utf-8',bIncludeBom);
if (success = 0) then
  begin
    Memo1.Lines.Add(jws.LastErrorText);
    Exit;
  end;
Memo1.Lines.Add('Payload set.');