Squeezing a key through a carry bit (34c3)

from Chaos Computer Club - 34C3: TUWAT (low quality mp4) · host Filippo Valsorda

The Go implementation of the P-256 elliptic curve had a small bug due to a misplaced carry bit affecting less than 0.00000003% of field subtraction operations. We show how to build a full practical key recovery attack on top of it, capable of targeting JSON Web Encryption. about this event: https://fahrplan.events.ccc.de/congress/2017/Fahrplan/events/9021.html

Episode metadata supplied by the publisher feed · Published Dec 26, 2017

Embed this episode

Attribution link and audio player

Ready to play

Squeezing a key through a carry bit (34c3)

0:00 50:01

1×

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

Share this episode

Similar Episodes

No similar episodes found.

Similar Podcasts

Double Dispatch Josh Hale A podcast made with passion from a Computer Scientist that wants to share what he's learning with the World 🌎 AND hear what the world says back! Listen as software developer Josh sends and receives knowledge learning more about the amazing things you can do with computers.

Frequently Asked Questions

How long is this episode of Chaos Computer Club - 34C3: TUWAT (low quality mp4)?

This episode is 50 minutes long.

When was this Chaos Computer Club - 34C3: TUWAT (low quality mp4) episode published?

This episode was published on December 26, 2017.

Can I download this Chaos Computer Club - 34C3: TUWAT (low quality mp4) episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.

URL copied to clipboard!