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OpenSSH 10.0 Released To Better Fend Off Attacks By Quantum Computers
OpenSSH 10.0 is now available for this widely-used SSH client/server implementation
OpenSSH 10.0 drops support for the weak DSA signature algorithm that had been deprecated already for the past decade. The SSH daemon (SSHD) also removes code responsible for the user-authentication phase of the protocol to a new "sshd-auth" binary to better segregate the pre-authentication attack surface. For better protections in a quantum computing world, OpenSSH 10.0 now uses the hybrid post-quantum algorithm mlkem768x25519-sha256 by default for key agreement.
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