For those that don't know, OpenSSH previously used MD5 to secure the private keys. They added the option a while back to use PBKDF2 via PKCS#8, but I rarely see

For those that don't know, OpenSSH previously used MD5 to secure the private keys. They added the option a while back to use PBKDF2 via PKCS#8, but I rarely see it in use in the wild.