Page 2 - New Google checksum algorithm

What's confusing is that it wasn't made any more complex...just a double hash. The conspiracy theorist in me says that the change was made specifically to be cracked -- perhaps they wanted to see who did it, or how quickly it is implemented in the available tools.

It doesn't matter a whole lot really; I can't say that I've ever used the tools anyhow, and seem to do quite well without them.

Cygnus

[QUOTE=Cygnus]
It doesn't matter a whole lot really; I can't say that I've ever used the tools anyhow, and seem to do quite well without them.[QUOTE]

totally agree.. I used a couple tools, should say I played with some. No Dice, Google farted around faster than I could payout with stuff.

Eric

Eric I think there's a thershold for signatures. I'm pretty sure that a mod will be removing yours soon. The thershold is there for a reason... once you reach 100 posts then you will be able to have a signature.

Is the checksum algo anything to do with the DocID ?

Is it's change indicative of the conjecture that the DocID was exhausted and so they changed it

just thoughts.....

Some good points mentioned here. One thing I would point out is that SEO's and crackers represent a very small portion of the internet search community.

Ask 99% of search users what is warez or SEO and they will look like a deer in the head lights

True, G doesn't necessarily want to put a lot of effort into making SEO lives miserable (just the occasional jab will do). But their main job is supposed to be to make a good search engine. And, despite all the criticism and cursing even: G is still a good SE.

Just out of curiosity: what do you do when you want to find something (non-SEO-specific, I mean) on the internet? What do you use as your start/home page? Oi, I feel a poll coming up... ;)


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Coincidence: question is now covered in this thread

hmm, prweaver aint loading 4 me, just a great screen, right click shows info about flash player, nothing more :/

Hmmm, I disagree. With the amount of searching SEO orgs do, I know they account for way more than 1%. Many scraping programs are programmed by SEOs so I'm counting all that search traffic too.

The new algorithm was now also posted as C code at Mobileread. And Alex mentioned that he was going to publish the PHP code based on the Assembler snippets tonight.

The new checksum algo. (PHP) is posted at
http://google-blog.dirson.com/post.new/0155/
The source code is at:
http://google.dirson.com/pagerank_checksum_php.txt

Looking at the algorithm, it looks the same with some additional number crunching. The old (pre-2.0.114 Toolbar) algorithm still works, but I don't know for how long.

Once you have it you can query GG for the PR. That is (after removing spaces):
http://www.google.com/ search?client=navclient-auto&ch=[checksum here] &features=Rank&q=info:http://www.example.com/

For example,
http://www.google.com/search?client=navclient-auto&ch=64175082837&features=Rank&q=info:http://www.example.com/

The PR is the 3rd (last) field returned from the URL.