SSH Public Key Authentication: Transitioning from ssh-rsa to SHA-2 signatures in OpenSSH 8.8+
Signature Algorithm Deprecation OpenSSH 8.8 and later versions have disabled the ssh-rsa signature algorithm by default. This change targets the use of SHA-1 for signatures during the authentication handshake, though the underlying RSA key pair remains valid if a more secure signature scheme is employed. Compatibility Constraints Systems maintaining legacy c
ssh