Tags » Cryptography

Serious Security: China Internet Network Information Center in TLS certificate blunder

TLS certificates are very important.

So we thought we’d use a story about a recent certificate security blunder to remind you why.

TLS stands for… 1,471 more words


Second-guessing Satoshi: ECDSA and Bitcoin (part II)

There are ways to improve confidence in the correct operation of a blackbox ECDSA implementation that has bee tasked with signing transactions with our private key. 951 more words


Cryptography, Week One

I first proposed this course a little over 2 years ago…and now it’s finally made it into reality.

Which–of course–comes with the drawback that now I actually have to *plan* the course each week. 645 more words


Cracking Codes

Hello and welcome back to another week of undeterred untruthfulness here at Factually Deficient! This week, I am pleased to address a question posed by my friend Tohrinha. 408 more words

Blatant Lies

How To Disable SSLv3


SSL, and its successor TLS, are cryptographic protocols designed to provide communication security over the Internet. In the web realm, they are providing HTTPS, but they are also used for other application protocols. 1,718 more words

How To's

Ransomware - should you pay?

Unfortunately, we’ve had cause to write rather regularly in recent times about ransomware, and what it can do to you.

As straight-talking Naked Security writer John Zorabedian put it recently: 923 more words