Kireet,

The most common signature issues that we (superfeedr) tend to see is:
- extra invisible characters
- encoding trouble

Also, if you see any similar issue with a Superfeedr hosted hub, I'm more
than happy to help out.

Maybe these can help?

Thanks,


On Sun, May 26, 2013 at 4:31 AM, Kireet <[email protected]> wrote:

> I have implemented some PuSH subscription code and usually it works well.
> But on about 1% of the pushes I get a signature mismatch, especially with
> this feed, http://feeds.feedburner.com/TechCrunch (wordpress). I have had
> occasional issues with the google hub also, e.g.
> http://looksgoodworkswell.blogspot.com/feeds/posts/default
>
> My code is below (java). It's a bit hard to debug, I captured the content
> bytes as a hex string and ran my signature algorithm on it and it matched
> what my code was doing, but was different than the value produced by the
> hub. Beyond that I am not sure what to try next.
>
>         Mac mac = Mac.getInstance("HmacSHA1");
>
>         String secret = tokenize(feedUri);
>
>         mac.init(new SecretKeySpec(secret.getBytes(), "HmacSHA1"));
>
>         byte[] digest = mac.doFinal(payload);
>
>         BigInteger hash = new BigInteger(1, digest);
>
>         String calcSignature = hash.toString(16);
>
>         if ((calcSignature.length() % 2) != 0) {
>
>             calcSignature = "0" + calcSignature;
>
>         }
>
>         return calcSignature;
>
>
>  --
>
> ---
> You received this message because you are subscribed to the Google Groups
> "Pubsubhubbub" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> For more options, visit https://groups.google.com/groups/opt_out.
>
>
>

-- 

--- 
You received this message because you are subscribed to the Google Groups 
"Pubsubhubbub" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.


Reply via email to