OpenSC: https://github.com/OpenSC/OpenSC


```shell
ssh-keygen -D /Library/OpenSC/lib/opensc-pkcs11.so
ssh -I /Library/OpenSC/lib/opensc-pkcs11.so root@example.com
```

```
alias ssh-keygeni='ssh-keygen -D /Library/OpenSC/lib/opensc-pkcs11.so'
alias sshi='ssh -I /Library/OpenSC/lib/opensc-pkcs11.so root@example.com'
alias sshif='ssh -o 'ForwardAgent yes' -I /Library/OpenSC/lib/opensc-pkcs11.so root@example.com'
```

`~/.ssh/config`

```plain
PKCS11Provider /Library/OpenSC/lib/opensc-pkcs11.so
```

<br>

# Reference
1. https://github.com/tpm2-software/tpm2-pkcs11/blob/master/docs/SSH.md
1. https://github.com/ThomasHabets/simple-tpm-pk11
1. https://ubuntu.com/server/docs/smart-card-authentication-with-ssh