As a Bitcoiner, you’re going to need a secure way to communicate privately, without relying on a company to encrypt your data for you. For example, freely available methods with end-to-end encryption ...

Putting sensitive data in email messages or cloud storage should give you the heebie-jeebies, but a good dose of cryptography can give you peace of mind. Pretty Good ...

Connect to Amazon EC2 with a private key using PuTTY and Pageant Your email has been sent Nick Hardiman shows you how to set up a secure connection to an Amazon EC2 machine using PuTTY and Pageant to ...

The Secure Shell — SSH — allows you to send secure, encrypted, communications between computers that is nearly impossible to crack. Here's how to use it in macOS. Before personal computers, people ...

In our last episode of Private I, I explained the basics of public-key (PK) cryptography, a way to scramble messages in a way that only someone possessing a particular key can decrypt, without that ...

Private keys act like passwords, essential for accessing and controlling cryptocurrency. Misplacement or theft of a private key results in irretrievable loss of associated crypto. Storing private keys ...

Public key authentication with SSH is possible with WinSCP, but it requires some work to set up. Chad Perrin details the steps. WinSCP is an open source tool for Windows that allows files to be safely ...

When I began programming microcontrollers in 2003, I had picked up the Atmel STK-500 and learned assembler for their ATtiny and ATmega lines. At the time I thought it was great – the emulator and ...

Hot on the heels of Bambu Lab’s announcement that it would be locking down all network access to its X1-series 3D printers with new firmware, the X.509 certificate and private key from the Bambu ...