Category: Cryptography

Sharing a secret

Making a backup of a secret can be tricky. For instance: I have a lot of passwords stored in an encrypted file, which I can edit through my password manager. The data in that file is both very sensitive and crucial. I currently have some offline backups (which are updated... Read more

Securing communications

We use cryptographic techniques daily without really knowing how they work, so I'm going to try and explain some basic concepts. Let's start with Wikipedia's current definition: Cryptography or cryptology is the practice and study of techniques for secure communication in the presence of third parties called adversaries. — Wikipedia's... Read more

Switching to a password manager

Before I learned about password managers, less than a year ago, having all my passwords on the same place sounded like a really bad idea—if someone managed to get access to "that place", they could log in to all my accounts, to my online identity. As I learned about security... Read more

Upgrading to privacy-conscious providers

I have been reading a lot about decentralization and not depending too much in one company in the past six months and I realized how much I relied on Google: my email, all my files, contacts, calendars, pictures... Most of my data was stored on their servers. This was inconvenient... Read more