Enum KnownHosts

pub enum KnownHosts {
    NotFound,
    Unknown,
    Ok,
    Changed,
    Other,
}

Indicates the state of known-host matching, an important set to detect and avoid MITM attacks.

Variants

NotFound

The known host file does not exist. The host is thus unknown. File will be created if host key is accepted.

Unknown

The server is unknown. User should confirm the public key hash is correct.

Ok

The server is known and has not changed.

Changed

The server key has changed. Either you are under attack or the administrator changed the key. You HAVE to warn the user about a possible attack.

Other

The server gave use a key of a type while we had an other type recorded. It is a possible attack.

Trait Implementations

impl Clone for KnownHosts

fn clone(&self) -> KnownHosts

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for KnownHosts

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for KnownHosts

fn eq(&self, other: &KnownHosts) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for KnownHosts

impl Eq for KnownHosts

impl StructuralPartialEq for KnownHosts