Sign a JWS with an HMAC Key from BinData

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.SetMacKeyBd, which sets the symmetric MAC key for a signature from the raw bytes in a BinData.

bool success = false;

Chilkat.Jws jws = new Chilkat.Jws();

//  Protected header specifying HMAC-SHA256.
Chilkat.JsonObject header = new Chilkat.JsonObject();
header.UpdateString("alg","HS256");
success = jws.SetProtectedHeader(0,header);
if (success == false) {
    Debug.WriteLine(jws.LastErrorText);
    return;
}

bool bIncludeBom = false;
success = jws.SetPayload("This is the content to sign.","utf-8",bIncludeBom);
if (success == false) {
    Debug.WriteLine(jws.LastErrorText);
    return;
}

//  Set the symmetric MAC key for signature 0 from the raw bytes in a BinData.  In production, obtain
//  the key material from a secure source.
Chilkat.BinData bdKey = new Chilkat.BinData();
bdKey.AppendEncoded("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXowMTIzNDU=","base64");
success = jws.SetMacKeyBd(0,bdKey);
if (success == false) {
    Debug.WriteLine(jws.LastErrorText);
    return;
}

string jwsCompact = jws.CreateJws();
if (jws.LastMethodSuccess == false) {
    Debug.WriteLine(jws.LastErrorText);
    return;
}

Debug.WriteLine(jwsCompact);