Fingerprint extracts and returns the hash and randomart of the public key associated with the specified private key.

ExtractPublicKey extracts and returns the public key from the specified private key, along with its fingerprint hashes.

KeyGen generates a new keypair with ssh-keygen, optionally overriding the default type and size.

KeyBitsValue is an OptionalValue allowing specification of the -b argument to ssh-keygen.

KeyTypeValue is an OptionalValue allowing specification of the -t argument to ssh-keygen.

KeyRing is an abstraction providing access to a managed SSH key pair.

OptionalValue is an extension of pflag.Value that remembers if it has been set.