31 Dec '17, 6am

Ever wonder what smartphones, tablets, and computers look like in North Korea? #34C3 #CCC

Ever wonder what smartphones, tablets, and computers look like in North Korea? #34C3 #CCC

North Korea places a lot of emphasis on education. Phones and tablets include a number of PDFs for textbooks. You can learn Java, Linux, and other topics. The PDF files are encrypted and locked to a specific device though. [Will] and [Gabe] found that a common library used by the ezPDF Android had been changed. Someone in North Korea had actually gone in and modified the binary to hook a decryption algorithm in the library’s file handling code. The encryption system itself is not too difficult to defeat — a 512 byte XOR pad is hardcoded at the end of the library. The device’s MAC address is used to calculate an offset into that XOR pad and decrypt the file.

Full article: https://hackaday.com/2017/12/30/34c3-north-koreas-consume...

Tweets

34C3: #Hacking the Nintendo Switch

hackaday.com 31 Dec '17, 6am

There’s a natural order to the world of game console hacking: every time a manufacturer releases a new game console they w...

34C3: Hacking the Nintendo Switch

hackaday.com 30 Dec '17, 6am

There’s a natural order to the world of game console hacking: every time a manufacturer releases a new game console they w...

34C3: Microphone Bugs

34C3: Microphone Bugs

hackaday.com 01 Jan '18, 4pm

Inspiration can come from many places. When [Veronica Valeros] and [Sebastian Garcia] from the MatesLab Hackerspace in Arg...

34C3: Ultimate Apollo Guidance Computer Talk

34C3: Ultimate Apollo Guidance Computer Talk

hackaday.com 29 Dec '17, 6am

While it might not be as exciting as the Saturn V rocket itself, the Apollo Guidance Computer (AGC) was one of the most im...

34C3: The First Day is a Doozy

34C3: The First Day is a Doozy

hackaday.com 27 Dec '17, 9pm

It’s 5 pm, the sun is slowly setting on the Leipzig conference center, and although we’re only halfway through the first d...

North Carolina Reverses Building Code Changes

greenbuildingadvisor.com 30 Dec '17, 8am

Last June, the North Carolina agency responsible for making changes in state building codes voted in tougher energy effici...

South Korea Holds Hong Kong Ship over North Korean Oil

South Korea Holds Hong Kong Ship over North Kor...

military.com 30 Dec '17, 12am

SEOUL, South Korea — South Korea said Friday that it was holding a Hong Kong-flagged ship and its crew members for alleged...

34C3: Fitbit Sniffing and Firmware Hacking

34C3: Fitbit Sniffing and Firmware Hacking

hackaday.com 30 Dec '17, 12am

If you walked into a gym and asked to sniff exercise equipment you would get some mighty strange looks. If you tell hacker...

Hackaday at 34C3

Hackaday at 34C3

hackaday.com 24 Dec '17, 5pm

It’s that time of year. While the rest of the Christmas-celebrating world sits around and plays with the toys that they go...

China Spotted Illegally Selling Oil to North Korea, Report Says

China Spotted Illegally Selling Oil to North Ko...

military.com 28 Dec '17, 10pm

U.S. spy satellites reportedly captured photos of Chinese ships illegally selling oil to North Korean boats some 30 times ...

How North Korea's hacking strategy is related to its missile tests

How North Korea's hacking strategy is related t...

tnp.sg 27 Dec '17, 12am

Pyongyang is ramping up its cyber warfare. Last week, a White House official blamed North Korea for the WannaCry attack in...

34C3: Using Your Car As Video Game Controller

34C3: Using Your Car As Video Game Controller

hackaday.com 30 Dec '17, 9pm

[P1kachu] used a RasPi and an OBD-II adapter to access the car’s CAN bus and begins the presentation with a quick overview...

AMD K8 and K10 microcode hacks demonstrated at #34C3 are sobering; undetectable malware

AMD K8 and K10 microcode hacks demonstrated at ...

hackaday.com 29 Dec '17, 12am

Inside every modern CPU since the Intel Pentium fdiv bug, assembly instructions aren’t a one-to-one mapping to what the CP...

North Korea preparing to launch satellite: Repo...

channelnewsasia.com 26 Dec '17, 6am

SEOUL: North Korea is preparing to launch a satellite, a Seoul newspaper said Tuesday (Dec 26), as outside observers warn ...