What encryption algorithm is putty using?
I have setup an AlmaLinux9 server with SSHD. I have also generated a priv+pub key on my workstation, and when I check the algorithm used by my key it shows:
ssh-keygen -l -f myprivatekey.pem
2048 SHA256:p8qjW7xUG6CrB7I0edKIGoQarzHtTgqoHf7…