OAuth.debugOut("SBS", sbs);
byte[] text = sbs.getBytes(OAuth.ENCODING);
return base64Encode(mac.doFinal(text)).trim();
} catch (GeneralSecurityException e) {
throw new OAuthMessageSignerException(e);
} catch (UnsupportedEncodingException e) {
throw new OAuthMessageSignerException(e);
}
}