(Unicode C++) Base64url Encoding

Base64url encoding is identical to base64 encoding except it uses non-reserved URL characters (e.g. '–' is used instead of '+', and '_' is used instead of '/') and it omits the padding characters.

Note: This example requires Chilkat v11.0.0 or greater.

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#include <CkPrivateKeyW.h>
#include <CkRsaW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkPrivateKeyW pkey;
    CkRsaW rsa;
    rsa.GenKey(1024,pkey);
    rsa.UsePrivateKey(pkey);

    const wchar_t *strData = L"This is the string to be signed.";

    // Get the signature in base64url
    rsa.put_EncodingMode(L"base64url");
    const wchar_t *strSig = rsa.signStringENC(strData,L"sha256");

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