ETSI TR 103 965 V1.1.1 CYBER; Quantum-Safe Cryptography (QSC); Impact of Quantum Computing on Cryptographic Security Proofs

Reviews how an attacker with a cryptographically relevant quantum computer affects the security proofs of cryptographic protocols that run on classical hardware. For each affected system it classifies the situation: a quantum-aware replacement proof exists, possibly with lower security; security is still expected without a new proof; a break is expected though no concrete attack is known; or a concrete quantum attack already defeats it.

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