Encrypt a JWE with a Password (PBES2)

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetPassword, which sets the PBES2 password for a recipient. The example uses PBES2-HS256+A128KW key management with AES-128-GCM content encryption.

#include <CkJweW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkJweW jwe;

    //  Protected header: PBES2 password-based key management with AES-128-GCM content encryption.
    CkJsonObjectW header;
    header.UpdateString(L"alg",L"PBES2-HS256+A128KW");
    header.UpdateString(L"enc",L"A128GCM");
    success = jwe.SetProtectedHeader(header);
    if (success == false) {
        wprintf(L"%s\n",jwe.lastErrorText());
        return;
    }

    //  Set the PBES2 password for recipient 0.  The password should come from a secure source rather than
    //  being hard-coded.
    const wchar_t *password = L"myPassword";
    success = jwe.SetPassword(0,password);
    if (success == false) {
        wprintf(L"%s\n",jwe.lastErrorText());
        return;
    }

    const wchar_t *jweCompact = jwe.encrypt(L"This is the secret content.",L"utf-8");
    if (jwe.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",jwe.lastErrorText());
        return;
    }

    wprintf(L"%s\n",jweCompact);
    }