34C3 - Squeezing a key through a carry bit
- Title:
- 34C3 - Squeezing a key through a carry bit
- Description:
-
more » « less
https://media.ccc.de/c/34c3/34c3-9021-squeezing_a_key_through_a_carry_bit
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.
Filippo Valsorda
https://fahrplan.events.ccc.de/congress/2017/Fahrplan/events/9021.html
- Video Language:
- English
- Duration:
- 50:02
C3Subtitles edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
C3Subtitles edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
Bar Sch edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
Bar Sch edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
Bar Sch edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
harryfuchs edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
apo edited English subtitles for 34C3 - Squeezing a key through a carry bit | ||
Maximilian Marx edited English subtitles for 34C3 - Squeezing a key through a carry bit |