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Visual

Smartphones not so smart

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Well, tell your tech geek that I believe it because I know how it works.  :-)  I'm not talking about encryption, which is the conversion of plain text into an encrypted form that is meant to be recovered; I'm talking about cryptographic hashing, which is the replacement of one dataset with another completely- a dataset that represents the original but cannot be converted back to the original.  With SHA-3, currently the strongest cryptographic hashing (or "message digest") algorithm, you can have an example of the hashing process and even know how it works and still not be able to reverse-engineer the original from the hash.  Each character inserted into the hash changes its value dramatically.  For instance, this is the hash of my name as it is rendered on this forum, "david.atwell":

 

813f3630a40bad7abc2b21442781d28efdf9723098992f6e16e80466193597e7

 

If I capitalize just one letter (sending "david.Atwell"), it instead renders as:

 

cc5eeba35e7ca65ad5c59650a1f556d389f4c30d2889a3e643afa11dd6093f6d

 

As you can see, it isn't just the first few characters that change, but ALL of the characters.  And if I double the length:

 

cf69d14c4eceeab3b039531b6335eced1e47d8612ae94b305536ece4e2cae4b2

 

notice that the hashed message stays the exact same length.  And therein lies one of the greatest strengths of the hash: you not only can't tell what the message is with a hash, you can't tell how long it is or even what kind of characters it's made of.

 

As of right now, the only way to take the first hash and recover my name from it is to start with the character null, hash it with this method, then compare the results with the hash you have.  Then try it with the character "1", then "2" and so on.  Once you've reached the last of the 1,112,064 characters in UTF-8 and still haven't discovered the correct message that leads to that hash, start over with null null, then null 1, and so on.  Continue until you've matched the original message.  This is called a brute-force attackand if a computer were looking for a 12-character message (my name) using only A-Z, numbers, and minor punctuation (just one sixteen-thousandth of the full UTF-8 character space) it would take almost 2,218,434,939 (2 BILLION) YEARS for the computer to get through all the combinations.

 

If you break my password 2 billion years from now, I honestly don't care.  :-)

If you break my password 2 billion years from now, I honestly don't care.  :-)

He says they used to tell the public that it would take 300 yrs to defeat wpa. They do it in hours now.

He says a group already has readymade tools that are working around the clock on something called Backtrack.

He says they will probably find another way to defeat it, the same thing happend with WPA encryption. They found a flaw for something about WPS? and can hack it fairly fast. It would be better to not place so much faith on anything.

 

You guys really impress me with your knowledge. It looks like chinese to me. Maybe that's why my eyes are slanted trying to read and understand some of it?

 

Forgot this. The tools above also have the ability to get into 3g, 4g, bluetooth systems and a lot more.

Edited by Visual

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I almost do not want to add this. Ready for a new twist?

 

The problem seems to be the industry wanting to be seeing what everyone is doing at all times. Never disconnected. They claim google glasses will track everything you do and when you arrive somewhere it will show you everyone else in the building who is connected to the ecosystem. It will then show you their whereabouts for the past week or days? This is supposed to be good for you? It's good for google and the other internet moguls.

 

What happens when your married friend arrives at work and google glasses shows everyone that you just spent a week with an unknown female, and not on a business trip as the wife was told? The problems of all of this spying will explode on their users.

 

Here's the mindblow.

 

Computers will become intelligent. The system will likely become completely interconnected and run by these supercomputers because the ignorance of today wants it for making money. They will be connected to power, water and everything else. Metals tarnish and rust. What happens when a computer decides to remove the world's oxygen because that is causing them to rust? They will be handed control of everything, and may use it to decide our fates. Changing oxygen is just a simple problem with chemistry. Thought provoking.

Edited by Visual

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Hmm, now there's an interesting thought: smartphones are the precursors to Skynet. Hmmm.

That's funny.

 

With great power there is a need for great responsibility. [stan Lee]

I see a lot of power, and a greater exibition of irresponsibility.

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Google is the precursor to SkyNet. Android phones are the system's eyes and ears.

They know where you are and what you're doing with your phone/device. They 'harvest' this data in order to be able to 'sell you stuff'. It is not such a great leap to see that their control will naturally become more complete and intrusive.

Still want to patch in your personal data? :lol:

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I think that i am a very good observer. Have you noticed that when it it bad news for smartphones, they call them cell phones?

 

They do a story of more and more people wrecking their car while on a cell phone. It's the same smartphones they were texting on. Another story talks about cell phones may bring down airplanes. It's the same smartphones. They do a good story, and all of a sudden the title in bold writing is SMARTPHONES making your lives better? Now, it's not a cell phone? No wonder so many are hooked on the new industry version of synthetic crack. Makes me wonder how biased your news is. They must be getting a lot of unknown funding from them. The people who they record and sell their information are actually funding the news to get them hooked on this synthetic crack. Sounds like an addict doing tricks to get the next fix. Sad.

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