Posts from July 2018
Hacking the Kobo Clara HD – 5: Setting up SSH
Last time, we set up telnet on the Clara HD and set up the USB network interface. Now we will extend this to enable SSH on the device.
Unfortunately, unlike telnet, the Clara HD does not ship with any SSH binaries, so we will… »
Hacking the Kobo Clara HD – 4.3: Automatically switching between USB networking and file transfer
Last time, we set up the Clara HD to automatically start USB networking when connected. We will now set it up to automatically stop USB networking when file transfer mode is activated in the main interface.
Hacking the Kobo Clara HD – 4.2: Automatically starting telnet over USB on connect
Last time, we set up networking over USB on the Clara HD, but this required us to manually start and stop the network. We will now configure the Clara HD to automatically start USB networking when connected over USB.
The Clara HD uses udev… »
Hacking the Kobo Clara HD – 4.1: Telnet over USB
Last time, we gained root telnet access to the Clara HD over WiFi; however, the connection can be quite temperamental. We will now use this to set up a network connection over USB, allowing for telnet access over a secure USB channel.
Set up… »
Hacking the Kobo Clara HD – 3: Gaining root telnet access
Last time, we dipped our toes into the waters of the Kobo Clara HD's USB interface. As it turns out, there is a lot more we can do with this simple interface. The Clara HD runs Linux, and we can easily gain root telnet… »
Hacking the Kobo Clara HD – 2: Bypassing registration/sign in
Last time, we imaged the internal storage of the Kobo Clara HD (and possibly expanded the internal storage capacity). Now we can begin setting up the device. We soon find, however, that the Clara HD requires us to log in with a Kobo account.… »
Hacking the Kobo Clara HD – 1: Hacking the internal microSD storage
The Kobo Clara HD is the latest e-reader from Canadian ebook vendor Rakuten Kobo, sporting a 6-inch 300 ppi e-ink touchscreen, and 8 GB of internal memory.
The Clara HD, like its predecessors in the Kobo range, internally runs Linux, and is surprisingly amenable… »
Guide: Using Okta Verify with third-party TOTP (Google Authenticator, FreeOTP, etc.)
Okta is an identity management and single sign-on cloud provider. Okta supports multi-factor authentication through multiple mechanisms, but at my site, only the proprietary Okta Verify smartphone app was supported.
Thankfully, Okta Verify operates via the ‘industry standard Time-Based, One-Time Password Algorithm (TOTP)’,… »
Questionable crypto - Neal Asher's ‘Depature’
Last time, we investigated some questionable design choices in the TLS-like AF protocol from Autonomous. Today's unfortunate victim is a TOTP-like monstrosity from Neal Asher's The Departure. Near the end of the novel, the main character, Saul, commandeers a network of robots… »