Home Archives for May 2016

Monday, May 30, 2016

Encryption expert returns to Apple in wake of San Bernardino standoff

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Apple rehires prominent security pro as encryption fight boils


Apple Inc, which has resisted pressure from U.S. law enforcement to unlock encrypted iPhones, this month rehired a top expert in practical cryptography to bring more powerful security features to a wide range of consumer products.

Jon Callas, who co-founded several well-respected secure communications companies including PGP Corp, Silent Circle and Blackphone, rejoined Apple in May, an Apple spokesman said.

Callas has worked for Apple twice before, first from 1995 to 1997 and again from 2009 to 2011. During the second period, he oversaw the upgrades to FileVault in OS X Lion, the first full-disk encryption system to cover the computer's entire home directory. It's unclear what Callas will be working on at Apple, but the move underscores Apple's commitment to disk encryption on its devices, a feature that was at the center of the San Bernardino case earlier this year.
Callas' return to Apple shows how encrypted communications are going mainstream. Silent Circle protects phone calls from eavesdroppers and Blackphone sells a mobile phone that is very difficult to hack. Both companies are small but well regarded.

Apple has said it would continue to increase the security of its products. Companies including Facebook Inc's WhatsApp messaging service have also implemented encryption that makes it harder for law enforcement to access digital information.

"It has always been Jon's dream to bring the most secure products possible to a bigger population," said Mike Janke, who co-founded the secure email company Silent Circle with Callas.





Sunday, May 29, 2016

Time is slower at planet’s core

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The center of Earth is younger than the outer surface


YOUNG AT HEART  A clock placed at the Earth’s center would run slower than one on your nightstand. That means Earth’s core is 2.5 years younger than its surface, new calculations suggest.

Our home planet is young at heart. According to new calculations, Earth’s center is more than two years younger than its surface.
In Einstein’s general theory of relativity, massive objects warp the fabric of spacetime, creating a gravitational pull and slowing time nearby. So a clock placed at Earth’s center will tick ever-so-slightly slower than a clock at its surface. Such time shifts are determined by the gravitational potential, a measure of the amount of work it would take to move an object from one place to another. Since climbing up from Earth’s center would be a struggle against gravity, clocks down deep would run slow relative to surface timepieces.
Over the 4.5 billion years of Earth’s history, the gradual shaving off of fractions of a second adds up to a core that’s 2.5 years younger than the planet’s crust, researchers estimate in the May European Journal of Physics. Theoretical physicist Richard Feynman had suggested in the 1960s that the core was younger, but only by a few days.
The new calculation neglects geological processes, which have a larger impact on the planet’s age. For example, Earth’s core probably formed earlier than its crust. Instead, says study author Ulrik Uggerhøj of Aarhus University in Denmark, the calculation serves as an illustration of gravity’s influence on time — very close to home.



Citations

U. I. Uggerhoj, R. E. Mikkelsen, and J. Faye. The young centre of the Earth. European Journal of Physics. Vol. 37 May 2016, p. 035602. doi: 10.1088/0143-0807/37/3/035602.



You can bring Android phone notifications straight to Windows 10 .

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In the new version of Windows 10 for testers you can bring Android phone notifications straight to your PC and you should update Cortana on your phone and sing in by a Microsoft account on the PC and Cortana on the Android phone.These notifications includes : Missed calls, messages, and other notifications.And this function will come to the standard user in the Anniversary Update this summer.


Saturday, May 28, 2016

An american study links cellphones to cancer

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US government study links cellphones to cancer in rats

The US National Toxicology Program (NTP) has carried out the results from their multi-year, peer-reviewed study investigating a causal link between cellphones and cancer. The $25 million study is the largest experiment to date looking into this link, and what they found is more than a little disconcerting.

In an underground lab, researchers built 21 radiofrequency chambers in which more than 2,500 starcrossed rats and mice lived for varying periods of time over the course of two years. Wireless technologies under the microscope for the purposes of this study include GSM and CDMA at 900 megahertz and 1900 megahertz. Test subjects were exposed to these forms of radiation for 9 hours per day in alternating 10-minute intervals of exposure and non-exposure. It should be noted that this is a higher degree of exposure than humans experience with their devices on the regular.

The results for the mice study have not yet been released, but a cancer association became clear in male rats. Interestingly, similar results were not found in the female test subjects, but those exposed to cellphone radiation while in utero had lower birth weights. The types of tumors male rats suffered were gliomas (brain tumors) and schwannomas (tumors of the heart). The NTP reports that the correlation, though slight, definitely appears to be causal. Strangely, the male rats who were exposed to radiation actually had a higher survival rate than the control rats that were not exposed.
Given the widespread global usage of mobile communications among users of all ages, even a very small increase in the incidence of disease resulting from exposure to [cellphone radiation] could have broad implications for public health.
Grains of salt all around, though, because animal experiments do not necessarily have a direct correlation with biological effects in the human body. Nevertheless, it will no longer be possible for people to dismissively say that there’s no risk at all. As the project’s former lead Ron Melnick said .


Source : National Toxicology Program

Samsung Galaxy C5 a lot like the iPhone 6

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For now, Samsung’s C5 is only available in China before the official release date which is 2016, June 6 .
  • 5.2-inch Super AMOLED full HD display
  • Snapdragon 617 SoC
  • Octa-core 1.5 GHz Cortex-A53
  • 4GB of RAM
  • 32\64GB of storage, with 128GB capacity microSD slot
  • 16MP rear camera, 8MP front-facing camera
The Galaxy C5 is retailing at $366 for 64 GB storage 
Image of C5 from the sides
Image of Iphone 6 from the sides

Image of C5 from the Front
Image of Iphone 6 form the front
Image of C5 from the back
Image of Iphone 6 form the back



Wednesday, May 25, 2016

How to root your android phone and install Custom Recovery ( Samsung , Nexus , HTC and Sony )

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1- Samsung : 
In Samsung there are many ways to root your phone


- KingoRoot (The easiest way) :




It is very easy as you can download the app on your PC ,then connect your phone to the PC or you can download KingoRoot apk on your mobile then click on root and wait .

Then download TWRP Manger Ftom Here or Here 


Make sure that :
  • Make sure your device is powered ON.
  • At least 50% battery level
  • USB Cable (the original one recommended)
  • Enable USB Debugging on your device.
    •  Settings > About Phone > Build number > Tap 7 times Settings > Developer Options > USB Debugging
Video tutorial 



-Odin ;





Odin is the best and the most stable way to root your phone and its not complicated you can just connect your phone to the PC and open in the download mode ,then connect it to your PC and grab the Root file and the Custom Recovery file in PDA

How to find the Root file and the Custom Recovery :

You can search on xda or on Google



How to Enter Download mode :



How to use Odin :



Make sure that :
  • Make sure your device is in Download mode
  • At least 50% battery level
  • USB Cable (the original one recommended)
  • Enable USB Debugging on your device.
    •  Settings > About Phone > Build number > Tap 7 times Settings > Developer Options > USB Debugging

Video tutorial

2- Nexus :

To Root Nexus you Should Unlock the phone ,then flash a Recovery,then Root your phone






These links are from XDA


 3- HTC :
To Root HTC you Should Unlock the phone , then flash a Recovery , then Root your phone

 First : You should install ADB , Fastboot and drivers from Here 
Second : You should unlock the bootloader from Here
How to Unlock the bootloader Video tutorial 
Third : You should install Custom Recovery
How to install Custom Recovery 
Fourth : You can install the Root from the Root File you can find the Root file for your device from xda or on Google





Make sure that :
  • Make sure your device is in Fastboot mode
  • At least 50% battery level
  • USB Cable (the original one recommended)
  • Enable USB Debugging on your device.
    •  Settings > About Phone > Build number > Tap 7 times Settings > Developer Options > USB Debugging



4- Sony :

First : You need to Unlock the bootloader

How to Unlock the bootloader 
Second : Now you can Root your phone

-KingoRoot :

  • Ensure your “unknown sources” opening on your Sony
  •     
  • Free download KingoRoot.apk on your Sony C6603.
  • Install and launch KingoRoot.
  • Press "One Click Root" on the main interface.
  • Wait a few seconds until the result appear.
  • If failed, try a few more times. So that can improve your root success rates.
  • If still failed, please go to KingoRoot Android PC Version, which has a higher success rate
Then download TWRP Manger Ftom Here or Here 
OR

- You can flash Root File
You can search about the Root fileonxda or on Google
Then download TWRP Manger Ftom Here or Here 




Make sure that :
  • At least 50% battery level
  • USB Cable (the original one recommended)
  • Enable USB Debugging on your device.
    •  Settings > About Phone > Build number > Tap 7 times Settings > Developer Options > USB Debugging




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