Timing Attack

Overview Affected versions of this package are vulnerable to Timing Attack in the ML-KEM Poly.toMsg, Poly.compressPoly, and PolyVec.compressPolyVec routines. An attacker can recover a long-term private key by sending ciphertexts and measuring the time taken by repeated decapsulation operations th...

PT-2024-27807 · Kyber · Kyber

Name of the Vulnerable Software and Affected Versions: Kyber reference implementation versions prior to 9b8d306 Description: The issue is related to a timing side channel that allows attackers to recover an ML-KEM 512 secret key in minutes. This occurs because the poly frommsg function in poly.c...