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Squeezing a key through a carry bit (2017) [video]

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 s...

Playlists:'34c3' videos starting here/ audio/ related events 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. by Chaos Computer Club e.V –– About –– Apps –– Imprint –– Privacy –– c3voc

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