Qby Wentzel
All Algorithms

X448

Quantum Unsafe

Key Exchange algorithm

This algorithm will be broken by a cryptographically relevant quantum computer. Migration is recommended.

Algorithm Details

Category

Key Exchange

Quantum Safety

Quantum Unsafe

Key Lengths (bits)

448

Known Vulnerabilities

  • Shor's algorithm (ECDLP)

Migration Recommendation

Recommended post-quantum replacement:

Migrate to ML-KEM-768

Notes

Higher-security Montgomery curve key exchange. Quantum-vulnerable via ECDLP.

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