February 25, 2024

Silk Road, Lavabit, and the Limits of Crypto

Yesterday we saw two stories that illustrate the limits of cryptography as a shield against government. In San Francisco, police arrested a man alleged to be Dread Pirate Roberts (DPR), the operator of online drug market Silk Road. And in Alexandria, Virginia, a court unsealed documents revealing the tussle between the government and secure email […]

Senate Judiciary Testimony: FISA Oversight

I testified today at a Senate Judiciary committee hearing on Oversight of the Foreign Intelligence Surveillance Act. Here is the written testimony I submitted.

The Debian OpenSSL Bug: Backdoor or Security Accident?

On Monday, Ed wrote about Software Transparency, the idea that software is more resistant to intentional backdoors (and unintentional security vulnerabilities) if the process used to create it is transparent. Elements of software transparency include the availability of source code and the ability to read or contribute to a project’s issue tracker or internal developer […]

Software Transparency

Thanks to the recent NSA leaks, people are more worried than ever that their software might have backdoors. If you don’t believe that the software vendor can resist a backdoor request, the onus is on you to look for a backdoor. What you want is software transparency. Transparency of this type is a much-touted advantage […]

On Security Backdoors

I wrote Monday about revelations that the NSA might have been inserting backdoors into security standards. Today I want to talk through two cases where the NSA has been accused of backdooring standards, and use these cases to differentiate between two types of backdoors.