Unicode C

Get the JWS Payload into BinData

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetPayloadBd, which writes the payload of a loaded JWS as raw bytes into a BinData.

Background. This is used when the payload is binary. In practice, validate the signature before trusting the payload.

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Unicode C

#include <C_CkJwsW.h>
#include <C_CkBinDataW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJwsW jws;
    const wchar_t *jwsCompact;
    HCkBinDataW bdPayload;

    success = FALSE;

    jws = CkJwsW_Create();

    //  Load the JWS compact serialization.
    jwsCompact = L"eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>";
    success = CkJwsW_LoadJws(jws,jwsCompact);
    if (success == FALSE) {
        wprintf(L"%s\n",CkJwsW_lastErrorText(jws));
        CkJwsW_Dispose(jws);
        return;
    }

    //  Get the JWS payload as raw bytes into a BinData.
    bdPayload = CkBinDataW_Create();
    success = CkJwsW_GetPayloadBd(jws,bdPayload);
    if (success == FALSE) {
        wprintf(L"%s\n",CkJwsW_lastErrorText(jws));
        CkJwsW_Dispose(jws);
        CkBinDataW_Dispose(bdPayload);
        return;
    }

    wprintf(L"Payload is %d bytes.\n",CkBinDataW_getNumBytes(bdPayload));


    CkJwsW_Dispose(jws);
    CkBinDataW_Dispose(bdPayload);

    }