OpenSSH 10.0 Introduces Default Post-Quantum Key Exchange Algorithm

OpenSSH 10.0 has been officially released, introducing a number of protocol changes and security upgrades, including a key enhancement for post-quantum security. The release makes the mlkem768x25519-sha256 algorithm the default for key agreement. This hybrid algorithm combines ML-KEM (a NIST-standardized key encapsulation mechanism) with the classical X25519 elliptic curve method, offering quantum-resistant properties while maintaining […]

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