Unicode C++

Get a JWS Unprotected Header

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetUnprotectedH, which copies the optional unprotected header of a signature into a JsonObject.

Background. The unprotected header is present only in JSON serialization forms that carry one. It is not covered by the signature.

Chilkat Unicode C++ Downloads

Download Chilkat for Unicode C++

Unicode C++

#include <CkJwsW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkJwsW jws;

    //  Load the JWS compact serialization.
    const wchar_t *jwsCompact = L"eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>";
    success = jws.LoadJws(jwsCompact);
    if (success == false) {
        wprintf(L"%s\n",jws.lastErrorText());
        return;
    }

    //  Copy the optional unprotected header of signature 0 into a JsonObject.  This applies to JWS in a
    //  JSON serialization form that carries an unprotected header.
    CkJsonObjectW json;
    success = jws.GetUnprotectedH(0,json);
    if (success == false) {
        wprintf(L"%s\n",jws.lastErrorText());
        return;
    }

    json.put_EmitCompact(false);
    wprintf(L"%s\n",json.emit());
    }