I’m not sure, but I’d be surprised if the secret key leaves the SK. If you remove it, SSH doesn’t work. `-K` configures a pointer so SSH knows where to look to

I’m not sure, but I’d be surprised if the secret key leaves the SK. If you remove it, SSH doesn’t work. `-K` configures a pointer so SSH knows where to look to find the private key (on the SK). It is the same as non-resident keys, but stores the private key pointer on the SK as well.