突然、SSHはUbuntu 20.04のインストールで動作を停止しました。私のopensshインストールは次のとおりです。OpenSSH_8.8p1、OpenSSL 1.1.1m 2021年12月14日
リモートコンピュータに接続するためにsshコマンドを実行すると、次のメッセージが表示されます。
...
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering public key: /home/angela/.ssh/id_ecdsa ECDSA SHA256:k9vZVEz605zKffb1cHPfjOQ12AtpBHbnWOGnOudqghY agent
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey
debug1: Offering public key: /home/angela/.ssh/id_rsa RSA SHA256:bcigijI079uwOJXihyXOFq+sNwzJFYO+T9N2wCVhCIc agent
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey
debug1: Trying private key: /home/angela/.ssh/id_ecdsa_sk
debug1: Trying private key: /home/angela/.ssh/id_ed25519
debug1: Trying private key: /home/angela/.ssh/id_ed25519_sk
debug1: Trying private key: /home/angela/.ssh/id_xmss
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
angela@...: Permission denied (publickey).
id_ecdsa_skを作成しようとすると：
~/openssh/bin/ssh-keygen -vvvv -t ecdsa-sk
Generating public/private ecdsa-sk key pair.
You may need to touch your authenticator to authorize key generation.
debug3: start_helper: started pid=173933
debug3: ssh_msg_send: type 5
debug3: ssh_msg_recv entering
debug1: start_helper: starting /home/angela/openssh/libexec/ssh-sk-helper
debug1: sshsk_enroll: provider "internal", device "(null)", application "ssh:", userid "(null)", flags 0x01, challenge len 0
debug1: sshsk_enroll: using random challenge
debug1: pick_first_device: fido_dev_info_manifest bad len 0
debug1: ssh_sk_enroll: pick_first_device failed
debug1: sshsk_enroll: provider "internal" returned failure -4
debug1: ssh-sk-helper: Enrollment failed: device not found
debug1: ssh-sk-helper: reply len 8
debug3: ssh_msg_send: type 5
debug1: client_converse: helper returned error -60
debug3: reap_helper: pid=173933
Key enrollment failed: device not found
Brewを介してopensshを再インストールしてみましたが、何も変更されませんでした。誰もがこの問題を解決するために正しい方向を教えてもらえますか？ありがとうございます。