func HashHostname(hostname string) string
HashHostname hashes the given hostname. The hostname is not normalized before hashing.
func Line(addresses []string, key ssh.PublicKey) string
Line returns a line to add append to the known_hosts files.
func New(files ...string) (ssh.HostKeyCallback, error)
New creates a host key callback from the given OpenSSH host key files. The returned callback is for use in ssh.ClientConfig.HostKeyCallback. By preference, the key check operates on the hostname if available, i.e. if a server changes its IP address, the host key check will still succeed, even though a record of the new IP address is not available.
func Normalize(address string) string
Normalize normalizes an address into the form used in known_hosts
KeyError is returned if we did not find the key in the host key database, or there was a mismatch. Typically, in batch applications, this should be interpreted as failure. Interactive applications can offer an interactive prompt to the user.
type KeyError struct {
// Want holds the accepted host keys. For each key algorithm,
// there can be one hostkey. If Want is empty, the host is
// unknown. If Want is non-empty, there was a mismatch, which
// can signify a MITM attack.
Want []KnownKey
}
func (u *KeyError) Error() string
KnownKey represents a key declared in a known_hosts file.
type KnownKey struct {
Key ssh.PublicKey
Filename string
Line int
}
func (k *KnownKey) String() string
RevokedError is returned if we found a key that was revoked.
type RevokedError struct {
Revoked KnownKey
}
func (r *RevokedError) Error() string